Florence "Sis" (Kennedy) O’Brien Cairns

South Portland – Florence “Sis” (Kennedy) O’Brien Cairns, 100, passed away on April 9, 2025, in South Portland. Sis was born on August 15, 1924, in Portland, the daughter of the late Daniel and Nellie (Wilson) Kennedy.

Sis graduated from South Portland High School with the class of 1941. Her first job after graduating was as a switchboard operator at the Maine Eye and Ear Infirmary. She then worked for a short time as a receptionist from Dr. Philip Thomson Sr. The rest of her career was with Casco Bank and Trust, retiring in 1981. Sis would continue to work part time at the Filene’s Department Store for many years. She married Richard F. O’Brien Jr. in 1944 and had 5 sons with him. Sis became known to many as a doting mother, Grammie, great Grammie, and will be greatly missed by all.

Sis was predeceased by her second husband, Gordon Cairns; son, Joseph O’Brien; brother, Daniel Kennedy. She is survived by her sons, Richard III and his wife Norma O’Brien, Ronald O’Brien and his partner, Theresa Sampietro, Daniel and his wife Judy O’Brien, Timothy and his wife Paula O’Brien; stepchildren, Stephen and his wife Nancy Cairns, and Debra Lamb; seven grandchildren, and eight great grandchildren, and many beloved extended family members.

The family would like to extend a special thank you to Compasses Hospice and the care team at the Pinnacle of South Portland, especially the team with the 300 Unit.

Visiting Hours will be held from 4pm – 7pm on Thursday, April 24, 2025, at the Conroy-Tully Walker Funeral Home of South Portland, 1024 Broadway, South Portland. Prayers will be recited at the Funeral Home at 9am on Friday, April 25, 2025, followed by a 10am Mass of Christian Burial at St. Maximilian Kolbe, 150 Black Point Rd, Scarborough.

To view Sis’ Memorial Page or to share an online condolence, please visit www.ConroyTullyWalker.com

In lieu of flowers, donations to Wayside Food Programs, PO Box 1278, Portland, ME 04104