Cognomen Delhanty (Delhanty 
) , globally, is a very rare surname. The cognomen Delhanty is habitual in Netherlands, where it is a very rare surname, Canada, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Delhanty | United Kingdom, United States, Canada, Argentina, Netherlands |
| kate delhanty British painter, GB (b. 1928) |
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| denys delhanty (b. 1925) |
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| joy delhanty clinical cytogeneticist (b. 1937) |
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| joy da delhanty researcher (ORCID 0000-0002-7999-0443) |
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