Canllaw Guide

Discover your Welsh heritage

How to research your Welsh family on Gwirachau, from ancient tribal lineages to modern family connections.

  • 1000+years of Welsh history
  • 186Welsh tribal lineages
  • 7medieval kingdoms
Dechrau Start here

Your research in three steps

Gwirachau combines careful historical research with collaborative genealogy. Whether you're tracing a royal line back to a medieval kingdom or finding your family's tribe, these steps will help you find your way around.

  1. Start with what you know Begin with the names, dates and places you're sure of. Welsh names change a lot, so gather every spelling and variation. Search tips →
  2. Learn the Welsh context Get to know the periods, kingdoms and tribes that shaped your ancestors' lives. Welsh history →
  3. Find the connections Work with other researchers and check family links against more than one source. Join the community →
Chwilio Searching

Research fundamentals

Search now →

Search strategies

  • Name variations: try both Welsh and English forms (Dafydd/David, Gwilym/William)
  • Patronymic patterns: look for "ap" or "ab" (son of) in older records
  • Location context: use historical county names and parish boundaries
  • Date flexibility: allow for calendar changes and recording delays

Source types

  • Parish registers: baptisms, marriages and burials from 1538
  • Census records: household details, 1841–1921
  • Civil registration: birth, marriage and death certificates from 1837
  • Estate records: manorial documents and land transactions
Gair i gall A word from Bran

Welsh surnames often come from a place or from a father's name.

Knowing these patterns helps you spot possible family links and where to look next.

Hanes History

Historical context

How Welsh society was organised

Welsh society was built around kingdoms (teyrnasoedd), tribes (llwythau) and land divisions called cantrefi and commotes. Unlike English feudalism, Welsh law recognised kinship-based inheritance and obligations. Knowing these structures helps you read the records and spot family connections.

Welsh kingdoms

Seven early kingdoms formed post-Roman Wales: Gwynedd, Powys, Dyfed, Ceredigion, Morgannwg, Ystrad Tywi and Gwent. Each had its own royal dynasties and traditions.

Tribal structure

186 patriarchal lines trace descent from legendary founders. Their carefully kept pedigrees link medieval nobility to modern Welsh families.

Cydweithio Working together

Collaborative research

Community guidelines →

Source integrity

Each historical source can be linked to only one person per role, which stops a common genealogy mistake.

How it works →

Community checking

Researchers weigh the evidence together, settle conflicts and agree on connections in open discussion.

Consensus →

Expert guidance

Experienced Welsh genealogists help newcomers with tricky research and historical context.

Always growing

The database grows through community contributions, covering Welsh families of every rank and period.

Collaboration guidelines

Focus on evidence rather than preferences. Present sources clearly, ask about others' research, and be ready to change your conclusions when someone shows stronger documentation. Respectful discussion leads to better results for everyone.

Uwch Going further

Advanced research

Why Welsh research needs its own method

Welsh genealogy needs an understanding of patronymic naming, territorial government and legal systems that differed a great deal from English practice. Gwirachau gives you not just records but the historical context you need to read them correctly.

Ymlaen Next

Begin your Welsh heritage discovery

Join thousands of researchers exploring the family history of Wales.