The Kay and Byron Cook Mariposa Foundation
Preselected recipients only
The Kay and Byron Cook Mariposa Foundation is a private foundation in Corsicana, Texas. In tax year 2025 it gave $65,000 in 11 grants; the typical grant was $5,000 and the largest $12,500. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$65,000
- Number of grants11
- Typical grant$5,000
- Largest grant$12,500
- Assets$1.9 million
- New grantees55%
Giving in 2025 was up from $30,600 the year before.
55% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $21,000 | 2 | $1.4 million |
| 2024 | $30,600 | 5 | $1.6 million |
| 2025 | $65,000 | 11 | $1.9 million |
How to apply
The Kay and Byron Cook Mariposa Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Kay and Byron Cook Mariposa Foundation funds
Where it gives
Its grants went to recipients in 2 states, the most to Texas.
| State | Grants | Amount |
|---|---|---|
| Texas | 10 | $60,000 |
| Massachusetts | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| James L Collins Catholic School | Capital improvements | $12,500 |
| Hope Center | Support pregnancy counseling | $11,000 |
| Palace Theatre | Underwrite and support a production | $10,000 |
| Navarro College Foundation | Scholarships | $6,000 |
| Jaipur Jewels of Texas Foundation | Building fund | $5,000 |
| Methodist Childrens Home | Support mission of helping youth | $5,000 |
| Jeff Foundation | Rare disease family assistance | $5,000 |
| Boys & Girls Club of Greater Dallas | Scholarships | $5,000 |
| Make-A-Wish North Texas | Support make-a wish program | $2,500 |
| Salvation Army | Indigent care | $2,000 |
| Texans for Life Coalition | Health and human services | $1,000 |
Officers and trustees
- Ginne Cook Davis
- Katie Cook Melton
- Les Leskoven
Questions people ask
Does The Kay and Byron Cook Mariposa Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Kay and Byron Cook Mariposa Foundation give?
$65,000 in tax year 2025, across 11 grants, with a typical grant of $5,000.
Who runs The Kay and Byron Cook Mariposa Foundation?
Its 2025 filing lists Ginne Cook Davis (Director), Katie Cook Melton (Director) and Les Leskoven (Director).
What does The Kay and Byron Cook Mariposa Foundation fund?
Based on its grants, mainly education, faith communities and human services.