Mr. Callahan, 81, of the Oakhurst section of Ocean Township, died Jan. 17, 2010. He was employed in communications for 20 years at Bell Labs, Holmdel. He was predeceased by three sisters; and three brothers. He is survived by his wife of 54 years, Mary DeWitt Callahan; a son and daughter-in-law, Jeffrey K. and Wendy Callahan of Neptune; two daughters and one son-in-law, Aimee DeRosa of Oakhurst, and Deborah and William McVeigh of Jacksonville, Fla.; a sister and brother-in-law, Paula and Joe Nyzio of Philadelphia, Pa.; and five grandsons. Arrangements and a funeral service with military honors were by Damiano Funeral Home, Long Branch. Memorial donations may be made to Disabled American Veterans, P.O. Box 14301, Cincinnati, OH 45250-0301.