Billy McMahon's birth name is William McMahon.
Billy McMahon was born on February 23, 1908, in Sydney, New South Wales, Australia.
William McMahon died on March 31, 1988 at the age of 80.
Aoife McMahon is 5' 4".
Brendan McMahon is 5' 10".
Bryan McMahon is 6' 3".
Danette McMahon is 6' 1".
Don McMahon is 6' 2".
Douglas McMahon is 5' 11".
Horace McMahon is 5' 11".
Marcus McMahon is 5' 9".
Marissa McMahon is 5' 5".