All over the world, Ainsworth (Ainsworth 
, Эйнсуорт 
) is a rare boy's first name. The forename Ainsworth is characteristic of Jamaica, where it is quite a rare masculine name, the United States, where it is a very rare masculine name, and the United Kingdom, where it is a very rare mostly masculine, but seldom female name. Much more prevalently, Ainsworth is the last name as well as the forename.
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| Ainsworth | Canada, United Kingdom, Australia, United States, New Zealand |
| Эйнсуорт | Russia |
Ainsworth is also a name for the fictitious and mythical characters: .
| laban ainsworth American clergyman and pastor, US (b. 1757) |
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| seymour ainsworth American businessman (b. 1821) |
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| culbertson thaddeus ainsworth born:1823|died:1850|; Culbertson, Thaddeus A.; Culbertson, Thaddeus A. (Thaddeus Ainsworth), 1823-1850; Culbertson, Thaddeus A. (1823-1850) (b. 1823) |
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walden l. ainsworth United States admiral, US (b. 1886) |
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| danforth e. ainsworth American lawyer and politician, US (b. 1848) |
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| sir thomas ainsworth, 2nd bt. (1886-1971) (b. 1886) |
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stewart ainsworth British archaeologist, GB (b. 1951) |
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| sir john ainsworth, 3rd bt. (1912-1981) (b. 1912) |
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| sir thomas david ainsworth, 4th bt. (1926-1999) (b. 1926) |
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| ross ainsworth Australian politician, AU (b. 1947) |
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| sir anthony thomas hugh ainsworth, 5th bt. (born 1962) (b. 1962) |
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| sterling ainsworth college basketball player (1960–1962) Mississippi |
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| gill ainsworth writer |
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