Teams Tim O'Brien played for

TestEngland (1884-1895/96)
Main FCMiddlesex (1881-1898)
 Oxford University (1884-1885)
Other FCMarylebone Cricket Club (1883-1905)
 WG Grace's XI (1883)
 Gentlemen (1884-1896)
 England (1884-1895/96)
 South (1884-1893)
 Non-Smokers (1884)
 MB Hawke's XI (1885)
 Gentlemen of England (1885-1892)
 AJ Webbe's XI (1887-1890)
 GF Vernon's XI (1887/88)
 CI Thornton's XI (1890-1896)
 Lyric Club (1890)
 The Rest (1892)
 Married (1892)
 I Zingari (1895)
 Lord Hawke's XI (1895/96)
 Earl de la Warr's XI (1896)
 Ireland (1902-1907)
 LG Robinson's XI (1914)
County ChampionshipMiddlesex (1890-1898)
MiscellaneousKensington Park (1879-1880)
 Middlesex Colts (1881)
 Marylebone Cricket Club (1881-1912)
 Harlequins (1886-1887)
 Gentlemen of Marylebone Cricket Club (1887-1904)
 Government House Victoria (1887/88)
 GF Vernon's XI (1887/88)
 Middlesex (1888-1890)
 Lyric Club (1891)
 I Zingari (1893-1913)
 Lord Hawke's XI (1895/96)
 Allestree (1898)
 Lord Lieutenant's XI (1902)
 Ireland (1903-1905)
 E Miller-Mundy's XI (1904)
 SH Cochrane's XI (1907)
 Free Foresters (1911)
 Army Service Corps Officers (1915)