Ku dhammee weedhan soo socda: McIlhargey wuxuu ku dhashay Maarso 7, 1952 magaalada Edmonton, Alberta. McIlhargey wuxuu ciyaari jiray sideed sano oo uu daafaca u ahaa, wuxuuna bilaabay markii uu xirfadle ka noqday Philadelphia Flyers sanadkii 1974. Wuxuu noqday Canuck Janaayo 20, 1977 markii lagu beddelay Vancouver Larry Goodenough oo lagu beddelay Bob Dailey. Wuxuu u soo muuqday 167 ciyaarood Canucks (1977-80) ka hor inta aan dib loogu celin Philadelphia lacag caddaan ah Janaayo 2, 1980. Waxa uu xirfaddiisa NHL ku dhammeeyey kooxda Hartford Whalers ka dib markii lagu beddelay Norm Barnes 21kii Nofeembar 1980 doorashada wareega labaad ee Hartford ee
Waxaa la soo doortay 1982. Wuxuu ciyaaray 393 ciyaarood oo NHL ah isagoo diiwaangeliyay 11 gool, 36 caawin iyo 1102 daqiiqo oo ganaax ah. Wuxuu ka fariistay xilli ciyaareedkii 1981/82.