[4][5] Their son, Leslie Dayman, was the notable Australian stage, screen and TV actor, and their grandson, Chris McDermott, was the inaugural captain of Adelaide Crows.

A regular South Australian interstate representative, he made a total of 19 appearances and kicked 30 goals for his state.

Footscray acquired his services in 1932 and he had a solid first season, kicking a bag of five against Fitzroy in his second game and topping the club's goal-kicking with 37 majors.

Following a three-year VFL stint, Dayman played briefly at Coburg in the Victorian Football Association (VFA).

[7][8] Dayman was initially appointed as captain-coach of Maryborough in the Bendigo Football League in late March 1935, but the position must of fell through,[9] but he was then cleared from Coburg to Yarraville in early April, 1935 and later played with Sunshine.