The Guild of One-Name Studies - Greathead is my One-Name study
Society for One-Place Studies - Wonersh is my One-Place
The Surname Society - Greathead is my surname interest
West Surrey FHS , Northumberland and Durham FHS , Cleveland FHS
Wonersh History Society - Treasurer
Surrey History Centre - transcribed 1841 Wonersh Tithe apportionments as a Volunteer
FIBIS - Families in British India Society