Grants paid by The Carlos & Marguerite Mason Fdn
EIN 58-1996431 · Saint Louis, MO · Form 990-PF, Part XV · NTEE T20
The Carlos & Marguerite Mason Fdn of Saint Louis, MO (EIN 58-1996431) reported 36 grants paid totaling $20,052,014 to 17 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$20,052,014
36 grants
Recipients
17
distinct organizations
Tax years
2020–2024
4 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 10 | $4,652,014 | — |
| 2022 | 9 | $5,700,000 | — |
| 2023 | 7 | $4,600,000 | — |
| 2024 | 10 | $5,100,000 | — |
Top recipients
The 17 recipients receiving the most from The Carlos & Marguerite Mason Fdn, by grants paid, out of 17 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Georgia Transplant Foundation Inc 58-2075193 | B | Roswell, GA | 4 | $8,250,000 | 2024 |
| Childrens Healthcare of Atlanta Inc | U | Atlanta, GA | 5 | $3,100,000 | 2024 |
| University of Georgia Research Foundatio 58-1353149 | C | Athens, GA | 3 | $2,100,000 | 2024 |
| Emory University | U | Atlanta, GA | 3 | $1,705,000 | 2024 |
| The University of Georgia 58-6043703 | B | Athens, GA | 1 | $953,795 | 2020 |
| Piedmont Healthcare Foundation Inc | U | Atlanta, GA | 1 | $800,000 | 2022 |
| Atlanta Ronald Mcdonald House Charities | U | Atlanta, GA | 1 | $500,000 | 2024 |
| Georgia Health Sciences University Foundation | U | August, GA | 1 | $465,000 | 2020 |
| Angel Flight Soars Inc 58-1702239 | B | Chamblee, GA | 4 | $448,000 | 2024 |
| Georgia Health Sciences | U | August, GA | 1 | $425,000 | 2022 |
| Georgia Health Sciences Library Association 35-2186668 | B | Atlanta, GA | 1 | $325,000 | 2023 |
| Enduring Hearts Inc 46-2665745 | B | Marietta, GA | 3 | $270,000 | 2024 |
| The Georgia Health Sciences Foundation | U | New York, NY | 1 | $250,000 | 2024 |
| Augusta University Foundation Inc 58-6038134 | B | Augusta, GA | 2 | $222,000 | 2024 |
| Augusta University | U | Augusta, GA | 1 | $128,219 | 2020 |
| Atlanta Ronald Mcdonald House | U | Atlanta, GA | 3 | $85,000 | 2023 |
| Jeffrey Campbell Evans Foundation Inc 81-3988359 | B | Ball Ground, GA | 1 | $25,000 | 2020 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 36 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Georgia Transplant Foundation Inc Roswell, GA | B | $2,050,000 | paid | FINANCIAL ASSISTANCE | 202522839349101002 |
| 2024 | University of Georgia Research Foundatio Athens, GA | C | $650,000 | paid | GENERAL SUPPORT | 202522839349101002 |
| 2024 | Atlanta Ronald Mcdonald House Charities Atlanta, GA | U | $500,000 | paid | ADOPT A FAMILY PROGRAM | 202522839349101002 |
| 2024 | Childrens Healthcare of Atlanta Inc Atlanta, GA | U | $500,000 | paid | GENERAL OPERATING | 202522839349101002 |
| 2024 | Emory University Atlanta, GA | U | $400,000 | paid | GENERAL OPERATING | 202522839349101002 |
| 2024 | Childrens Healthcare of Atlanta Atlanta, GA | U | $350,000 | paid | VARIOUS HEALTHCARE PROGRAMS | 202522839349101002 |
| 2024 | The Georgia Health Sciences Foundation New York, NY | U | $250,000 | paid | GENERAL OPERATING | 202522839349101002 |
| 2024 | Angel Flight Soars Inc Chamblee, GA | B | $150,000 | paid | GENERAL SUPPORT | 202522839349101002 |
| 2024 | Augusta University Foundation Inc Augusta, GA | B | $150,000 | paid | GENERAL OPERATING | 202522839349101002 |
| 2024 | Enduring Hearts Inc Marietta, GA | B | $100,000 | paid | GENERAL OPERATING | 202522839349101002 |
| 2023 | Georgia Transplant Foundation Atlanta, GA | C | $2,300,000 | paid | FINANCIAL ASSISTANCE | 202412979349100801 |
| 2023 | Children's Healthcare of Atlanta Atlanta, GA | U | $1,100,000 | paid | VARIOUS HEALTHCARE PROGRAMS | 202412979349100801 |
| 2023 | University of Georgia Research Foundatio Athens, GA | C | $650,000 | paid | GENERAL SUPPORT | 202412979349100801 |
| 2023 | Georgia Health Sciences Library Association Atlanta, GA | B | $325,000 | paid | GENERAL OPERATING | 202412979349100801 |
| 2023 | Angel Flight Soars Inc Chamblee, GA | B | $123,000 | paid | GENERAL SUPPORT | 202412979349100801 |
| 2023 | Augusta University Foundation Inc Augusta, GA | B | $72,000 | paid | GENERAL OPERATING | 202412979349100801 |
| 2023 | Atlanta Ronald Mcdonald House Atlanta, GA | U | $30,000 | paid | ADOPT A FAMILY PROGRAM | 202412979349100801 |
| 2022 | Georgia Transplant Foundation Atlanta, GA | C | $1,900,000 | paid | FINANCIAL ASSISTANCE | 202313149349100101 |
| 2022 | Children's Healthcare of Atlanta Atlanta, GA | U | $1,000,000 | paid | VARIOUS HEALTHCARE PROGRAMS | 202313149349100101 |
| 2022 | Piedmont Healthcare Foundation Inc Atlanta, GA | U | $800,000 | paid | GENERAL SUPPORT | 202313149349100101 |
| 2022 | University of Georgia Research Foundatio Athens, GA | C | $800,000 | paid | GENERAL SUPPORT | 202313149349100101 |
| 2022 | Emory University Atlanta, GA | U | $525,000 | paid | GENERAL SUPPORT | 202313149349100101 |
| 2022 | Georgia Health Sciences August, GA | U | $425,000 | paid | KIDNEY TRANSPLANT PROGRAMS | 202313149349100101 |
| 2022 | Enduring Hearts Inc Marietta, GA | B | $120,000 | paid | GENERAL SUPPORT | 202313149349100101 |
| 2022 | Angel Flight Soars Inc Chamblee, GA | B | $100,000 | paid | GENERAL SUPPORT | 202313149349100101 |
| 2022 | Atlanta Ronald Mcdonald House Atlanta, GA | U | $30,000 | paid | ADOPT A FAMILY PROGRAM | 202313149349100101 |
| 2020 | Georgia Transplant Foundation Atlanta, GA | C | $2,000,000 | paid | FINANCIAL ASSISTANCE | 202123159349103347 |
| 2020 | The University of Georgia Athens, GA | B | $953,795 | paid | SCHOLARSHIP | 202123159349103347 |
| 2020 | Emory University Atlanta, GA | U | $780,000 | paid | SCHOLARSHIP | 202123159349103347 |
| 2020 | Georgia Health Sciences University Foundation August, GA | U | $465,000 | paid | KIDNEY TRANSPLANT PROGRAMS | 202123159349103347 |
| 2020 | Children's Healthcare of Atlanta Atlanta, GA | U | $150,000 | paid | VARIOUS HEALTHCARE PROGRAMS | 202123159349103347 |
| 2020 | Augusta University Augusta, GA | U | $128,219 | paid | SCHOLARSHIP | 202123159349103347 |
| 2020 | Angel Flight Soars Inc Chamblee, GA | B | $75,000 | paid | GENERAL OPERATING | 202123159349103347 |
| 2020 | Enduring Hearts Inc Marietta, GA | C | $50,000 | paid | GENERAL OPERATING | 202123159349103347 |
| 2020 | Atlanta Ronald Mcdonald House Atlanta, GA | U | $25,000 | paid | ADOPT A FAMILY PROGRAM | 202123159349103347 |
| 2020 | Jeffrey Campbell Evans Foundation Inc Ball Ground, GA | B | $25,000 | paid | GENERAL OPERATING | 202123159349103347 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202522839349101002 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202412979349100801 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202313149349100101 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202123159349103347 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/581996431.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.