The William M Casey Foundation concentrates nearly all of its giving on Catholic-affiliated social service providers in Brooklyn, providing substantial unrestricted operational support. Its grants overwhelmingly support institutional care and diocesan activities rather than a broad portfolio of causes, indicating a mission-focused, local philanthropic approach tied to the Diocese and its agencies.
Highly concentrated giving: very few, large grants directed repeatedly to the same core organizations (multi-year/recurring operational support), focused geographically in Brooklyn and on Catholic-affiliated entities.
William M Casey Foundation Inc centers its recent giving on Catholic-affiliated social service infrastructure in Brooklyn, with especially large operating grants to St Vincent's Services Inc across 2023, 2024, and 2025. Those awards, each in the seven-figure range, point to a funder focused on sustaining institutions rather than financing short-term projects. The pattern is reinforced by support for The Roman Catholic Diocese of Brooklyn, also for fund operations, showing a portfolio built around diocesan and agency stability. The foundation's grant history suggests a narrow and consistent mission: helping local nonprofit systems maintain staffing, administration, and service delivery capacity. With annual grants above $5 million and assets over $15 million, William M Casey Foundation Inc directs substantial resources to a small set of recipients, all located in New York. Its recent grants show continuity year to year, with the same organizations appearing across multiple filing years and the same operational purpose repeated throughout the record.
The clearest theme in William M Casey Foundation Inc's recent grants is operational support for Catholic service providers. St Vincent's Services Inc received $1,738,843 in 2024, $1,389,651 in 2025, and $1,384,052 in 2023, all marked for fund operations. The Roman Catholic Diocese of Brooklyn also received operating support in Brooklyn, including $202,059 in 2024, $193,600 in 2025, and $148,156 in 2023. Taken together, those awards show a strong emphasis on sustaining day-to-day institutional capacity. The foundation's giving is not spread across many cause areas in the recent record; it is concentrated in local religious and social-service infrastructure. That pattern points to a funder that supports core functions, rather than distinct program pilots or one-off campaigns.
Typical grant size is large: the p25 is $195,715, the median is $793,056, and the p75 is $1,388,251. The recent record also shows repeat support, with St Vincent's Services Inc and The Roman Catholic Diocese of Brooklyn appearing in multiple years, including 2023, 2024, and 2025. Grants are directed to organizations rather than individuals, and the pattern is consistent with general operating support. The available data does not indicate a public application process or unsolicited-grant pathway.
$5.1M
$15.5M
$4.1M
$1.7M
Most grants fall between $196K and $1.4M, with a median of $793K.
25th Percentile
$196K
Median
$793K
75th Percentile
$1.4M
About 100% of grants go to recipients in NY.
KENNETH P NOLAN ESQ
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Notable grantees: ST VINCENT'S SERVICES INC, THE ROMAN CATHOLIC DIOCESE OF BROOKLYN, Other local Catholic-affiliated social service/parish organizations (implicit recurring support)
William M Casey Foundation Inc gives locally, and the recent grants all went to recipients in New York. Brooklyn is the clear center of activity: both St Vincent's Services Inc and The Roman Catholic Diocese of Brooklyn are Brooklyn-based recipients, and 100% of grants in the data went to organizations in the foundation's HQ state, NY. The country distribution is entirely U.S.-based, with 6 grants and no non-U.S. recipients in the record.
The recent grants focus on Catholic-affiliated nonprofits and diocesan institutions in Brooklyn. St Vincent's Services Inc received multiple fund-operations grants, and The Roman Catholic Diocese of Brooklyn also received operating support. The record points to mission-driven service providers and charitable organizations rather than individuals.
The grant-size distribution is substantial: p25 is $195,715, the median is $793,056, and p75 is $1,388,251. The recent record includes several seven-figure awards, including multiple grants to St Vincent's Services Inc.
Yes. St Vincent's Services Inc appears in 2023, 2024, and 2025, and The Roman Catholic Diocese of Brooklyn appears in all three of those years as well. The pattern shows repeated support rather than one-time funding.
The giving is local and entirely in New York in the provided record. Brooklyn recipients dominate the recent grants, and 100% of grants in the dataset went to organizations in the HQ state, NY.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| ST VINCENT'S SERVICES INC | BROOKLYN, NY | $1,389,651 | 2025 | FUND OPERATIONS |
| THE ROMAN CATHOLIC DIOCESE OF BROOKLYN | BROOKLYN, NY | $193,600 | 2025 | FUND OPERATIONS |
| ST VINCENT'S SERVICES INC | BROOKLYN, NY | $1,738,843 | 2024 | FUND OPERATIONS |
| THE ROMAN CATHOLIC DIOCESE OF BROOKLYN | BROOKLYN, NY | $202,059 | 2024 | FUND OPERATIONS |
| ST VINCENT'S SERVICES INC | BROOKLYN, NY | $1,384,052 | 2023 | FUND OPERATIONS |
| THE ROMAN CATHOLIC DIOCESE OF BROOKLYN | BROOKLYN, NY | $148,156 | 2023 | FUND OPERATIONS |
ST VINCENT'S SERVICES INC
$1,389,651FUND OPERATIONS
THE ROMAN CATHOLIC DIOCESE OF BROOKLYN
$193,600FUND OPERATIONS
ST VINCENT'S SERVICES INC
$1,738,843FUND OPERATIONS
THE ROMAN CATHOLIC DIOCESE OF BROOKLYN
$202,059FUND OPERATIONS
ST VINCENT'S SERVICES INC
$1,384,052FUND OPERATIONS
THE ROMAN CATHOLIC DIOCESE OF BROOKLYN
$148,156FUND OPERATIONS