Data Sources

World Names uses publicly available data sets to provide name information from around the world. All data sources used on this site are either in the public domain or used under open licenses.

United States First Names

Source: U.S. Social Security Administration, Baby Names Data (Public Domain)

Lists first names from SSA birth records with gender classification and popularity ranking based on frequency of use in Social Security card applications.

United States Last Names

Source: U.S. Census Bureau, 2010 Census Surnames (Public Domain)

Lists surnames from the 2010 Census data with frequency counts and demographic distribution information.

Etymology & Meanings

To be added. Wiktionary via kaikki.org (CC-BY-SA). Etymological data and name meanings extracted from Wiktionary entries.

License & Attribution

U.S. government data sets (SSA, Census Bureau) are in the public domain and not subject to copyright. Wiktionary-derived content will be attributed under the CC-BY-SA license.

Note: Behind the Name is NOT used as a data source on this site, in compliance with their copyright and terms of service.