Arizona Republic; Phoenix Arizona; 1999-2-21 & 1999-2-22 2/21/99 Dorothy M. Williamson, 79, of Mesa, a homemaker, died Feb. 19, 1999. She was born in Canada. Survivors include her daughter, Patti Okner; son, Leonard; sister, Mary Lake; brother, Leo Lake; four grandchildren; and one great-grandchild. Visitation: 4 to 6 p.m. Monday, Mesa Funeral Care, 400 S. Power Road, Mesa. Mass: 10 a.m. Tuesday, All Saints Catholic Church, 1534 N. Recker Road, Mesa. 2/22/99 Dorothy M. Williamson, 79, of Mesa, a homemaker, died Feb. 19, 1999. She was born in Canada. Survivors include her daughter, Patti Okner; son, Leonard; mother, Rowena Frank; sister, Mary Lake; brother, Leo Lake; four grandchildren; and one great-grandchild. Visitation: 4 to 6 p.m. Monday, Mesa Funeral Care, 400 S. Power Road, Mesa. Mass: 10 a.m. Tuesday, All Saints Catholic Church, 1534 N. Recker Road, Mesa.