|Date of birth||3 September 1942|
|Original team(s)||East Fremantle (WANFL)|
Round 3, 1969, Carlton|
vs. Footscray, at Whitten Oval
|Height||178 cm (5 ft 10 in)|
|Weight||80 kg (176 lb)|
1 Playing statistics correct to the end of 1970.
|Sources: AFL Tables, AustralianFootball.com|
Thornley was recruited to Carlton from East Fremantle Football Club in the Western Australian Football League and made his VFL debut during the 1967 season. A rover, Thornley played in the 1970 VFL Grand Final and was the man replaced by eventual match hero Ted Hopkins at half time. He finished his playing career at Preston Football Club in the Victorian Football Association (VFA) before becoming the coach of Torquay.