Martha Mack Lewis Foundation

Private foundation · Grantmaker Pittsburgh, PA EIN: 23-2936195

Martha Mack Lewis Foundation is a private foundation, based in Pittsburgh, PA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $1.0M in total assets. In 2025, it awarded 8 grants totaling $60K. Net investment income was $67K.

Martha Mack Lewis Foundation at a glance

In short: Martha Mack Lewis Foundation gave $60K across 8 grants in 2025 (avg $8K), mostly in Pennsylvania. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$60,000
+40.5% vs 2024
Grants made (2025)
8
+14.3% vs 2024
Average grant
$7,500
+23.0% vs 2024
Median grant
$5,000
Total assets
$1,038,387
-0.2% vs 2024
Primary geography
Pennsylvania (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Martha Mack Lewis Foundation funds

How this funder distributes its grants

Top Recipients

Top 8 recipients in 2025

Kiskiminetas Springs School: $25KKiskiminetas Springs School$25KThe Children's Home of Pittsburgh: $5KThe Children's Home ofPittsburgh$5KPittsburgh Symphony Orchestra: $5KPittsburgh Symphony Orchestra$5KPittsburgh Opera Inc: $5KPittsburgh Opera Inc$5KVeteran's Place: $5KVeteran's Place$5KPittsburgh Youth Symphony Orchestra: $5KPittsburgh Youth SymphonyOrchestra$5KFolds of Honor: $5KFolds of Honor$5KPittsburgh Youth Leadership: $5KPittsburgh Youth Leadership$5K

The largest 2025 recipient was Kiskiminetas Springs School ($25K). Together the top 8 received $60K.

Grant Size Distribution

40 grants across all recorded years

40<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 40 grants of 40 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of 2025 grant dollars across all 8 itemized grants.

Cities

PittsburghWexfordGettysburgSaltsburgDelawareNew AlbanyMcKeesportOak BrookStaten IslandTyrone

How Martha Mack Lewis Foundation gives

  • Giving held roughly steady from 2022 to 2025 (−2%). Method
  • In 2025 it paid out 98% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K$80K6 grants2019 6 grants2020 6 grants2021 9 grants2022 10 grants2023 7 grants2024 8 grants2025

From 2019 to 2025, annual grant giving ranged from $43K (2024) to $61K (2022). In 2025 it made 8 grants totaling $60K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Kiskiminetas Springs School Saltsburg, PAScholarship Fund$25,000
The Children's Home of Pittsburgh Pittsburgh, PAProgram Support$5,000
Pittsburgh Symphony Orchestra Pittsburgh, PALearning and Engagement$5,000
Pittsburgh Opera Inc Pittsburgh, PAExpanding Access to Opera$5,000
Veteran's Place Pittsburgh, PAGeneral Operating$5,000
Pittsburgh Youth Symphony Orchestra Pittsburgh, PAScholarships and Student$5,000
Folds of Honor Wexford, PAEducational Scholarships$5,000
Pittsburgh Youth Leadership Pittsburgh, PABicycle Trips$5,000
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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
2025$1,038,387$77,417$79,716$60,0008$65,267$67,483$66,295
2024$1,040,685$82,216$61,689$42,7007$50,844$72,927$62,812
2023$1,019,830$74,630$76,829$60,00010$68,313$65,630$57,092
2022$1,022,280$-33,623$79,743$61,0009$68,705$19,086$61,088
2021$1,135,100$72,866$70,930$52,5006$60,111$62,167$68,400
2020$1,133,652$37,562$70,333$53,5006—$21,988$60,184
2019$1,166,966$46,649$84,799$55,5006—$38,454$61,391

Under IRS private-foundation payout rules, Martha Mack Lewis Foundation reported a distributable amount of $66K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Martha Mack Lewis Foundation's 2025 filing lists 3 officers; 1 of 3 officers listed in 2025 is compensated.

Officers on the 2025 filing

  • John C. Harmon Esquire

    Co-Trustee

    On filings since 2019

    1 hr/week

    $3K (2019) → $4K (2025)

  • Laurie Garzarelli

    Co-Trustee

    On filings since 2019

    1 hr/week

    No compensation reported

  • Emily Linder

    Co-Trustee

    New on the 2025 filing

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Emily McClelland (2019–2024) — Co-Trustee

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

John C Harmon Esquire — Co-Trustee: $4KJohn C Harmon EsquireCo-Trustee$4K

The highest reported compensation on the 2025 filing was $4K, to John C Harmon Esquire (Co-Trustee).

Frequently asked questions about Martha Mack Lewis Foundation

How much does Martha Mack Lewis Foundation give each year?

Martha Mack Lewis Foundation gave $60K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $43K across 7 grants.

What is Martha Mack Lewis Foundation's typical grant size?

Martha Mack Lewis Foundation's median grant in 2025 was $5,000, and its average grant was $7,500, across 8 grants on its 2025 IRS Form 990-PF.

Where does Martha Mack Lewis Foundation give grants?

Martha Mack Lewis Foundation gives mostly in Pennsylvania: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Pittsburgh, PA (6 grants).

Does Martha Mack Lewis Foundation give general operating support?

Yes: 13% of Martha Mack Lewis Foundation's 2025 grants with a stated purpose (1 of 8) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Martha Mack Lewis Foundation's largest grantees?

Martha Mack Lewis Foundation's largest 2025 grantees include Kiskiminetas Springs School ($25,000), The Children's Home of Pittsburgh ($5,000) and Pittsburgh Symphony Orchestra ($5,000), according to its 2025 IRS Form 990-PF. Together they received 58% of its itemized 2025 grant dollars.

How large is Martha Mack Lewis Foundation?

Martha Mack Lewis Foundation reported $1.0M in total assets on its 2025 IRS Form 990-PF. It paid out $65K in qualifying distributions that year, against a required minimum of $66K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is Martha Mack Lewis Foundation's EIN?

Martha Mack Lewis Foundation's EIN (Employer Identification Number) is 23-2936195. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS April 30, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Martha Mack Lewis 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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