Jimmcmahon Jimmcmahon, James J Mcmahon, Jim J Mcmahon and 6 other people are people possibly related to Mcmahon. Phone number listed for Mcmahon is (908) 852-2753. This person's birth year is 1948. The current age of Mcmahon is 76. 315 Redtail Hawk Ct, Hackettstown, Nj 07840 is where Mcmahon lives. Mcmahon has previously lived in Budd Lake, Yonkers and West Orange.