He was the top point-scorer for the 1909 NSWRFL season with 43 points,[3][4] and that year he represented New South Wales as well.
[1] Also in 1909, Conlin's South Sydney side again won the premiership, this time in controversial circumstances as Balmain were ruled to have forfeited it.
During the 1909 representative season he made two appearances at centre for Australia in the 1st and the 3rd Test against the Kiwis in Sydney.
Conlon was a playing contemporary of Conlin's but he made no representative appearances in 1909 or thereafter following a family tragedy.
[5] South Sydney reached the final for the 3rd year in a row in the 1910 NSWRFL season and Arthur Conlin played in what would be a try-less draw, the premiership going to opponents Newtown by virtue of their superior ladder position.