Data / Foundation grants / Milton & Harriet Sioles Family Foundation
Milton & Harriet Sioles Family Foundation: 4 grants to organizations, $146,000 (tax year ended June 2025)
Milton & Harriet Sioles Family Foundation, a private foundation in Paradise Valley, AZ, paid 4 grants to organizations totaling $146,000 in its tax year ended June 2025, according to its Form 990-PF filed with the IRS on November 13, 2025. The largest was $100,000 to Mayo Clinic in Scottsdale, AZ for medical.
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- EIN
- 272546709
- Based in
- Paradise Valley, AZ
- Assets
- $3,020,650
- Grants paid
- $146,000
- Tax year ended
- June 2025
Grants paid, tax year ended June 2025
From the Form 990-PF filed November 13, 2025, IRS object ID 202543179349102279. It reported $146,000 in grants paid; 4 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Mayo Clinic | Scottsdale, AZ | Medical | $100,000 | apps.irs.gov | |
| Stephen Siller Tunnel To Towers Foundation | Staten Island, NY | Build smart homes for catastrophically injured service members returning home. | Education | $25,000 | apps.irs.gov |
| Most Holy Trinity Roman Catholic Parish Phoenix | Phoenix, AZ | Religious | $11,000 | apps.irs.gov | |
| Tucson Torah Day School | Tucson, AZ | Religious | Education | $10,000 | apps.irs.gov |
Grants paid, tax year ended June 2024
From the Form 990-PF filed May 15, 2025, IRS object ID 202511359349104621. It reported $252,500 in grants paid; 5 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Mayo Clinic | Scottsdale, AZ | Medical | $125,000 | apps.irs.gov | |
| Phoenix Children's Hospital Foundation | Phoenix, AZ | Medical | $100,000 | apps.irs.gov | |
| Stephen Siller Tunnel To Towers Foundation | Staten Island, NY | Build smart homes for catastrophically injured service members returning home. | Education | $25,000 | apps.irs.gov |
| America Gives Inc | New York, NY | Assistance to indigent families | Philanthropy, voluntarism and grantmaking foundations | $1,500 | apps.irs.gov |
| Most Holy Trinity Roman Catholic Parish Phoenix | Phoenix, AZ | Religious | $1,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $60,000 |
| Philanthropy, voluntarism and grantmaking foundations | $1,500 |
States funded
Also on SpecStream
- Who funds education in New York
- Who funds education in Arizona
- Who funds philanthropy, voluntarism and grantmaking foundations in New York
Updated November 13, 2025. 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.