She was born in Lincoln, NB and married the love of her life, Owen Riggs.

The military life brought them to Hanahan, SC along with their family. Mary Ann worked as an assistant manager at Montgomery Ward for years before helping open the Wal-Mart on Rivers Avenue, where she retired from. She was a trailblazer as a female in leadership positions that she held and was very proud of her accomplishments. She and her husband were one of the founding families of Divine Redeemer Catholic Church in Hanahan and were parishioners for many years. Although Mary Ann had many accomplishments, she was most proud of her family.

She leaves behind three daughters, Jennifer McKeehan (Larry) of Summerville, Kathleen Cowart of Hanahan, and Mary Ellen Denesha of Hanahan. She also leaves behind six grandchildren, Cassie Brooks (Teresa) of Hanahan, Jared Brooks of Hanahan, Katie Letson of Goose Creek, Melissa Andrews (Robert) of Daniel Island, Cresenthia Green of Hanahan and Trista Boykin (Joseph) of Okinawa. She also leaves behind 11 great grandchildren.

She was preceded in death by her husband, Owen Riggs, and her two sons Mike and Mark Riggs.

A Rosary will be held at 10:30am on Friday, February 26, 2021 at Carolina Memorial Funerals & Cremation with a visitation between services. A Prayer Service will be held at 11:30am, with inurnment to follow at Carolina Memorial Gardens, 7113 Rivers Ave., North Charleston, SC 29406.

In leiu of flowers please send a donation to Lutheran Hospice or Charleston Animal Society.