Perhaps you are interested in joining the Mayflower family societies. Some do not require proven genealogies

Alden Kindred of America

Allerton Family Association

Billington Family Association

Governor William Bradford Compact

Elder William Brewster Society

Peter Brown Society

Pilgrim Francis Cooke Society

Pilgrim Edward Doty Society

The Eaton Society

The Fuller Society

Pilgrim Hopkins Heritage Society

Pilgrim John Howland Society

The Thomas Rogers Society

Pilgrim Henry Samson Kindred

Soule Kindred of America

Myles Standish Society

Warren Cousins

William White Society