Spencer Jennings Leech was born on 21 July 1912 at Brooklyn, NY. He was the son of
Robinson Leech and
Mary Jennings. Spencer Jennings Leech was educated in 1932 at Taft School, Watertown, CT. He was educated in 1934 at Boeing School of Aeronautics, Oakland, CA. He was employed in 1934 at Leech Aircraft, Armonk, NY. He married
Emilie Theresa Lesher, daughter of
Arthur Lawrence Lesher and
Marion Alice Isaacs, on 9 March 1935 at Rye Presbyterian Church, Rye, NY, Rev Carl Bare, ?; Mrs. Alexander Blook (Constance) matron of Honor, Miss Janet Wilson, of Rye, maid of honor. Other attendants: Eleanor Dommerich, Audrey Achelis, Joan Holt, Eleanor Wacker. Best man, Spencer's brother. Reception at Cedar Colt, home of the Cooks. Spencer Jennings Leech and
Emilie Theresa Lesher were divorced in 1960. Spencer Jennings Leech died on 30 May 1999 at Cape Cod, Mass., USA, at age 86. Spencer Jennings Leech lived at 294 Twin Lane South, Wantagh, NY, 11793.