The Alumni Association is focused on supporting Leo High School and to a smaller extent other charitable causes.  If you are an alumnus or other interested individual who is moved by our website or otherwise wishes to make a donation to our organization, please do so by forwarding to:

Leo High School Alumni Association
P.O. Box 603
Oak Lawn, Illinois 60454

Make Checks Payable To:
Leo High School Alumni Association

or you can make an online donation by clicking a button below

Your donations to the Leo High School Alumni Association will be recognized on our website.  All contributions to the Leo High School Alumni Association are fully deductible Charitable Contributions made to an organization qualified under Section 501(C)(3) of the Internal Revenue Code.

We would like to thank the following people for their contribution of time, documents, articles, and or money to our website.  These individuals are listed below.  If we accidentally forgot to list you, please forgive the oversight and contact us, so we can correct this.


Harold Barclay

Patricia Fridley

Francis Hartmann

Joseph Moroney

Heidi Spears

DL Wisniewski



Angone, Conrad ‘57

Begley, Richard ’56

Cheval, Bob ‘74

Costello, Jack ’52

Earner, Eugene ‘50

Hickey, Patrick / Leo HS

Howard, Jack ’61


Bro. Lemarr ‘84

Mahoney, David ’57

O’Keefe, Dan ‘91

Wetzel, Jim ’79

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