Around the globe, Houldsworth (Houldsworth 
) is an extremely rare unknown gender first name. Much more frequently, Houldsworth is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Houldsworth | Australia, Canada, United Kingdom, United States, New Zealand |
| sir henry hamilton houldsworth, 2nd bt. (1867-1947) (b. 1867) |
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| sir william thomas reginald houldsworth, 3rd bt. (1874-1960) (b. 1874) |
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| sir hubert houldsworth, 1st baronet British politician (b. 1889) |
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| sir reginald douglas henry houldsworth, 4th bt. (1903-1989) (b. 1903) |
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| sir basil houldsworth, 2nd baronet British politician (b. 1922) |
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| sir richard thomas reginald houldsworth, 5th bt. (born 1947) (b. 1947) |
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| hazell mary fiona houldsworth (born 1954) (b. 1954) |
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| unknown son houldsworth Peerage person ID=556452 |
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| unknown son houldsworth Peerage person ID=556543 |
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