Nancy Ellen Johnstone, 53, of Welch Road, North Haven, died April 13, 2010, at Yale-New Haven Hospital. Born in New Haven, Oct. 10, 1956, she was a daughter of Shirley Camp Johnstone, of North Haven, and the late David R. Johnstone, Sr. Nancy Ellen was a North Haven High School graduate and a member of St. James Episcopal Church in New Haven.She is survived by brothers, David (Catherine) Johnstone, Jr., of Cheshire, and Michael (Karen) Johnstone, of Killingworth; and five nieces.Funeral services were held at the North Haven Funeral Home on April 17. Interment was in Beaverdale Memorial Park. Memorial donations may be made to the Smilow Cancer Care Center, 20 York St., New Haven, CT 06504.