Patricia Millerof Billerica, was veterinary technician; 65 BILLERICA -- Patricia (Callahan) Miller, age 65, died Saturday, November 12, 2011, at Boston Medical Center, after a long illness.She was born in Somerville, June 29, 1946, the daughter of the late Joseph and Louise (Grosmaire) Callahan. She graduated from Billerica Memorial High School and Angel Memorial Hospital School, later working as veterinary technician for McGrath Animal Hospital in Billerica for 35 years.She was a member of the American Kennel Club.She is survived by her loving son, Richard Miller of NY; her three sisters, Kathy Dufresne and her husband, Ron, of MD, Judy Palmer and her husband, Bob, of AZ, and Louise Chuha.MILLER -- of Billerica, November 12, 2011, Patricia (Callahan) Miller, age 65. Beloved mother of Richard Miller of NY. Visiting hours will be held in the Burns Funeral Home, 354 Boston Rd., (Rt. 3A), Billerica, Tuesday, November 15, from 2-5 PM. Relatives and friends invited. Memorial contributions may be made in Patricia's name to the American Bullmastiff Rescue, Templeton, Mass. Chapter (978-939-5300) where her loving dog Sophie was taken to be cared for. Interment will be private. Arrangements by Burns Funeral Home. www.burnsfuneralhomes.com