Family name Boulaye (Boulaye 
) , globally, is a rare surname. The family name Boulaye is characteristic of Mauritania, where it is quite a rare surname, France, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Boulaye is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Boulaye | Mali, France, Senegal, Mauritania, Algeria |
| maximilien echalard la boulaye (b. 1612) |
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| maximilien eschalard de la boulaye (b. 1616) |
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| jean-baptiste-louis froc de la boulaye French politician (1763-1847), FR (b. 1763) |
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patti boulaye British-Nigerian actor and singer, GB (b. 1954) |
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| daniel boulaye French politician, FR (b. 1955) |
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| guy boulaye D.Sc. 1970 |
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| paul a. de la boulaye Belgian painter, active late 19th Century, BE |
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