Margo was born in San Francisco, CA on January 16, 1922 to Samuel and Rose Gon.  She grew up in Los Angeles, CA and returned to the Bay Area at the age of 16.  She met her devoted husband, Lester Lyle Mammon in San Francisco, CA and they married on October 31, 1941.  He preceded her in death in 1984.

Her working career encompassed being a waitress, restaurant owner; she retired from Cal Farm Insurance as a Fire Rater, and most importantly wife and mother.

She is survived by her four sons, Kenneth, Roger (Cynthia), Robert (Carol) and Thomas, Grand Daughters Jill (Scott) Ratliff, Cara (Dan) Kleinfelder, Grandson Joel, Great-grandson Maxwell and Great-granddaughter Riley.

All of her family and friends are welcome to a Celebration of Life in her honor to be held at the Sunset Mausoleum Chapel located at 101 Colusa Ave., El Cerrito, CA on Saturday, September 15, 2018 at 11:00 am.  A reception/luncheon will be held immediately following the Celebration of Life at China Delights Restaurant, 1501 Tara Hills Dr., Pinole, CA.  Everyone is invited to attend.