Public records guide / Identity matching

Accuracy guide

Identity Matching: How to Reduce Mistaken Background-Check Matches

A shared name does not establish identity. Responsible research compares several independent details and reports uncertainty instead of forcing a conclusion.

Strong and weak matching signals

Exact date of birth, a consistent address history, middle name, jurisdiction, and event timing may strengthen a match when considered together. A common name or approximate age alone is weak evidence.

Why records conflict

Clerical errors, aliases, name changes, abbreviated names, reused addresses, incomplete dates, delayed updates, and data aggregation can create conflicts. The absence of a field does not necessarily disprove a match, but it reduces confidence.

A responsible matching workflow

  1. Start with known, lawfully obtained identifiers.
  2. Compare multiple independent fields.
  3. Look for contradictions as carefully as similarities.
  4. Trace important results to the originating source.
  5. Label possible, likely, and unresolved matches accurately.

Learn how human review works and why accuracy varies.

Educational information only; not legal advice. Reviewed August 27, 2026.Editorial standards · Important notices