The last stop on an immigrant’s journey to America, naturalization and citizenship records tell the final chapter of an immigration story. A typical petition for naturalization contains dozens of specifics about your ancestor, from where they lived and what they looked like to their occupation and family members.

Discover how to dissect a naturalization index.

Click to see what you can learn in these detail-rich records.

Citizenship & Naturalization Research Resources

Good to know
Hunting for a naturalization record? Check these fast facts first so you know what you can expect to find. Learn more

Steps to citizenship
Becoming an American required perseverance, patience and paperwork. Follow the path from resident alien to American. Learn more

Citizenship &
Naturalization Stories

Naturalized revelation and an address, too

See the details one member found in a naturalization record — including the place her mother was born.
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