Arthur Keegan was born in Dewsbury, West Riding of Yorkshire, England, and he died aged 69 in Wakefield, West Yorkshire, England.
's 13–30 defeat by Wigan in the 1958–59 Challenge Cup Final during the 1958–59 season at Wembley Stadium, London on Saturday 9 May 1959.
's 7–8 defeat by Hull Kingston Rovers in the 1967–68 Yorkshire Cup Final during the 1967–68 season at Headingley, Leeds on Saturday 14 October 1967.
Arthur Keegan's marriage to Anne (née Bottomley) was registered during fourth ¼ 1966 in Dewsbury district.
They had children; Lucy Keegan (birth registered during first ¼ 1968 (age 56–57) in Dewsbury district), Bridget Keegan (born (1970-11-06) 6 November 1970 (age 54), birth registered during fourth ¼ 1970 in Dewsbury district), and Amelia Keegan (birth registered during fourth ¼ 1972 (age 52–53) in Dewsbury district).