Last name Boase (Boase 
, بويس 
) , around the world, is quite a rare cognomen. The family name Boase is habitual in Australia, where it is quite a rare surname, New Zealand, and the United Kingdom, where it is a rare surname. In absolute terms, it most frequently occurs in Australia, the United States, and the United Kingdom. Very seldom, Boase is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Boase | United Kingdom, United States, Australia, South Africa, Canada |
| بويس | Sudan, Morocco |
| john josias arthur boase English banker (1763-1827) (b. 1763) |
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| henry boase banker (b. 1763) |
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| henry samuel boase English geologist (b. 1799) |
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| john josias arthur boase English banker (1801–1896), GB (b. 1801) |
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| george clement boase banker and minister (1810-1880), GB (b. 1810) |
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| george w. boase (1826-1906) (b. 1826) |
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| charles william boase English antiquarian and librarian (b. 1828) |
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| george clement boase British bibliographer and antiquary, GB (b. 1829) |
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| elizabeth boase (1831-1916) (b. 1831) |
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| frederic boase English librarian and biographer (b. 1843) |
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allan boase Australian Army, AU (b. 1894) |
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| mary ellen boase (1851-1918) (b. 1851) |
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| james william boase (born 1852) (b. 1852) |
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| john wesley boase (1856-1924) (b. 1856) |
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| george boase (born 1858) (b. 1858) |
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