CARLSON, Randi (Nilssen) Of Concord, formerly of Lexington, Jan. 20, 2015. Wife of the late Carl A. Carlson. Mother of Ellen Randi Carlson of Maynard, and Paul Arthur Carlson of Watertown. Sister of Leiv Nilssen of Norway. Randi is also survived by 2 grandchildren, Carl Nilssen and Jorie Agnes, and by many nieces and nephews in the United States and Norway. Nurse at Mt. Auburn Hospital in Cambridge. A funeral service will be held Saturday, Jan. 24 at St. Paul Lutheran Church, 929 Concord Turnpike in Arlington at 3pm. Relatives and friends are kindly invited to attend. Visiting hours Friday at the Douglass Funeral Home, 51 Worthen Rd., LEXINGTON, from 4pm to 8pm. Interment private.