Data / Foundation grants / Mayr George H - Main
Mayr George H - Main: 31 grants to organizations, $1.4 million (tax year ended December 2025)
Mayr George H - Main, a private foundation in Saint Louis, MO, paid 31 grants to organizations totaling $1,365,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 11, 2026. The largest was $100,000 to St Francis HS of La Canada Flintridge in La Canada, CA for general operating.
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- EIN
- 956062009
- Based in
- Saint Louis, MO
- Assets
- $34,858,115
- Grants paid
- $1,365,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 11, 2026, IRS object ID 202641319349101709. It reported $1,365,000 in grants paid; 31 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| St Francis HS of La Canada Flintridge | La Canada, CA | General operating | $100,000 | apps.irs.gov | |
| Cathedral High School | Los Angeles, CA | General operating | $70,000 | apps.irs.gov | |
| Romana Convent Secondary School | Alhambra, CA | General operating | $70,000 | apps.irs.gov | |
| Bishop Amat Memorial High School | La Puente, CA | General operating | $60,000 | apps.irs.gov | |
| Bishop Montgomery High School | Torrance, CA | General operating | $60,000 | apps.irs.gov | |
| Verbum Dei Jesuit High School | Los Angeles, CA | General operating | $60,000 | apps.irs.gov | |
| Don Bosco Technical Institute | Rosemead, CA | General operating | $50,000 | apps.irs.gov | |
| Flintridge Sacred Heart Academy | La Canada Flintridge, CA | General operating | $50,000 | apps.irs.gov | |
| Junipero Serra High School A Corp | Gardena, CA | General operating | $50,000 | apps.irs.gov | |
| Loyola Marymount University | Los Angeles, CA | General operating | Education | $50,000 | apps.irs.gov |
| Sacred Heart High School | Los Angeles, CA | General operating | $50,000 | apps.irs.gov | |
| Saint Marys Academy | Inglewood, CA | Scholarships | $50,000 | apps.irs.gov | |
| Notre Dame Academy | Los Angeles, CA | General operating | $45,000 | apps.irs.gov | |
| Bishop Alemany High School | Mission Hills, CA | General operating | $40,000 | apps.irs.gov | |
| Chaminade College Preparatory | Saint Louis, MO | General operating | $40,000 | apps.irs.gov | |
| Holy Child Jesus | Chicago, IL | General operating | $40,000 | apps.irs.gov | |
| Pomona Catholic High School | Pomona, CA | Scholarships | $40,000 | apps.irs.gov | |
| San Gabriel Mission High School | San Gabriel, CA | Scholarships | $40,000 | apps.irs.gov | |
| Santa Clara College | Saint Louis, MO | General operating | $40,000 | apps.irs.gov | |
| St Anthony High School | Long Beach, CA | Scholarships | $40,000 | apps.irs.gov | |
| Damien High Schools A Corp | La Verne, CA | General operating | $30,000 | apps.irs.gov | |
| Hillside School and Learning Center | La Canada, CA | General operating | Education | $30,000 | apps.irs.gov |
| Immaculate Conception Academy | San Francisco, CA | General operating | $30,000 | apps.irs.gov | |
| Immaculate Heart High School | Hollywood, CA | General operating | $30,000 | apps.irs.gov | |
| Maranatha High School | Pasadena, CA | Scholarships | Education | $30,000 | apps.irs.gov |
| Marianne Frostig Center of Education | Pasadena, CA | Scholarships | $30,000 | apps.irs.gov | |
| Mount Saint Marys University | Emmitsburg, MD | General operating | Education | $30,000 | apps.irs.gov |
| Servite High School | Anaheim, CA | Scholarships | $30,000 | apps.irs.gov | |
| St Marys High School | Lancaster, NY | Scholarships | $30,000 | apps.irs.gov | |
| Notre Dame High School of Sherman Oaks | Sherman Oaks, CA | General operating | $25,000 | apps.irs.gov | |
| University of the Pacific | Stockton, CA | General operating | Education | $25,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed July 8, 2025, IRS object ID 202521899349100707. It reported $1,360,000 in grants paid; 33 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Loyola Marymount University | Los Angeles, CA | General operating | Education | $125,000 | apps.irs.gov |
| St Francis High School of La Canada | La Canada Flintridge, CA | Scholarships | $75,000 | apps.irs.gov | |
| Notre Dame Academy | Los Angeles, CA | General operating | $70,000 | apps.irs.gov | |
| Romana Convent Secondary School | Alhambra, CA | General operating | $65,000 | apps.irs.gov | |
| Sacred Heart High School | Los Angeles, CA | General operating | $65,000 | apps.irs.gov | |
| St Marys High School | Lancaster, NY | Scholarships | $65,000 | apps.irs.gov | |
| Holy Child Jesus | Chicago, IL | General operating | $60,000 | apps.irs.gov | |
| Junipero Serra High School A Corp | Gardena, CA | General operating | $50,000 | apps.irs.gov | |
| Marianne Frostig Center of Education | Pasadena, CA | Scholarships | $50,000 | apps.irs.gov | |
| Verbum Dei Jesuit High School | Los Angeles, CA | General operating | $50,000 | apps.irs.gov | |
| Hillside School and Learning Center | La Canada, CA | General operating | Education | $45,000 | apps.irs.gov |
| Damien High Schools A Corp | La Verne, CA | General operating | $40,000 | apps.irs.gov | |
| Immaculate Heart High School | Hollywood, CA | General operating | $40,000 | apps.irs.gov | |
| Saint Marys Academy | Inglewood, CA | Scholarships | $40,000 | apps.irs.gov | |
| St Francis High School of La Canada Flintridge | La Canada, CA | General operating | $40,000 | apps.irs.gov | |
| Bishop Alemany High School | Mission Hills, CA | General operating | $30,000 | apps.irs.gov | |
| Bishop Amat Memorial High School | La Puente, CA | General operating | $30,000 | apps.irs.gov | |
| Bishop Montgomery High School | Torrance, CA | General operating | $30,000 | apps.irs.gov | |
| Cathedral Catholic High School | San Diego, CA | General operating | $30,000 | apps.irs.gov | |
| Chaminade College Preparatory | Saint Louis, MO | General operating | $30,000 | apps.irs.gov | |
| Don Bosco Technical Institute | Rosemead, CA | General operating | $30,000 | apps.irs.gov | |
| Flintridge Sacred Heart Academy | La Canada Flintridge, CA | General operating | $30,000 | apps.irs.gov | |
| Pomona Catholic High School | Pomona, CA | Scholarships | $30,000 | apps.irs.gov | |
| President-Board of Trustees Santa Clara College | Santa Clara, CA | Scholarships | Education | $30,000 | apps.irs.gov |
| San Gabriel Mission High School | San Gabriel, CA | Scholarships | $30,000 | apps.irs.gov | |
| St Anthony High School | Long Beach, CA | Scholarships | $30,000 | apps.irs.gov | |
| Notre Dame High School of Sherman Oaks | Sherman Oaks, CA | General operating | $25,000 | apps.irs.gov | |
| University of the Pacific | Stockton, CA | General operating | Education | $25,000 | apps.irs.gov |
| Cathedral High School | Los Angeles, CA | Scholarships | $20,000 | apps.irs.gov | |
| Immaculate Conception Academy | San Francisco, CA | General operating | $20,000 | apps.irs.gov | |
| Maranatha High School | Pasadena, CA | Scholarships | Education | $20,000 | apps.irs.gov |
| Mount Saint Marys University | Emmitsburg, MD | General operating | Education | $20,000 | apps.irs.gov |
| Servite High School | Anaheim, CA | Scholarships | $20,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $430,000 |
States funded
| Recipient state | Granted |
|---|---|
| California | $2,370,000 |
| Missouri | $110,000 |
| Illinois | $100,000 |
| New York | $95,000 |
| Maryland | $50,000 |
Also on SpecStream
Updated May 11, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.