Mark and Mary Ann Miller Family Foundation

Private foundation · Grantmaker Houston, TX EIN: 47-4925537

Mark and Mary Ann Miller is a private foundation based in Houston, Texas. It made 15 grants totaling $140,000 in 2024 to charitable organizations, including organizations in Texas, Montana, and Maryland.

Mark and Mary Ann Miller Family Foundation at a glance

In short: Mark and Mary Ann Miller Family Foundation gave $140K across 15 grants in 2024 (avg $9K), mostly in Texas. 60% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$140,000
+2.9% vs 2023
Grants made (2024)
15
+7.1% vs 2023
Average grant
$9,333
-3.9% vs 2023
Median grant
$2,500
Total assets
$2,819,345
+3.5% vs 2023
New grantees (estimate)
60% first-time grantees (9 of 15, 2024; small sample)
Primary geography
Texas (87% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Mark and Mary Ann Miller Family Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.

Contact

Mailing address: 3433 Westheimer Rd 901, Houston, TX 77027
Phone: (832) 216-2527

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Mark and Mary Ann Miller Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Christ the King Presbyterian Church: $66KChrist the King PresbyterianChurch$66KContemporary Arts Museum Houston: $28KContemporary Arts MuseumHouston$28KGlacier National Park Concervancy: $18KGlacier National ParkConcervancy$18KRiver Oaks Chamber Orchestra: $8KRiver Oaks Chamber Orchestra$8KCamp Blessing: $5KCamp Blessing$5KSpringSpirit Inc: $5KSpringSpirit Inc$5KHealthier Texas (It's Time Texas Inc): $3KHealthier Texas (It's TimeTexas Inc)$3KHouston Freedmen's Town Conservancy Inc: $3KHouston Freedmen's TownConservancy Inc$3KBuffalo Bayou Partnership Inc: $2KBuffalo Bayou Partnership Inc$2KBreakthrough T1D - Southern Texas Chapter: $1KBreakthrough T1D - SouthernTexas Chapter$1K

The largest 2024 recipient was Christ the King Presbyterian Church ($66K). Together the top 10 received $137K.

Grant Size Distribution

66 grants across all recorded years

61<$50K5$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 61 grants of 66 (92%).

Geographic Focus

Where this funder awards grants

In 2024, 87% of grant dollars went to recipients in Texas, 12% to recipients in Montana, and 1% to recipients in Maryland.

Grant Distribution by State

7states

Share of 2024 grant dollars across all 15 itemized grants.

Cities

HoustonAustinBrenhamColumbia FallsCookevilleDallasWashingtonCharlotteChicagoColombia FallsHagerstown

Is Mark and Mary Ann Miller Family Foundation open to new grantees?

60%

first-time grantees, 2024

In 2024, 9 of 15 grantees (60%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $10K; repeat grants $8K. How we count

Medians: $1K first-time, $5K repeat.

  • 33% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−10%). Method
  • In 2024 it paid out 102% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K19 grants2019 10 grants2020 11 grants2021 16 grants2022 14 grants2023 15 grants2024

From 2019 to 2024, annual grant giving ranged from $100K (2020) to $165K (2019). In 2024 it made 15 grants totaling $140K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Christ the King Presbyterian Church Houston, TXGeneral support$65,550
Contemporary Arts Museum Houston Houston, TXTeen Council ($5,000), Bayard Property ($5,000), and general support ($17,850)$27,850
Glacier National Park Concervancy Colombia Falls, MTTrail of the Cedars accessibility$17,500
River Oaks Chamber Orchestra Houston, TXGeneral support$7,500
Camp Blessing Brenham, TXGeneral support$5,000
SpringSpirit Inc Houston, TXGeneral support$5,000
Healthier Texas (It's Time Texas Inc) Austin, TXGeneral support$2,500
Houston Freedmen's Town Conservancy Inc Houston, TXGeneral support$2,500
Buffalo Bayou Partnership Inc Houston, TXGeneral support$2,100
Breakthrough T1D - Southern Texas Chapter Hagerstown, MDGeneral support$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$2,819,345$263,592$169,505$140,00015$146,575$241,435$143,210
2023$2,725,258$57,656$160,854$136,00014$139,945$105,171$144,171
2022$2,829,024$177,414$187,823$160,00016$163,575$155,150$138,697
2021$2,904,980$12,957$179,108$155,00011$155,000—$163,189
2020$3,082,278$110,873$120,469$100,00010—$92,022$151,247
2019$3,093,183$178,348$185,754$165,00019—$159,706$161,185

Under IRS private-foundation payout rules, Mark and Mary Ann Miller Family Foundation reported a distributable amount of $143K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The available information does not state a mission for the foundation. Its 2024 grants went to organizations whose work includes classical music, youth sports and mentoring, historic preservation, public spaces, disability services, and food access. For example, River Oaks Chamber Orchestra describes its mission as shaping the future of classical music by energizing, modernizing, and personalizing the concert experience. Houston Freedmen’s Town Conservancy says it seeks to restore Houston Freedmen’s Town as a heritage district, while Second Servings of Houston describes its work as providing underserved populations access to nutritious food that would otherwise go to waste.

Grantmaking

In 2024, the foundation awarded 15 grants totaling $140,000. Grant amounts ranged from $500 to $65,550, with a median grant of $2,500.

The largest 2024 grants included $65,550 to Christ the King Presbyterian Church for general support; $27,850 to Contemporary Arts Museum Houston for its Teen Council, Bayard Property, and general support; and $17,500 to Glacier National Park Conservancy for Trail of the Cedars accessibility. Other awards included $7,500 to River Oaks Chamber Orchestra, $5,000 each to Camp Blessing and SpringSpirit, and $2,500 each to Healthier Texas and Houston Freedmen’s Town Conservancy. Buffalo Bayou Partnership received $2,100. Easter Seals of Greater Houston received $1,000, as did the PTSD Foundation of America.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Mark S Miller as President, James L Goettee Jr as Vice President, and Mary Ann Miller as Secretary/Treasurer.

Mark and Mary Ann Miller Family Foundation is led by Mark S Miller, President on every filing since 2019; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Mark S Miller

    President

    On filings since 2019

    1 hr/week

    No compensation reported

  • James L Goettee Jr.

    Vice President

    On filings since 2019

    1 hr/week

    No compensation reported

  • Mary Ann Miller

    Secretary & Treasurer

    On filings since 2019

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2019–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Mark and Mary Ann Miller Family Foundation

How much does Mark and Mary Ann Miller Family Foundation give each year?

Mark and Mary Ann Miller Family Foundation gave $140K across 15 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $136K across 14 grants.

What is Mark and Mary Ann Miller Family Foundation's typical grant size?

Mark and Mary Ann Miller Family Foundation's median grant in 2024 was $2,500, and its average grant was $9,333, across 15 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Mark and Mary Ann Miller Family Foundation that year got $10K on average.

Where does Mark and Mary Ann Miller Family Foundation give grants?

Mark and Mary Ann Miller Family Foundation gives mostly in Texas: 87% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Montana (13%). The most frequent recipient cities were Houston, TX (11 grants).

Does Mark and Mary Ann Miller Family Foundation give general operating support?

Yes: 93% of Mark and Mary Ann Miller Family Foundation's 2024 grants with a stated purpose (14 of 15) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Mark and Mary Ann Miller Family Foundation's largest grantees?

Mark and Mary Ann Miller Family Foundation's largest 2024 grantees include Christ the King Presbyterian Church ($65,550), Contemporary Arts Museum Houston ($27,850) and Glacier National Park Concervancy ($17,500), according to its 2024 IRS Form 990-PF. Together they received 79% of its itemized 2024 grant dollars.

How large is Mark and Mary Ann Miller Family Foundation?

Mark and Mary Ann Miller Family Foundation reported $2.8M in total assets on its 2024 IRS Form 990-PF. It paid out $147K in qualifying distributions that year, against a required minimum of $143K (roughly 5% of its investment assets).

What does Mark and Mary Ann Miller Family Foundation fund?

The available information does not state a mission for the foundation. Its 2024 grants went to organizations whose work includes classical music, youth sports and mentoring, historic preservation, public spaces, disability services, and food access. See mission & focus areas ↑

How do I apply for a grant from Mark and Mary Ann Miller Family Foundation?

The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Mark and Mary Ann Miller Family Foundation's EIN?

Mark and Mary Ann Miller Family Foundation's EIN (Employer Identification Number) is 47-4925537. IRS Form 990 filing data is available on this page for 2019–2024.

Does Mark and Mary Ann Miller Family Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS May 19, 2020)
  2. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Mark and Mary Ann Miller Family Foundation funder profile. GrantGraph. Retrieved October 6, 2026, from https://grantable.co/funders/mark-and-mary-ann-miller-family-foundation-morg_5193b062688442dbb921afec382b7946

BibTeX
@misc{grantable_474925537_2026,
  author       = {{Grantable}},
  title        = {{Mark and Mary Ann Miller Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/mark-and-mary-ann-miller-family-foundation-morg_5193b062688442dbb921afec382b7946},
  note         = {Accessed 2026-10-06. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Mark and Mary Ann Miller Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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