Heritage Passport Research

Original, sourced research for families deciding whether to pursue citizenship by descent and how to gather the records that prove it.

The Hidden Heirs: Millions of Americans May Qualify for Citizenship by Descent

A country-by-country estimate of Americans who may hold an inherited citizenship right.

July 2026

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Vital-record markups: what six services charge for the same request

A line-by-line comparison of government fees, preparation charges, and known delivery costs.

August 2026

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What will your family’s records cost?

No signup needed. This is a planning estimate, not an eligibility decision.