Thank you for helping us build a global resource for people researching the Threlkeld and variant surnames.
Though most items are optional, we hope you complete as many as you can.
Fields marked with * are required
Your username needs to be a minimum of 4 characters. Letters, numerals, periods, hyphens, underscores, and spaces are allowed. If your desired username is already taken, we will notify you by email.
Note that a password conforming to our minimum requirements will be created for you, and mailed to you with your registration confirmation.

As a Study member, you're entitled to a free, forwarding email address like Any mail sent to that address will route automatically to your regular address. Your desired free email address (below) needs to be a minimum of 4 characters. Letters, numerals, periods, hyphens, underscores are allowed; spaces are not allowed. If you do not want a free email address, leave this field blank.
Below, please describe your interest in the Threlkeld One-Name Study. If you have the Threlkeld or a related surname in your lineage, the best way to indicate this is with a thumbnail pedigree (see the example profile for guidance). Add text with as much information as you like. You cannot embed images or other items in the field, only plain text.

Additional Detail. Leave any information below blank if you do not have it, or if you do not want it appearing on your profile. All items are optional, but including them will assist other researchers in determining a relationship.

Family Tree Information

Your WikiTree Profile ID will be your last name followed by a hyphen and a number, e.g., Surname-123. If you want, you can go to your WikiTree Profile, copy the URL from your web browser's address bar, and paste it in here.
We can embed WikiTree widgets into your Study profile that automatically update with changes at WikiTree, and that contain live links to individuals in recent generations of your family tree. See the example profile for the way this is used. Please select whether you do or do not want this family tree snapshot included in your Study profile.

If you have a public family tree at, providing it here can give family researchers another means to compare notes with your tree. You can go to your Ancestry tree and copy the URL from your web browser's address bar, then paste it in here. The address will look like:

DNA Information

Testing Information

Matching & Comparison Information

Thank you for registering as a member of the Threlkeld One-Name Study. After checking your entries above, complete the security question and click "Send." We will review your application and respond with your welcome packet via email in one or two days.