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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Edward L & Ruth S Hennessy Foundation Maria Onderdonk

Maria Onderdonk

Secretary and Trustee at Edward L & Ruth S Hennessy Foundation

Fiscal year ended December 31, 2021. Published on January 25, 2026.

$0

2021

Total compensation

Maria Onderdonk has been listed as an employee of Edward L & Ruth S Hennessy Foundation in Form 990 filings since fiscal year 2018.

Annual compensation details

$0

Secretary and Trustee

2021

$0

Vice President

2020

$0

Vice President

2018

Compare the compensation of Maria Onderdonk to:

Revisions to this profile

January 25, 2026:

2021 Edward L & Ruth S Hennessy Foundation 990 published

January 24, 2026:

2020 Edward L & Ruth S Hennessy Foundation 990 published

January 24, 2026:

2018 Edward L & Ruth S Hennessy Foundation 990 published

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2021

Other employees at Edward L & Ruth S Hennessy Foundation

Elizabeth R Hennessy

Executive Director and Trustee

$2,000

$2,000 —No other comp

Michelle H Daigle

Trustee

$0

James T Elliott

Treasurer and Trustee

$0

Danial Mielnicki

Trustee

$0

John C Onderdonk

Trustee

$0

Jeffery N Sandler

Trustee

$0

Paul Onderdonk

Chair and President

$0

Edward L Hennessy Jr

Founder

$0