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Valley Stream, NY · 2025 filing

O’Donnell Iselin Foundation Inc

Accepts applications

O’Donnell Iselin Foundation Inc accepts grant applications.

Its most recent filing reports $197K given across thirty-three grants.

A typical grant is around $3K.

It funds environment, arts, culture & humanities, health care.

What they give

$197K
Total giving
33
Grants made
$3K
Typical grant
$25K
Largest grant

From their 2025 Form 990-PF. Foundations file annually, so these figures describe a year that has already closed.

What their grants run

The thirty-three grants itemized on their 2025 filing, by size. Half of them landed between $3K and $10K, which is the range to judge your own ask against.

0
18
13
2
0
0
Under $1K$1K–5K$5K–25K$25K–100K$100K–1MOver $1M
Itemized grants on the 2025 filing, bucketed by grant size.

Where the money went

Grants on the 2025 filing reached six states. The largest destinations, with each state’s wider funding picture linked:

Connecticut$73K
New York$73K
Maryland$25K
Massachusetts$18K
Maine$6K
Itemized grant dollars by recipient state, 2025 filing.

What they fund

Based on where their grants went.

  • Environment
  • Arts, Culture & Humanities
  • Health Care

Recent giving reached Connecticut, Massachusetts, Maryland, Maine, New York, Tennessee.

Find more about this foundation in Quillify

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  • All 33 grants, with recipient and amount
  • Who they fund that looks like you
  • Are you eligible? Read from the actual filing
  • A proposal drafted to what they actually fund
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