Which court processed naturalization records for Hudson County, New Jersey after 1906?
Familysearch.org has naturalization records from the Hudson Co Court of Common Pleas through June 1907 FamilySearch Catalog: Naturalization papers, 1834-1907 — FamilySearch.org.
After that naturalizations would have been through US District or Circuit Court
Federal naturalization records for New Jersey 1914-1982 are available at FamilySearch Catalog: New Jersey, naturalization records : NARA RG21 M2123 — FamilySearch.org
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