Born at Dublin, Ireland in 1861, Sir Timothy Carew O'Brien, brother of J.G. (Ireland) and brother-in-law of C.E. de Trafford (Warwickshire and Leicestershire) was an attractive middle order right-handed batsman and useful left-arm bowler. He attended Downside School, before going on to Oxford University. He attained blues both years in 1884 and 1885. He represented Middlesex in 156 matches between 1881 and 1898 scoring 7,377 runs (av. 29.63) with ten hundreds and with a top score of 202 versus Sussex at Hove in 1895. He also took 2 wickets (av. 136.00) and he held 111 catches and took 2 stumpings. He hit 1,000 runs in a season three times with a best of 1,150 (av. 27.38) in 1884. Playing five Tests for England, one as captain, between 1884 and 1895/96, he scored 59 runs (av. 7.37) with a highest score of 20 and he held 4 catches. He toured abroad twice; with Vernon to Australia in 1887/88 and Lord Hawke to South Africa in 1895/96. He also represented Ireland in first-class matches between 1902 and 1907. He became Sir Timothy after succeeding to the baronetcy on the death of his uncle Patrick. His last first-class match was for L. Robinson's XI when he scored 90 and 111 in 1914. He died at Ramsay, Isle of Man in 1948.