Family name Kosinska (Kosinska 
) , across the world, is quite a rare surname. The family name Kosinska is characteristic of Poland, where it is quite a rare surname, Latvia, and Ireland, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Poland, the United Kingdom, and the United States. More prevalently, Kosinska is the forename as well as the last name.
Ewa, Barbara, Grazyna, Jadwiga, Jolanta, Eugenia, Henryka, Izabela, Urszula, Marianna, Czeslawa, Krystyna, Genowefa, Leokadia, Elzbieta, Wieslawa, Miroslawa, Agnieszka, Katarzyna, Kazimiera, Malgorzata, Stanislawa, Mariola, Helena, Halina, Emilia, Anna, Maria, Marta, Alina, Beata, Hanna, Irena, Iwona, Wanda, Zofia, Aleksandra, Monika, Alicja, Bozena, Renata, Regina, Danuta, Dorota, Lucyna, Janina, Joanna, Teresa, Sylwia, and Wladyslawa