What you have in way of US documents: church marriage record, arrival manifest, church baptismal record, naturalization intent & petition, social security numbers -SS-5Form? https://familysearch.org/search/record/results?count=20&...
41 WAJSs, 90 SMIGIELs arrived NY Ellis Island. www.ellisislandrecords.org
Do take a look maybe your ancestor is among them. If not than Baltimore, Boston or Philadelphia port you might want to take a look.
Your grandmother in SSDI? Her SS-5Form [ $27 ] would have her place of birth and parents names.
Born: 1894 Died: 1981
State of last residence: Michigan
State issued: Michigan