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Person · officer / director

Mark O'Leary

Trustee · 1471 Supreme Advocate Harold

Trustee at 1471 Supreme Advocate Harold. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.

This is me
Ambiguous identity This name matches 9 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
1
Roles reported
1
Others who share this name
9

Who this is

Profile

The filed facts are verified from the IRS filings. The biography is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as Trustee of 1471 Supreme Advocate Harold, based in Monroe, WI.
Facts extracted directly from each organization's Form 990, Part VII.
Biography In progress
We're building a sourced biography for every person — from filings, news, and public records, citing where each fact comes from. Person-name searches are our single largest source of demand, so this is what we're shipping next.

Affiliations

Organizations

1
1471 Supreme Advocate Harold Trustee · $25K revenue · Monroe, WIA catholic fraternal organization dedicated to promoting and conducting educational, charitable, religious and social welfare works, rendering mutual…Filed FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named Mark O'Leary

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

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Mark O'Leary 1 organization · Belleville, MIAndover Farms Subdivision Homeowners Association
M
Mark O'Leary 1 organization · N Andover, MANorth Andover Country Club
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Mark O'Leary 1 organization · Wakefield, MAWakefield Knights of Columbus Building Associaton
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Mark O'Leary 1 organization · Bethesda, MDUniversity of the Aftermarket Foundation
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Mark O'Leary 1 organization · South Boston, MAJoseph P Tynan Community School Council INC
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Mark O'Leary 1 organization · Bloomington, MNPacer Center INC
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Mark O'Leary 1 organization · De Soto, IAA Heinz57 Pet Rescue and Transport INC
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Mark O'Leary 1 organization · Bel Air, MDEgg Track Club a NJ Nonprofit Corporation
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Mark O'Leary 1 organization · Kendall Park, NJTrs Oleary Heffernan Scholarship a NJ Nonprofit Corporation

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

F
Chaplain · FY2025
R
Trustee · FY2025
J
Warden · FY2025
J
Inside Guard · FY2025
E
Outside Guard · FY2025
P
Trustee · FY2025
M
Trustee · FY2025
J
Advocate · FY2025
S
Grand Knight · FY2025
J
Chancellor · FY2025
B
Recorder · FY2025
M
Treasurer · FY2025

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org