Ronald Samuel Marshall Lay (18 February 1917 – 9 November 1996) was an English cricket umpire.
[3] He first officiated in first-class cricket in 1953, standing in the match between Northamptonshire and Scotland at Peterborough.
He was appointed to the first-class list of umpires in 1956 and proceeded to stand in 303 first-class matches between 1956 and 1968, predominantly in the County Championship.
[4] He additionally stood in 12 List A one-day matches between 1963 and 1968.
[5] He missed part of the 1964 season after being struck on the foot and injured by a ball which had been straight driven by Ted Dexter.