Diana (Donna) M. Aitkenhead, 68, of Milford, artist, architectural draftswoman, and teacher, died Oct. 5, after a long battle with cancer. Born Nov. 10, 1946, in Brooklyn, N.Y. Predeceased by husband, John Aitkenhead, parents, Chester and Helen Horko. Survived by her three sons, five grandchildren, a sister, an aunt, and cousins. Services: Thursday, Oct. 15, 9:30 a.m., St. Ann Church, 501 Naugatuck Avenue, Milford. \u00a0Burial follows in Kings Highway Cemetery, Milford. Visiting hours: Wednesday, Oct. 14, 4-8 p.m., Cody-White Funeral Home, 107 Broad Street, Milford. Memorial contributions: \u201cMilford Operation Mainstream\u201d (the Special Olympics of Milford), 49 Baxter Lane, Milford, CT 06460.