Cognomen Day (Day 
, 戴 
, داي 
, along with others...) , throughout the world, is a prevalent family name. The cognomen Day is habitual in Marshall Islands, where it is a widespread surname, China, where it is a common surname, and Jersey (explore the name in all countries). Measured by absolute frequency, it is commonest in China, the United States, and the United Kingdom. Much less frequently, Day is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Day | United Kingdom, United States, Australia, Indonesia, Myanmar |
| 戴 | China |
| داي | Saudi Arabia, Algeria, Iraq, Sudan, Egypt |
| Дей | Kyrgyzstan, Russia, Kazakhstan, Ukraine, Belarus |
| Дэй | Russia, Kyrgyzstan |
Adays, Dai, Dayes, Dayson, Daý, Daÿ, De, Deason, Dei, Deyes, Die, Dzai, Dày, Dàý, Dàÿ, Dáy, Dáý, Dâý, Dâÿ, Dãy, Dãý, Dãÿ, Día, Dāy, Dầy, Dẫy, Dậy, E-Day, Inday, Jobday, Thursday, Tuesday, Yads, Ďaý, Ďaÿ, Ďaŷ, Ďàý, Ďàŷ, Ďáý, Ďáÿ, Ďâý, Ďâÿ, Ďâŷ, Ďãý, Ďăy, Ďăý, Ďăÿ, Ďăŷ, Đay, Đaý, Đaÿ, Đày, Đàý, Đàÿ, Đáý, Đáÿ, Đáŷ, Đây, Đâý, Đâÿ, Đãy, Đãý, Đãÿ, Đăy, Đăý, Đăÿ, Đạy, Đảy, Đấy, Đầy, Đẩy, Ɗɑy, Даи, Дай, Даы, דאי, دآي, دای, دی, ضاي, กาละวัน, ณะวัน, ด่าววัน, ตวัน, ทบวัน, ทาวัน, ทิวาฤกษ์รัศมี, ทิวาลัย, นิจวัน, นิพนธ์ทิวากาล, นิวัน, ประวันเณย์, ประวันเนา, มะวัน, ยามวัน, ริวัน, วัน, วันจะนาบี, วันทนะ, วันทนิตย์, วันทยวาท, วันทยา, วันทะมาตย์, วันทะมาศ, วันทาปัด, วันทิตย์, วันทโภคาธรรม, วันนะ, วันนาศ, วันมาน, วันรักษ์เจริญรุ่ง, วันเจริญ, วันเจียม, วันเดช, วันเต, สาระวัน, หวัน, อวัน, เดวัน, เทวัน, เสวตวัน, ဒယ္, ដាយ, ダイ, 三十, 达伊, 黛, Ｄay, Ｄāy, Ｄāｙ, and Ｄǎy
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john day English Protestant printer; (1522-1584), GB (b. 1522) |
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| george day Bishop of Chichester (b. 1502) |
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john day English dramatist, GB (b. 1574) |
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| william day English cleric, Provost of Eton College and Bishop of Winchester, GB (b. 1529) |
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| richard day English printer (b. 1552) |
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| angell day English stationer and writer (b. 1563) |
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| john day English clergyman; (1566-1628) (b. 1566) |
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| stephen day First British North American printer, US (b. 1594) |
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| gamaliel day Noord-Nederlands; schilder (b. 1595) |
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| william day English cleric and biblical commentator (b. 1605) |
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| francis day English colonial administrator (b. 1605) |
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| matthew day Church of England clergyman and schoolmaster (b. 1611) |
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| thomas day English Member of Parliament (c1628-1709) (b. 1628) |
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| matthew day (b. 1619) |
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| john day 15 Apr 1654 Dedham, MA - 11 Sep 1727 Wrentham, MA (b. 1654) |
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