Genealogical Proof Standard

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The Genealogical Proof Standard (GPS) is a guideline for establishing the reliability ("proof") of a genealogical conclusion with reasonable certainty. It is important within the genealogical community for clearly communicating the quality of research performed, such as by a professional genealogist. It is also useful for helping new genealogists understand what is needed to do high-quality research.

It has five elements:

  • a reasonably exhaustive research;
  • complete and accurate source citations;
  • analysis and correlation of the collected information;
  • resolution of any conflicting evidence; and
  • a soundly reasoned, coherently written conclusion.[1]


  1. ^ "Board for Certification of Genealogists ® - The Genealogical Proof Standard". Retrieved 2016-02-20.

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