John J. Kosko Obituary
We are sad to announce that on January 15, 2023, at the age of 74, John J. Kosko of Germantown, Maryland, born in Washington, District of Columbia passed away. Family and friends can send flowers and condolences in memory of the loved one. Leave a sympathy message to the family on the memorial page of John J. Kosko to pay them a last tribute.
He was predeceased by: his parents, John J. Kosko and Anna Kosko. He is survived by: his wife Janice Kosko; his brother Jerry Kosko; his daughter Katie Durski; his son-in-law Anthony; and his grandchildren, Joe and Anna.
