Tarnell is likely a modern coined name, possibly influenced by Darnell and similar surname-style forms.
Tarnell is likely a modern coined name, possibly influenced by Darnell and similar surname-style forms. It has the feel of a recent invented or adapted name that borrows the stability of established surnames while changing the initial sound.
As a given name, Tarnell feels solid, modern, and a little formal. It has a strong consonant structure that makes it sound grounded and practical. The name is rare, but its shape is familiar enough to be immediately pronounceable. Tarnell feels like a surname turned personal identity in a contemporary way.