[1] He umpired one Test match in January 1931 between Australia and the West Indies at the Brisbane Exhibition Ground.
Australia won by an innings with Don Bradman scoring 223, Bill Ponsford a century, and Clarrie Grimmett taking 9 wickets for the match.
[2] Orr's partner, Arthur Wyeth, was also standing in his only Test match.
Orr was on the staff of the Queensland Department of Agriculture and Stock from 1883 until his retirement in 1935.
[3] This biographical article related to an Australian cricket person born in the 1860s is a stub.