LAST UPDATED: 15 Jul 2026

READ BEFORE CLICKING JOIN

Hello and thanks for visiting the CORCA LAIDHE regional yDNA project. We appreciate the time you are taking to carefully read our materials. We welcome the participation of eligible and interested men.

Corca Laidhe is a REGIONAL STUDY of an archaeogenetic nature dealing with multiple surnames, multiple Y haplotypes and haplogroups. Findings might be presented at genealogical conferences and talks or published on websites beyond FTDNA.

EXPECTATIONS. PROJECT MEMBERS ARE EXPECTED TO:

1. Read the materials here (this page, Background, Goals, and FAQ) and ask questions if something is not clear.

Reading those pages will help you decide if you are interested in this project.

Read the FAQ page BEFORE clicking Join to get the REQUIRED permission text that must be submitted with your join request.

2. Have some experience with FTDNA Y-DNA testing and understanding their results.

3. Have some experience with genealogy research. Use the links in the sidebar for assistance.

4. Participate fully. Share information in a project-friendly manner. See the FAQ and the help pages linked to it.

5. Understand that NO EXCEPTIONS ARE MADE - on surname, eligibility, etc.

6. Bear an innate interest in Cork, Munster, and Ireland genetic history.

Your paternal line ancestry is presumably from somewhere within the British Isles.

Knowledge of the exact location (townland, parish, county, shire) is NOT required.

Known paternal line ancestry from the Corca Laidhe region is NOT required.

WHAT THIS PROJECT IS NOT. This is NOT a project for a DNA novice.

This is NOT a yDNA surname project.

This is NOT a Cork surname project or Munster surname project (though some of those names will certainly be among the Corca Laidhe names.)

This is NOT a single Y haplogroup / branch project.

This is NOT an autosomal or mitochondrial DNA project.

REQUIREMENTS. The tester must:

1. Carry a Corca Laidhe surname as his direct paternal line name.

2. Have a FTDNA yDNA test of BIG Y already completed or on order from FTDNA.

3. Participate fully in the project. Share information. Fill in all information in your account as described in the FAQ. Submit the permission text in the FAQ in your JOIN request.

NO EXCEPTIONS on the surname for name changes, adoptions, etc and NO EXCEPTIONS on the testing or name requirements or permission submitted. It is not sufficient to have a Corca Laidhe surname elsewhere in your ancestry.

INTERESTED IN CORCA LAIDHE RESEARCH BUT NOT ELIGIBLE? You can subscribe to our external groups chat and visit our external website.

If you have Cork ancestry and you have other genetic tests, see the resources at Cork Ireland. Search FTDNA for haplogroup projects relevant to your Y haplogroup.

If you want genealogy research help, see our LINKs. We do not provide assistance with your genealogy research via private email, though we may on occasion (time permitting) lend a hand to a project member.

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Historically, project growth and development have been slow. The project got a major overhaul in 2018, sharpening the project goals and consequently boosting and tightening up eligibility requirements. Testing requirements were tightened in 2024. Expect work and updates to REMAIN VERY SLOW.

Prospective members who have any questions about the project AFTER reading the materials here should email Susan at sjbgeneticgenealogy@gmail.com. If you expect us to see your email and want a reply, copy and paste the exact phrase CORCA LAIDHE PROJECT into the subject line of your email. Otherwise it will be deleted as spam. Emails must be BRIEF. Do NOT send attachments. Other than for project members, we do NOT advise on your own DNA results by private email. Search FTDNA for relevant surname and haplogroup projects or check our LINKS.

We wish you BEST OF LUCK with your research!