Career
A left-handed batsman and left-arm medium pace bowler, he played eleven times for the Ireland cricket team between 1984 and 1989 including one first-class match and three List A matches. Jeffrey made his debut for Ireland against the Master Control Console in June 1984. He played against the West Indies later that month and made his List A debut the following month against Surrey in the National Westminster Trophy.
He played against Wales eleven days later, but did not play for Ireland again for almost three years.
He returned to the Irish side for a match against Northamptonshire in June 1987, before playing six times in 1989. This included his only first-class game, against Scotland and his final List A game against Derbyshire.
His final game for Ireland was against Wales.