Official Obituary of

John J. Marcinizyn

May 28, 1944 ~ February 6, 2023 (age 78) 78 Years Old
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John Marcinizyn Obituary

John J. “Jack” Marcinizyn, 78, of Newark, Delaware passed away on Monday, February 6, 2023.  Born in Wilmington on May 28, 1944, he was the son of the late John and Elva (Sloniewska) Marcinizyn.

Jack was a graduate of Salesianum School, a life-long member of St. Hedwig Parish, and a State of Delaware employee. 

He is survived by his three sons, Joshua, Eric, and John II; his grandson, Levi; his sister, Joanne Cirillo.

Family and friends are invited to visit at St. Hedwig Church, 408 S. Harrison Street, Wilmington on Wednesday, February 15 from 9:30 – 10:15AM.  A Mass of Christian Burial will be celebrated at 10:30AM, immediately followed by interment in Cathedral Cemetery.

In lieu of flowers, donations in memory of John may be made to Surfrider Foundation, PO Box 73550, San Clemente, CA 92673 (


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February 15, 2023

9:30 AM to 10:15 AM
St. Hedwig Church
408 S. Harrison Street
Wilmington, DE 19805

Mass of Christian Burial
February 15, 2023

10:30 AM
St. Hedwig Church
408 S. Harrison Street
Wilmington, DE 19805

Interment following Mass
February 15, 2023

Cathedral Cemetery
2400 Lancaster Ave
Wilmington, DE 19805


Surfrider Foundation
PO Box 73550, San Clemente CA 92673


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