Margaret Grosko's parents were Andrew and Susan (Hujdich) Grosko of Braddock, Pa. Mrs. Grosko died in 2003 at the age of 99.

Margaret's siblings: Andrew Grosko, Rev. Joseph (priest) Grosko, John Grosko, Ann Pavlan, Elizabeth Rittenberger, Mary Angeline Neary, and Julia Zuger.

According to the obituary of Mary A. Neary, Margaret Grosko, married name Baker, resides in Palos Verdes, California.