The family moved to Sydney when Arnold was a young boy and he learned to play rugby league in the St Peters, New South Wales area.

He is remembered as one of the early members of the St George team, playing in the club's formative years with others such as Herb Gilbert and Clarrie Tye.

Traynor was captain of the team during the mid 1920s and right up until the 1930 final series in Snowy Justice's absence He played in the infamous match known as the Earl Park Riot on 11 August 1928[2] as well as St George's 1930 Grand Final loss to Western Suburbs on 4 Oct 1930.

[3] Traynor died at his Pagewood, New South Wales home on 29 July 1976, aged 80.

This rugby league football biography relating to an Australian born in the 1890s is a stub.