Last name Garlock (Garlock 
) , in the entire world, is quite a rare surname. The cognomen Garlock is characteristic of the United States, where it is a rare surname, Canada, and Austria.
| VARIANT | COUNTRY |
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| Garlock | Austria, Canada, United States, New Zealand, United Kingdom |
| john h. garlock (1896-1965) (b. 1896) |
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| h. b. garlock (b. 1897) |
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| ruth e. garlock (b. 1897) |
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| dorothy garlock American writer, US (b. 1919) |
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| john garlock (b. 1924) |
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ryan garlock Canadian ice hockey player, CA (b. 1986) |
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| ruthanne garlock (b. 1937) |
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| lindsay garlock researcher ORCID ID = 0000-0001-7562-8538 |
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| maria moreyra garlock Ph.D. Lehigh University 2003 |
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