Dorothy E. (McNeil) Kelleher, age 81, died Tuesday, March 27, 2012 at Wingate at Belvidere Rehabilitation Residence in Lowell. She was the beloved wife of the late Francis Kelleher. Born in Brighton, October 9, 1930, Dorothy was the daughter of the late John and Isabelle (DeOtt) McNeil. She retired in 1991 from Sears in Burlington, where she had worked for 21 years as a division manager. Dot, a longtime Billerica resident, was a communicant of St. Theresa's Church. She is survived by her daughter, Deborah Kelleher of Billerica, her son and daughter-in-law, James and Jill Kelleher of Tucson, AZ, and her grandson, Paul Hannon of Billerica.