Hello and thanks for your interest in the CORCA LAIDHE, an ancient kingdom of Ireland that once existed in what is now mainly southwest Ireland. This is an ADVANCED project for EXPERIENCED Y DNA testers bearing SPECIFIC surnames with a genuine interest in a SPECIFIC REGION OF IRELAND plus a willingness to SHARE their Y data and paternal line research. Read the FAQ page COMPLETELY - BEFORE you click JOIN. Read the BACKGROUND and GOALS pages at your leisure. We collect and collate your anonymized data over time, present it and share it. Historically, project growth and development have been slow. The project got a major overhaul in 2018. We expect work and updates to remain slow. We welcome the participation of eligible and interested men. BEFORE YOU CLICK JOIN - please send Susan a BRIEF email (email@example.com) NO ATTACHMENTS if you have questions. Put CORCA LAIDHE PROJECT on the subject line of your email. Thank you in advance for taking the time to carefully read our materials.