Thad Allen ("Allen")Snyder was born on September 30, 1911 to Thaddeus Sobieski Snyder and Eunice Margaret Chapman.  He was their first child.  Allen had three sisters: Caroline Louise, Margaret Annabelle, and Margaret Eunice.  Allen married Dorothea Irene Keck on February 9, 1939.  They had two daughters, Janna Margarette and Eufrona Ann.  Allen died on February 17, 2006 in Los Angeles, California and is buried in Rose Hills Memorial Park, Los Angeles County, California along with his wife, Dorothea Irene Keck Snyder and daughter, Dr. Janna Margarette Snyder Stern.