[1][2][3][4][5] Gilbert Austin's birth was registered in Sculcoates district, Hull, East Riding of Yorkshire, England, he lived in First Lane, Northfield, Hessle c. 1948, he died from injuries sustained in a traffic collision, when a taxi that he, his wife (also seriously injured) and another four people (of which one woman was also seriously injured) were travelling in, was in collision with a truck near Ferriby, East Riding of Yorkshire, England, and his death aged 53 was registered in Hull district, East Riding of Yorkshire, England.

[6] Gilbert Austin played right wing for "The Reds" in the 15–38 defeat by "The Whites" in a trial match for the 1924 Great Britain Lions tour of Australia and New Zealand trial match at Central Park, Wigan on Wednesday 20 February 1924, in front of a crowd of 15,000, but ultimately he was not selected for Great Britain.

[8] he played left wing in the 9–28 defeat by Lancashire in the 1924–25 County Championship match during the 1924–25 season at Thrum Hall, Halifax on Saturday 29 November 1924.

[9] Gilbert Austin played left wing in the Hull Kingston Rovers' 3–16 defeat by Oldham in the 1924–25 Challenge Cup Final during the 1924–25 season at Headingley, Leeds on Saturday 25 April 1925, in front of a crowd of 28,335.

A joint benefit season/testimonial match at Hull Kingston Rovers during the 1927–28 season was shared by; Gilbert Austin and Frank Bielby, during May 1928 each player received £81 9s 7d (based on increases in average earnings, this would be approximately £25,480 in 2017).