Last name Ostrowska (Ostrowska 
) , around the globe, is a common cognomen. The last name Ostrowska is habitual in Poland, where it is quite a common surname, Ireland, where it is a rare surname, and Sweden. In absolute terms, the name is most common in Poland, the United Kingdom, and the United States. More prevalently, Ostrowska is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ostrowska | Germany, Poland, United Kingdom, United States, Ireland |
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zuzanna ostrowska Polish actress (1842-1920), PL (b. 1842) |
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| helena ostrowska (b. 1815) |
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zofia ostrowska PL (b. 1866) |
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bronisława ostrowska Polish poet (1881-1928), PL (b. 1881) |
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| ludwika ostrowska (b. 1851) |
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ewa maria ostrowska Polish writer, PL (b. 1938) |
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| leokadia maria ostrowska PL (b. 1879) |
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| nina ostrowska Polish Righteous Among the Nations, PL (b. 1898) |
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| maria ostrowska Polish teacher, PL (b. 1906) |
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| maria ostrowska Polish Righteous Among the Nations, PL (b. 1907) |
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małgorzata maria ostrowska Polish singer, PL (b. 1958) |
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eda ostrowska Polish poet (b. 1959), PL (b. 1959) |
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małgorzata ostrowska-królikowska Polish actress, PL (b. 1964) |
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| ewa ostrowska (b. 1907) |
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| bolesława ostrowska Polish Righteous Among the Nations, PL (b. 1920) |
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