Last name Bonnycastle (Bonnycastle 
) , in the entire world, is a very rare family name. The family name Bonnycastle is habitual in Canada, where it is a rare surname, the United States, where it is an extremely rare surname, and the United Kingdom.
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| Bonnycastle | United Kingdom, Canada, United States |
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john bonnycastle British maths teacher, GB (b. 1751) |
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richard henry bonnycastle British military officer in Canada (1791-1847) (b. 1791) |
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| charles bonnycastle (1792-1840) (b. 1792) |
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| angus l. bonnycastle Canadian politician, CA (b. 1873) |
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| richard h. g. bonnycastle Canadian lawyer, fur trader and adventurer (1903-1968), CA (b. 1903) |
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| richard a. n. bonnycastle Canadian businessman, CA (b. 1934) |
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| lori l bonnycastle researcher (ORCID 0000-0003-0663-3944) |
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| lori l bonnycastle researcher |
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Mr, Vicki, Wanda, Sherry, Amanda, Louise, Janell, John C, Michael, Cynthia, Beverly, Katrina, Kristie, Richard, Deirdre, Jeffrey, Heather, Michelle, Emily, Jocey, David, R A N, Wm, Ron, Dan, Lan, Joe, Ian, Anne, Adam, Sharlene, Kate, Dale, John, Will, Angus, Annie, Colin, Brady, Brian, Rick, and Geoffrey