Dorothy was born on June 14, 1937 in Kingstree, S.C to Walter and Pearl Nelson. She was married to Vangel B. Mason who preceded her in death in 1981.
She was a graduate of University of Pittsburg and received her Nursing Degree from Howard University in Washington, DC. She taught nursing at San Bernardino Valley College from 1978 until her retirement in 2002, a profession of which she was extremely proud and passionate. She was a founder and past president of The Inland Empire Black Nurses Association.
She loved traveling, teaching, helping others and enjoyed trips to the casinos.
She was a life member of Alpha Kappa Alpha Sorority, Inc., initiated in Iota Chapter, University of Pittsburg in 1956, and later joined Eta Nu Omega Chapter before becoming a general member in 2012.
As a member of the San Bernardino Valley Chapter of the Links, Inc., she was very active from 1990 before transferring to alumna status.
She was preceded in death by her parents, spouse and siblings, and is survived by her nieces, nephews, cousins, other relatives and a host of close-knit friends.
Members of Alpha Kappa Alpha Sorority, Inc. Eta Nu Omega Chapter and the San Bernardino Valley Chapter of the Links Inc. held their ritual ceremonies to memorialize her on December 9, and friends and family attended.