[1] Gilman was educated at St Paul's School in London and Jesus College, Cambridge.

An electrical engineer, he served as a major in the Royal Army Service Corps in World War One.

[2] At 97 years and 182 days when he died in 1976, Gilman was Middlesex's longest-lived player until Rusi Cooper overtook his record in 2020.

[3] The 1977 edition of Wisden carried, as well as Gilman's obituary, an interview he had given a few weeks before he died on his memories of playing alongside W. G. Grace for London County.

This biographical article related to an English cricket person born in the 1870s is a stub.