Peter Beall Cassilly, of Aberdeen, MD, passed away on November 13, 2022. He was 83.

Mr. Cassilly was born in Baltimore, MD, to Robert Rogers Cassilly and Vera Frances Swart Cassilly. He was the husband of the late Joan Patricia Bernardi Cassilly and the uncle of numerous nieces and nephews. He was the brother of late Robert Cassilly, Richard Cassilly, Francesca Cassilly Adams, and Catherine Cassilly Florek.

Mr. Cassilly was a Master Plumber and Pipefitter. He was a member of St. Patrick’s Catholic Church, the Friendly Sons of St. Patrick, Son’s of the Confederate Veterans, and the Police Emerald Society. He was an avid Bluegrass fan and listener. He enjoyed antique cars and collecting European Beer Bottles.

A viewing will be held on Friday, November 18, 2022, from 5-8 PM, at Zellman Funeral Home, P.A., 123 S. Washington St., Havre de Grace, MD. A Mass of Resurrection will be held on Saturday, November 19, 2022, at 11:30 AM, at St. Patrick’s Catholic Church, 615 Congress Avenue, Havre de Grace, MD. Father Francis Ouma will officiate. Interment will be held at Mt. Erin Cemetery.

Contributions may be made to St. Patrick’s Catholic Church.

Online condolences may be made to www.zellmanfuneralhome.com.