Family name O'Marra (O'Marra 
) , around the globe, is a rare surname. The last name O'Marra is characteristic of Canada, where it is a rare surname, the United States, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| O'Marra | United Kingdom, Canada, United States |
| john l. o'marra (b. 1920) |
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ryan o'marra Canadian professional ice hockey centre, CA (b. 1987) |
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Mr, Susan, Allan, Bobbi, Kelly, Keith, Peter, Regan, Danna, Diana, Laura, Janet, James, Nancy, Helen, Irene, Quinn, Meghan, Aileen, Audrey, Shana, Cheryl, Sasha, Molly, Dan, Joe, Jim, Tom, Mary, Mark, Mike, Mphc, Sean, Paul, Ryan, Dave, Lynn, Jack, John, Jody, Tina, Erin, Marie, Megan, and Carrie