William S. Mosich Obituary
With sadness, we share the passing of William S. Mosich of San Juan Capistrano, California. William, born on November 12, 1940, passed away on June 20, 2026. Leave a sympathy message to the family on the memorial page of William S. Mosich to pay them a last tribute.
He was predeceased by: his parents, Joseph Mosich and Mary Mosich; and his siblings, Joseph and Lucretia. He is survived by: his wife Mary Lou; his children, Todd (Susan), Kimberly and Lynne (Daniel); his sisters, Miriam (Gary) and Donna (Ben); his grandchildren, Louis (Brianne), Kelby, Brooke, Marley and Micaela; his great grandchild Cade; and his nieces and nephews, Michael, Steven, Brian, Joseph, Charles, Samuel, Sarah, Billie Jo, Mary and Emily. He is also survived by 25 great nieces and nephews and many other family, friends, and longshoring brothers and sisters.
Memorial donations may be made in Billy's name to Santa's Toy Drive 2026 (https://gofund.me) benefiting local Marine families or a charity of your choice.
