Surname Ostroy (Ostroy 
) , all over the world, is a very rare cognomen. The surname Ostroy is characteristic of Northern America, particularly the United States, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ostroy | Canada, United States |
| joseph ostroy economist (University of California-Los Angeles (UCLA)) |
|
|
| joseph martin ostroy Ph.D. Northwestern University 1970 |
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