Daryl Hannah | Daryl Somers | Daryl Hall | Daryl Thompson | Daryl Johnston | Daryl Dawson | Daryl Reaugh | Daryl Metcalfe | Daryl Braithwaite | Daryl Wein | Daryl Smith | Daryl Peach | Daryl Morey | Daryl Lindsay | Daryl Katz | Daryl Cagle | Daryl Vaz | Daryl Taylor | Daryl Seaman | Daryl Kramp | Daryl Jackson | Daryl Homer | Daryl Hine | Daryl Evans | Daryl Dragon | Daryl Copeland | Daryl Bennett |
O'Brien made his debut for the national side in March 2005 following injuries to senior international players, such as Shane Bond, Daryl Tuffey and Chris Martin but has been in and out of the side since to replace injured and retired players.