I don't know about the connection here. My grandmother had a sister who came to live in Adams, MA in about 1910. She was by all accounts single and the surname would have been Jzyk...as Zdon was my grandmother's married name. The Zdon family that came through Ellis Island in 1910 may have been related to my grandfather, but I don't really know for sure. Neither of my grandparents came through Ellis Island. They were brought here by the mills when the mills were going to Europe and paying the passage of immigrants who would agree to work in the mill. That practice was ultimately outlawed, and immigrants began coming through Ellis Island.
The "Iwan" name was more likely Ivan, as "w" is pronounced "v" in polish. I suppose it is not beyond the realm of possibility for Ivan to become Walter. However, I don't think these people are in my family line, unless you have a known link to Adams, MA or the Ware, MA area. Thanks.