DNA
Summary
Coordinating Clay related DNA testing, haplogroup analysis, and paternal-line evidence review.
Leads
John Clay: Coordinator, Workgroup Editor (makes changes to this website page)
Bill Schultz: Co-administrator
Pat Dunford: Co-administrator
Charter
Workgroup Name: DNA – Start Date: 12/15/2025
Scope and Research Question: Promotes Y-DNA testing of all surname Clays, reviews project join requests, adds new test results to the appropriate FamilyTreeDNA Clay Project Subgroup, updates Earliest Know Clay Ancestor (EKCA) Haplogtrees and The Ancient Clays Haplotree.
Type of Workgroup: DNA, Lineage & Records
Evidence Domains: DNA evidence, Analytical synthesis
Coordinator: John S. Clay
The coordinator facilitates workgroup organization, records management and annual report submission to membership.
Collaboration Norms – Participants agree to:
1. Cite sources clearly and consistently
2. Distinguish evidence from interpretation
3. Preserve minority or competing hypotheses when evidence is inconclusive
4. Treat all contributions as provisional unless supported by evidence
Outputs and Reporting
Research notes, DNA interpretations, Open questions and Articles for the POC newsletter. This workgroup will summarize progress for the board when directed and broader membership annually in June.
Duration and Review
Ongoing – will submit findings periodically in the POC newsletter, at Bienneal Business Meetings, and once every year to CFS membership.
This Workgroups may be revised, merged, or concluded as research questions evolve.
Last Activity
April 3, 2026
Evidence Overview
Records: 6
- Composite: 6
Evidence Index (Related Archive Items)
- Composite AI-0003 – Ancient Clays Haplotree
- Composite AI-0004 – John Clay 1613 Haplotree
- Composite AI-0005 – Jonas Clay (1643) Haplotree
- Composite AI-0006 – Other New England Clay Haplotrees
- Composite AI-0007 – England Clay Haplotrees
- Composite AI-0008 – Germany & Netherlands Clay Haplotrees
Evidence Analysis (Timeline)
- UndatedCompositeAI-0003 – Ancient Clays Haplotree
- UndatedCompositeAI-0004 – John Clay 1613 Haplotree
- UndatedCompositeAI-0005 – Jonas Clay (1643) Haplotree
- UndatedCompositeAI-0006 – Other New England Clay Haplotrees
- UndatedCompositeAI-0007 – England Clay Haplotrees
- UndatedCompositeAI-0008 – Germany & Netherlands Clay Haplotrees
Collaboration
Currently no open positions