So far, there are 18 project members, drawn from the USA, UK, Australia and France. They are grouped as follows:

1. Descendants of William Winnett of co. Kildare, Ireland (born c.1650) - 2 members
2. Descendants of John Winnett of Killaloe, co. Clare, Ireland (b. c.1740) - 2 members
3. Descendant of Barthelemy Vinet of London (b. c.1680) - 2 members
4. Descendant of Thomas Winnett of Holt, Worcs (b 1776) - 1 member
5. Desendant of William Winnett of Pennsylvania (b. c.1745) - 1 member
6. Descendant of John Winnett of Massachusetts (b. c.1755) - 2 members
7. Descendant of Norman Winnett of Tennessee (b. c. 1780) - 4 members
8. Wynniatt - 3 members
9. Whinnett - 1 member