Duncan and Margaret Miller Charitable
Duncan and Margaret Miller Charitable is a private foundation, based in Miami, FL. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $330K in total assets. In 2025, it awarded 3 grants totaling $150K. Net investment income was $151K.
Duncan and Margaret Miller Charitable at a glance
In short: Duncan and Margaret Miller Charitable gave $150K across 3 grants in 2025 (avg $50K), mostly in Florida. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $150,000
- -50.0% vs 2024
- Grants made (2025)
- 3
- +50.0% vs 2024
- Average grant
- $50,000
- -66.7% vs 2024
- Median grant
- $45,000
- Total assets
- $330,192
- -79.1% vs 2024
- Primary geography
- Florida (80% 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 Duncan and Margaret Miller Charitable funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was St Leo Catholic Church ($75K). Together the top 3 received $150K.
Grant Size Distribution
8 grants across all recorded years
The most common grant size was in the $100–250K range: 4 grants of 8 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
Cities
How Duncan and Margaret Miller Charitable gives
- Giving grew 50% from 2022 to 2025. Method
- In 2025 it paid out 96% 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
From 2020 to 2025, annual grant giving ranged from $4K (2023) to $300K (2024). In 2025 it made 3 grants totaling $150K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| St Leo Catholic Church Bonita Springs, FL | Support | $75,000 |
| Mater Divinae Misericordiae Ave Maria, FL | Support | $45,000 |
| Smile Train New York, NY | Support | $30,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $330,192 | $151,189 | $150,150 | $150,000 | 3 | $150,000 | $151,189 | $155,456 |
| 2024 | $1,580,727 | $283,174 | $300,150 | $300,000 | 2 | $300,000 | $283,174 | — |
| 2023 | $1,599,672 | $68,126 | $4,583 | $4,000 | 1 | $4,000 | $67,976 | $112,248 |
| 2022 | $1,536,129 | $71,292 | $100,150 | $100,000 | 1 | $100,000 | $31,142 | $118,074 |
| 2021 | $1,564,987 | $47,245 | $100,180 | $100,000 | 1 | $100,000 | $47,245 | — |
| 2020 | $1,617,922 | $1,532,922 | $15,000 | $15,000 | 1 | — | $2,837 | — |
| 2019 | $100,000 | $100,000 | — | — | — | — | — | — |
Under IRS private-foundation payout rules, Duncan and Margaret Miller Charitable reported a distributable amount of $155K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Duncan and Margaret Miller Charitable is led by Margaret Miller, President since 2024 (on filings since 2019); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Margaret Miller
President
Director → President, 2024
On filings since 2019
0.1 hrs/week
No compensation reported
Alex S. Binstock CPA
Director
On filings since 2021
0.1 hrs/week
No compensation reported
Mary C. Frain
Director
On filings since 2024
No compensation reported
Former officers (5)
- Former: Jonas B. Weatherbie Esq. (2021–2023) — Director
- Former: Daniel J. Brown CPA (2022–2023) — Director
- Former: Enrico Delgado (2019–2020) — Director
- Former: John S. Bohatch Esq. (2019–2020) — Director
- Former: Katalina Peneranda Esq. (2019–2020) — Director
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.
Frequently asked questions about Duncan and Margaret Miller Charitable
How much does Duncan and Margaret Miller Charitable give each year?
Duncan and Margaret Miller Charitable gave $150K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $300K across 2 grants.
What is Duncan and Margaret Miller Charitable's typical grant size?
Duncan and Margaret Miller Charitable's median grant in 2025 was $45,000, and its average grant was $50,000, across 3 grants on its 2025 IRS Form 990-PF.
Where does Duncan and Margaret Miller Charitable give grants?
Duncan and Margaret Miller Charitable gives mostly in Florida: 80% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (20%).
Does Duncan and Margaret Miller Charitable give general operating support?
Not in 2025: none of the 3 grants with a stated purpose on Duncan and Margaret Miller Charitable's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Support" (3 grants).
How large is Duncan and Margaret Miller Charitable?
Duncan and Margaret Miller Charitable reported $330K in total assets on its 2025 IRS Form 990-PF. It paid out $150K in qualifying distributions that year, against a required minimum of $155K (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 Duncan and Margaret Miller Charitable's EIN?
Duncan and Margaret Miller Charitable's EIN (Employer Identification Number) is 32-0597117. 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
- Updated Form 990-PF for fiscal year 2019 (received by the IRS August 31, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)
- IRS filings on file for fiscal years 2019–2024
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