Last name O'Moore (O'Moore 
) , throughout the world, is a rare cognomen. The family name O'Moore is characteristic of Ireland, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom, where it is a very rare surname. In absolute terms, this name is the most popular in Australia, Ireland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| O'Moore | United Kingdom, South Africa, Australia, Ireland, United States |
|
barry o'moore American actor, US (b. 1879) |
|
|
patrick o'moore Irish actor, IE (b. 1909) |
|
| rory r. o'moore (b. 1940) |
|
|
| grace emily o'moore Peerage person ID=353263 |
|
|
| john edmund o'moore Peerage person ID=411479 |
|
|
| garrett o'moore, the o'moore Peerage person ID=353592 |
|
|
| mary o'moore (died 1871) |
|
|
| kathleen o'moore researcher ORCID ID = 0000-0001-5211-9095 |
|
|
| annie sarah o'moore Peerage person ID=411859 |
|
|
| brian o'moore Irish barrister, High Court judge since 2019 |
|
Ben, Bruce, Karen, Kevin, Peter, Randi, Runar, Derek, David, Galen, Jared, Nigel, Holly, Frank, Shelly, Sinead, Stuart, Arnold, Carmen, Claire, Bernie, Kieran, Brian, Barry, Clyde, Clint, Tim, Mark, Mike, Sean, Anne, Adam, Kate, Paul, Rory, Dale, Daniel, Liza, Jill, Erin, Wade, Maria, Margo, Sarah, Shane, Shawn, Aidan, Aoife, John, and Darren