shasha 1 | 1 3 Oct 2014 #1My grandfather's name was STANILSAUS WILCZYNSKI. Born 1898 in i think Posnon? died 1947 in New York. I know nothing of his ancestors or parents. He had 2 half brothers that emigrated to the usa with him about 1916. Don't have their names. Can anyone help me find information?Merged: wilczynski name in PosnonLooking for any information on the wilcznski name from Posnon Poland. Departures to United States around 1914 to 1930. Trying to locate my grandfather's ancestors.