our service

our service

our service

Citizenship Applications

Transforming family history into global opportunity

More and more Americans are exploring second citizenship through ancestry. Erin International supports attorneys and legal professionals with the genealogical research needed to prove eligibility for citizenship in countries outside of the United States. We uncover, verify, and document family connections, helping your clients secure alternative citizenship when required.

Our service includes:

  • Vital Records Research across the U.S. and internationally to locate birth, marriage, and death certificates

  • Eligibility Verification based on each country’s generational and residency laws

  • Certified Kinship Reports tailored to consular standards

  • Support for Complex Lineages including name changes, lost records, and migration trails

  • Fast, Reliable Results that reduce attorney workload and client uncertainty

Why choose Erin International?

We’re not just heir tracers, we are ancestry experts with a global reach. Our experience with Irish-American and European family histories gives us a distinct edge in citizenship-by-descent cases. With flexible pricing and a commitment to accuracy, Erin International empowers legal professionals to deliver results their clients can count on—especially in high-pressure, time-sensitive situations.

Help your clients unlock a second passport

Partner with Erin International for trusted genealogical support on citizenship applications.

Contact our New York office at (646) 435-3005 or email info@erininternational.com for a free consultation. We’ll trace the roots so your clients can expand their future.

Partner with trusted experts

Partner with trusted experts

Whether you're tracing heirs, verifying kinship, or resolving estate complexities. Our team is here to support you.

Seeking lost heirs?

Uniting heirs with
what is rightfully theirs

Seeking lost heirs?

Uniting heirs with
what is rightfully theirs

Seeking lost heirs?

Uniting heirs with
what is rightfully theirs