After emigrating to England he joined the St Finbarr's club in Coventry and won a Wawrwickshire SHC medal in 1955.
Boothman returned to St Columba's the following year and was part of the club's first ever Dublin SHC success.
[4] At adult level, Boothman played with the Warwickshire team beaten by Cork in the 1955 All-Ireland JHC final.
[5][6] After returning to Ireland, Boothman made his Dublin senior hurling team debut in 1956 and quickly became a regular.
[8][9] His brother, Achille Boothman, also played hurling with St Columba's, Dublin and Leinster.