Last name Horlay (Horlay 
) , worldwide, is a very rare family name. The cognomen Horlay is habitual in Belgium, where it is a rare surname, and Venezuela, where it is an extremely rare surname. Much less frequently, Horlay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Horlay | Brazil, Belgium, Venezuela, Ecuador |
| horlay béla Hungarian pulmonologist, internist (1914-1978), HU (b. 1914) |
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