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Interment following funeral service

St. Malachy Church
Wednesday June 21st, 2017

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Leonard C. Mostowy, Sr.

Leonard C. Mostowy, Sr., born March 20, 1940 passed away on June 17, 2017.  He is survived by his daughter, Maura Lynn Gallagher (Sean) of Succasunna, NJ, L. Casimir Mostowy, Jr. (Dawn) of Avalon, PA and Ross Evan Mostowy (Holly) of Anchorage, Alaska. He is son of Casimir Mostowy and the late Mary (Tengoski) Mostowy, sister Diane Mostowy Halbedl (Ronald), and Christopher Mostowy (Janet).  He is also survived by his five grandchildren, Daphne and Shane Gallagher, Otto, Gemma, and Elise Mostowy.

Len was a quiet, kind, and a very well-mannered gentleman.  He enjoyed country music, playing the guitar, and singing in the folk group at St. Malachy’s church. 

Viewing will be at McDermott’s Funeral Home at 334 Forest Grove Rd.
Coraopolis, PA 15108 (Kennedy Township) from 2:00 to 4:00 and 6:00 to 8:00 on Tuesday, June 20. The funeral mass is at St. Malachy Church, 343 Forrest Grove Road, Coraopolis PA 15108 (Kennedy Township) at 10:00 on Wednesday, June 21.

To plant memorial trees or send flowers to the family in memory of Leonard Mostowy, Sr., please visit our flower store.


Dear Caz, Dawn and family. Our prayers and hearts go out to you at the death of your dad. Believing in the Resurrection of Jesus, we are confident that we will see him again as promised... God be with you.. fd

Fr. Dennis and Assumption Parish Family Jun 20 2017 12:00 AM

Was a great guy, very friendly. I have never known him to be angry. He was very helpful and couldn't do more for you. We are certainly going to miss him big time. I watched him grow up to a wonderful talented man. My brother was very proud of him. I am very saddened to hear the news of his death. May he rest in peace. He will be remembered in our prayers. It is hard to believe that he is not with us anymore because we all loved him so much.

Walter H. Mostowy Jun 20 2017 12:00 AM

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A Sentimental Thoughts was sent on June 19, 2017

Your dad was a special guy. He will be missed. Love, The Iannazzos

Expression of Sympathy Jun 19 2017 12:00 AM