In the entire world, Hillier (Hillier 
, Хиллер 
, הילייר 
) is a very rare gender-neutral first name. The forename Hillier is habitual in Australia, where it is a very rare girly name, and China, where it is an extremely rare male name. Much more prevalently, Hillier is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hillier | United Kingdom, Australia, United States, Canada, New Zealand |
| Хиллер | Kazakhstan, Russia |
| הילייר | Israel |
Hillier is also a name for the fictitious and mythical characters: Hillier , the musical character in the musical Betty by Paul Rubens.
| bevis hillier British art historian, US (b. 1940) |
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| graham hillier British artist, GB (b. 1946) |
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| roy hillier (died 1973) |
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| grant h. hillier economist |
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| curry william hillier British Royal Navy officer, commander in 1814 |
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| marston c hillier researcher |
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