Family name O'Donovan (O'Donovan 
, О'Донован 
) , all around the world, is quite a common last name. The family name O'Donovan is habitual in Ireland, where it is quite a common surname, North Macedonia, where it is quite a rare surname, and Australia. Not in comparison with a country's population, it is commonest in Ireland, the United Kingdom, and Australia.
| daniel o'donovan, the o'donovan (1703-1778) (b. 1703) |
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| mary o'donovan (1730-1761) (b. 1730) |
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| richard ii o'donovan British general (b. 1768) |
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jeremiah o'donovan rossa Irish Republican Brotherhood member, editor (1831-1915), IE (b. 1831) |
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ricardo o'donovan Peruvian politician, PE (b. 1836) |
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william rudolph o'donovan American sculptor (1844-1920), US (b. 1844) |
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| melian o'donovan (1797-1859) (b. 1797) |
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| william jones o'donovan (1799-1852) (b. 1799) |
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john o'donovan police commissioner, NZ (b. 1858) |
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| henry winthrop o'donovan, the o'donovan (1812-1890) (b. 1812) |
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louis o'donovan American religious historian, US (b. 1872) |
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| denis o'donovan Irish-born parliamentary librarian and writer in colonial Australia, IE (b. 1836) |
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| john o'donovan (1836-1912) Catholic priest (b. 1836) |
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| edmund o'donovan Irish war correspondent (1844-1883), IE (b. 1844) |
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seamus o'donovan Irish republican, IE (b. 1896) |
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