Last name Jay (Jay 
, Jai , 傑 
, among others...) , worldwide, is a widespread surname. The family name Jay is habitual in Brunei, where it is quite a common surname, British Virgin Islands, and Jamaica (explore the name in all countries). In absolute terms, the name is most common in India, Indonesia, and the United States. More prevalently, Jay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jai, Jay | Indonesia, India, Philippines, United States, Myanmar |
| 傑 | China |
| جاي | Egypt, Algeria, Sudan, Libya, Saudi Arabia |
| ジェイ | Japan |
| जय | India |
| Джей | Ukraine, Russia, Kazakhstan, Belarus |
| ג'יי | Israel |
Gai, Gaius, Gay, Gei, Jayceon, Jayde, Jaylee, Jaylene, Jaylynn, Jayson, Jaý, Jaÿ, Jeh, Jy, Jày, Jàý, Jàÿ, Jàŷ, Jáy, Jáý, Jáÿ, Jây, Jâý, Jâÿ, Jãy, Jãý, Jãÿ, Jãŷ, Jāy, Jāý, Jāÿ, Jăy, Jăý, Jąy, Jąý, Jǎy, Kay, Yay, Ĵay, Ĵaý, Ĵàỳ, Ĵáy, Ĵáý, Ĵáŷ, Ĵâý, Ĵâÿ, Ĵãý, Ĵãÿ, Ĵăy, Ĵăÿ, Ĵăŷ, Ĵǻŷ, Йаы, Яи, Яы, تيفون, جآي, جأي, جاى, جای, جيه, जे, জে, กจจรญ, เจย์, เจ้ย, ဇယ္, ジャイ, 杰, 杰., 杰伊, Ｊay, Ｊāｙ, and Ｊａｙ
| thomas jay English politician (b. 1301) |
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| claude le jay 1505-1552 French Jesuit, FR (b. 1504) |
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| nicolas le le jay (b. 1574) |
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augustus jay grandfather of John Jay 1665-1751 (b. 1665) |
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| sarah jay Peerage person ID=553003 (b. 1620) |
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| jeanne jay 1645- (b. 1644) |
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| henri-guillaume le jay French catholic priest (1646-1693), FR (b. 1646) |
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| gabriel françois le jay FR (b. 1657) |
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james jay Colonial American physician, US (b. 1732) |
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john jay chief justice of the United States from 1789 to 1795, US (b. 1745) |
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| frances jay 26 Feb 1702 New York - 2 Aug 1780 (b. 1702) |
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| peter jay (1704-1782) (b. 1704) |
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louis-joseph jay French school teacher, FR (b. 1755) |
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sarah jay wife of Supreme Court Justice John Jay, US (b. 1756) |
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william jay English nonconformist clergyman (1769-1853), GB (b. 1769) |
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Sah, Martin, Mandal, Mahato, Miller, Mishra, Sharma, Kishan, Pandey, Paswan, Prasad, Taylor, Thakur, Thomas, Harris, Wilson, Shankar, Prakash, Jackson, Johnson, Narayan, Anderson, Yadav, Thompson, White, Gupta, Kim, Pal, Ram, Ray, Das, Lal, Lee, Shah, Shri, Sinh, Devi, Mahto, Moore, Singh, Smith, Chand, Brown, Karan, Kumar, Patel, Davis, Jones, and Williams