She was born July 13, 1927 in Falmouth, Maine, the daughter of Ernest C. and Cecelia E. (Eldred) Baker.
She retired from AT & T in 1989 and was spokeswoman in 1979 for AT&T’s new concept of operators answering the phones using their full name.
Lois was the First Female Skin Diver, she was member of Maine Marine Alpine Diving Club and a member of Jasper N. Keller Pioneer Chapter.
She was predeceased by her parents, her husband Henry O’Brien; her daughter Laurie Craven, her sons, Edward and Timothy O’Brien, and her sister Natalie Lemmon.
She is survived by her son David Craven and his wife Carmel; grandsons, Phillip, Patrick, and Tyler O’Brien; her granddaughter Nicole Tucker; her brother Ernest Baker; and several nieces and nephews.