Membership is open to anyone with an interest in genealogy - Thayer roots are not required. Many of our members have interests and expertise that extend across the United States, and worldwide.
Membership Entitles You To
Membership will expire twelve calendar months following receipt of dues, except for those paid in advance.
Join TFA Now Using Our New "Online Join" Feature!
For NEW MEMBERS our new ONLINE JOIN feature is a streamlined, easy-to-use tool offering 3 ways to pay – you can pay using a credit card through PayPal, you can also pay using your own PayPal account, and you have an option to pay by check by printing out an invoice and mailing it and your check, to TFA.
Join By Mail
If you prefer joining by regular mail, complete the the membership application form available HERE, and mail it along with your check to TFA.