Demographic Rigor

Data Methodology, Sources & Statistical Limits

We believe complete transparency is the foundation of user trust. Below is the comprehensive technical methodology governing how our demographic statistics, linguistic etymologies, and phonetic pronunciations are compiled.

1. Official US Social Security Administration (SSA) Data

All baby name frequency figures, national rankings, and historical popularity trajectories presented on BabyNameSuggest are compiled directly from the official national data archives distributed by the United States Social Security Administration (SSA) Office of the Chief Actuary.

Core Data Specifications:
  • Temporal Range: 146 annual datasets spanning calendar years 1880 through 2025.
  • Sampling Rate: 100% sample of all Social Security card applications where the year of birth, sex, and state of birth are on record.
  • Latest Data Release: March 2026 release covering births through December 31, 2025.

Mandatory Demographic Qualifications & Limitations

Privacy Suppression Threshold:

To safeguard individual privacy, the SSA strictly excludes any name-sex combination with fewer than 5 occurrences in any calendar year or geographic region. An absence of recorded births in a given year does not mean zero children were named, but that fewer than 5 registrations occurred.

Pre-1937 Historical Underrepresentation:

The Social Security program was created under the Social Security Act of 1935. Consequently, many individuals born before 1937 never applied for a Social Security card, or applied later in adulthood without full birth records. Early historical counts (1880–1936) reflect those who applied for benefits and therefore understate total US births during those decades.

Biological Sex Categories vs. Gender Identity:

Recorded categories reflect biological sex classifications (“Male” or “Female”) entered on Social Security card registration forms at birth. We label these fields as “Boy (SSA Category)” and “Girl (SSA Category)” to accurately reflect the source document without asserting prescriptive claims regarding exclusive gender identity.

2. Etymological Provenance & Meaning Verification

Name meanings and linguistic roots require separate, rigorous scholarly provenance. Many online directories invent meanings or extrapolate folklore based on spelling. On BabyNameSuggest:

  • Audited Peer-Reviewed Sources: Meanings are cross-referenced against historical dictionaries, Wiktionary (CC BY-SA 4.0), and the Nurturepedia Open Baby Names Dataset (MIT).
  • Handling of Multiple & Disputed Traditions: When a name has independent roots across cultures (such as Maya having distinct Sanskrit, Hebrew, and Greek derivations, or Aria having Italian and Persian meanings), each tradition is recorded with its respective cultural attribution rather than artificially blended.
  • Zero LLM Generation: We strictly prohibit using generative AI to produce fabricated etymological tales. If a modern invented name lacks verifiable historical roots, we document it honestly as a modern phonetic creation.

3. Phonetic Pronunciation Standards

Text pronunciations are mapped to the Carnegie Mellon University Pronouncing Dictionary (CMUdict v0.7b), standardizing on North American English (en-US).

Easy-Read English Phonetic Respelling:

Capitalized syllables denote primary stress (e.g., oh-LIV-ee-uh for Olivia, LEE-um for Liam).

International Phonetic Alphabet (IPA):

Standard linguistic IPA transcriptions provide precise acoustic benchmarks (e.g., /oʊˈlɪviə/).