Is your Surname registered?

Our 2,743 members have registered
2,395 study surnames with us
and a further 6,089 variant names.

What is a One-Name Study?


Family historians generally focus their efforts on researching their own family trees, collecting and analysing data in order to find as much detail as possible on every branch, twig or tiny leaf. Others compile surname studies, which seek all occurrences, past and present, of a single surname, anywhere in the world.

How to Join


Join us and become part of a worldwide group of enthusiastic one-name researchers. You do not have to register a study name to join.

Guild members benefit from regular seminars, a quarterly journal, an annual conference plus offers and discounts.

About the Guild


The Guild of One-Name Studies is the worldwide centre of excellence in one-name studies and promotes the interests of both the individuals and groups who are engaged in them. Established in 1979 and registered as a charity in 1989, the Guild provides its members with the means to share, exchange and publish information...

Dates for your diary

  • 20 Mar 2018 – Now What? Do Something With Your Data (Webinar)
  • 23 Mar 2018 – National Treasures- 2018 Conference
  • 24 Mar 2018 – National Treasures- 2018 Conference
  • 25 Mar 2018 – National Treasures- 2018 Conference
  • 15 Apr 2018 – Spring Regional Meeting in Gloucestershire - note date change
  • 17 Apr 2018 – Using DNA With Your One-Name Study (Webinar)
  • 12 May 2018 – Trade and Industry Seminar
  • 12 May 2018 – Wales Family and Local History Fair
  • 15 May 2018 – Sharing The Joy: Getting The Word Out About Your Study (Webinar)
  • 02 Jun 2018 – Shropshire FHS Family History Fair 2018
To commemorate the centenary of World War 1, in 2014, the Guild set up a special website at where members can submit stories about the wartime life and service of people in our studies.

Guild Website in “Top 50”

The June 2017 edition of Family Tree has named the Guild's website as one of the "50 best websites for family history".