Family name Mahony (Mahony 
, מהוני 
, Махони) , around the world, is quite a common cognomen. The cognomen Mahony is habitual in Ireland, where it is quite a common surname, British Virgin Islands, and Australia, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Ireland, Australia, and the United States. Very seldom, Mahony is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahony | Australia, Ireland, Canada, United States, United Kingdom |
| מהוני | Israel |
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cecilia mahony, comtesse mahony (1740-1789) (b. 1740) |
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| john joseph mahony, comte mahony (born 1699) (b. 1699) |
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francis sylvester mahony Irish journalist (b. 1804) |
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| wilhelm mahony (1760-1796) (b. 1760) |
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| peirce mahony Irish politician (b. 1792) |
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james thomas mahony politician in Massachusetts, US (b. 1843), US (b. 1843) |
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| james mahony 19th century artist (b. 1810) |
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john mathew mahony Vicar general diocese of Hamilton, Ontario, CA (b. 1862) |
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frank p. mahony Australian artist (1862-1916), AU (b. 1862) |
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harold mahony Irish tennis player (1867-1905), GB (b. 1867) |
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marion mahony griffin American architect and artist, US (b. 1871) |
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| dennis mahony American politician, writer and newspaper publisher, US (b. 1821) |
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| edmund mahony (b. 1813) |
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frederick c. mahony politician in Massachusetts, US, US (b. 1875) |
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william mahony Australian politician, AU (b. 1877) |
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