Data / Foundation grants / Harry F Mariani Family Foundation
Harry F Mariani Family Foundation: 14 grants to organizations, $272,000 (tax year ended December 2025)
Harry F Mariani Family Foundation, a private foundation in Locust Valley, NY, paid 14 grants to organizations totaling $272,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on April 14, 2026. The largest was $68,000 to Tisch Multiple Sclerosis Research Center New York Inc in New York, NY for general support.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 843901549
- Based in
- Locust Valley, NY
- Assets
- $6,763,633
- Grants paid
- $272,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed April 14, 2026, IRS object ID 202631049349100633. It reported $272,000 in grants paid; 14 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Tisch Multiple Sclerosis Research Center New York Inc | New York, NY | General support | Medical research | $68,000 | apps.irs.gov |
| Northwell Health Foundation | Huntington, NY | General support | $56,000 | apps.irs.gov | |
| The Beaufort County Open Land Trust Inc | Beaufort, SC | General support | Environment | $50,000 | apps.irs.gov |
| Pingree School | South Hamilton, MA | General support | Education | $27,000 | apps.irs.gov |
| University of Notre Dame | Notre Dame, IN | General support | $25,000 | apps.irs.gov | |
| The Don Monti Memorial Research Foundation | Cold Spring Harbor, NY | General support | $12,000 | apps.irs.gov | |
| Coastal Conservation Association South Carolina | Columbia, SC | General support | $10,000 | apps.irs.gov | |
| Tulane University | Dallas, TX | General support | $10,000 | apps.irs.gov | |
| St Joseph's Children's Hospital Tampa | Tampa, FL | General support | $4,000 | apps.irs.gov | |
| Community Dispute Settlement Center | Cambridge, MA | General support | Crime and legal-related | $3,000 | apps.irs.gov |
| Minuteman Senior Services | Bedford, MA | General support | $3,000 | apps.irs.gov | |
| Lowcountry Food Bank | Charleston, SC | General support | $1,500 | apps.irs.gov | |
| North Charleston Animal Society | North Charleston, SC | General support | $1,500 | apps.irs.gov | |
| One80 Place | Charleston, SC | General support | $1,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed April 9, 2025, IRS object ID 202500999349100510. It reported $200,000 in grants paid; 14 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Northwell Health Foundation | Huntington, NY | General support | $50,000 | apps.irs.gov | |
| Tisch Multiple Sclerosis Research Center New York Inc | New York, NY | General support | Medical research | $45,000 | apps.irs.gov |
| The Beaufort County Open Land Trust Inc | Beaufort, SC | General support | Environment | $30,000 | apps.irs.gov |
| University of Notre Dame | Notre Dame, IN | General support | $25,000 | apps.irs.gov | |
| Coastal Conservation Association South Carolina | Columbia, SC | General support | $15,000 | apps.irs.gov | |
| Pingree School | South Hamilton, MA | General support | Education | $10,000 | apps.irs.gov |
| Tulane University | Dallas, TX | General support | $10,000 | apps.irs.gov | |
| American Friends of the London Philharmonic Orchestra | New York, NY | General support | $5,000 | apps.irs.gov | |
| Community Dispute Settlement Center | Cambridge, MA | General support | Crime and legal-related | $2,500 | apps.irs.gov |
| Minuteman Senior Services | Bedford, MA | General support | $2,500 | apps.irs.gov | |
| St Joseph's Children's Hospital Tampa | Tampa, FL | General support | $2,500 | apps.irs.gov | |
| Lowcountry Food Bank | Charleston, SC | General support | $1,000 | apps.irs.gov | |
| North Charleston Animal Society | North Charleston, SC | General support | $1,000 | apps.irs.gov | |
| One80 Place | Charleston, SC | General support | $500 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Medical research | $113,000 |
| Environment | $80,000 |
| Education | $37,000 |
| Crime and legal-related | $5,500 |
States funded
| Recipient state | Granted |
|---|---|
| New York | $236,000 |
| South Carolina | $111,500 |
| Indiana | $50,000 |
| Massachusetts | $48,000 |
| Texas | $20,000 |
| Florida | $6,500 |
Also on SpecStream
- Who funds medical research in New York
- Who funds environment in South Carolina
- Who funds education in Massachusetts
- Who funds crime and legal-related in Massachusetts
Updated April 14, 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.