Last name Bowlby (Bowlby 
) , all around the world, is quite a rare family name. The surname Bowlby is characteristic of Canada, where it is a rare surname, the United States, and New Zealand. Measured by absolute frequency, it most frequently occurs in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
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| Bowlby | Canada, New Zealand, United States, Australia, United Kingdom |
| richard bowlby (born 1588) (b. 1588) |
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| john bowlby (born 1592) (b. 1592) |
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| helen bowlby (born 1594) (b. 1594) |
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| helen bowlby (born 1626) (b. 1626) |
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| robert bowlby (born 1628) (b. 1628) |
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| george bowlby (born 1631) (b. 1631) |
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| bryan bowlby (born 1633) (b. 1633) |
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| jordan bowlby (born 1637) (b. 1637) |
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| richard bowlby (born 1640) (b. 1640) |
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| thomas bowlby (1698-1730) (b. 1698) |
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| thomas bowlby British Member of Parliament (1721-1795), GB (b. 1721) |
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| richard bowlby (born 1722) (b. 1722) |
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| mary bowlby (1725-1727) (b. 1725) |
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| mary bowlby (1727–1783) (b. 1727) |
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| peter bowlby (1729-1806) (b. 1729) |
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