Sean M. O’Leary, 46, of Wescosville, died peacefully Dec. 29, 2025, in his residence. He was the husband of Rebecca E. (Hauze) O’Leary for seven years. Born in Islip, N.Y., he was the son of Donald F. O’Leary and the late Florence A. (Russell) O’Leary.

He honorably served his country in the Navy during Operation Enduring Freedom and Operation Iraqi Freedom.

He worked for Lithium Technology Corporation, Cigars International and was the receptionist at the Allentown Art Museum since 2018.

He was an avid visual artist, enjoying sketching and painting and was a member of the Lehigh Valley Photographers Club. He wrote three books under the pen name, Sullivan Hardgrave, publishing “The Chloe Stewart” novels.

In addition to his wife and father, he is survived by his stepmother, Barbara; brothers, Daniel P., Patrick E. and his wife, Samantha, Joseph F. and his wife, Megan; beloved cat, Tropicana.

A celebration of his life with military honors will be held 1 p.m. Jan. 10 in Schantz Funeral Home, P.C., 250 Main St., Emmaus. Visitation noon to 1 p.m. before the service in the funeral home.

Contributions may be made to the Allentown Art Museum, 31 N. Fifth St., Allentown, 18101.