Family name Udny (אדני 
, Udny 
) , all around the world, is a very rare surname. The last name Udny is habitual in Israel, where it is a very rare surname, Australia, and France, where it is an extremely rare surname. Very seldom, Udny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| אדני | Israel |
| Udny | Argentina, France, Australia |
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robert udny Scottish merchant and art collector, 1725 - 8 January 1802 (b. 1725) |
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| alexander udny, 12th of ilk Peerage person ID=500428 (b. 1703) |
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| john udny Peerage person ID=631321 (b. 1703) |
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| george udny (born 1705) (b. 1705) |
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| john fullarton udny (1727-1800), GB (b. 1727) |
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| george udny British planter and Bengal civil servant (b. 1760) |
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| john robert fullarton udny (1779-1861) (b. 1779) |
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| george udny British civil servant and barrister (b. 1803) |
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| frances hanway udny IN (b. 1818) |
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| richard udny British civil servant in India (b. 1847) |
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| john udny Italian sculptor (1850-1927), IT (b. 1850) |
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| john henry fullarton udny (born 1853) (b. 1853) |
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| john udny, 11th of udny Peerage person ID=562072 |
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| juliana udny Peerage person ID=37367 |
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| margaret udny accused of witchcraft, GB |
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