From the name Tamanend, associated with a Lenape leader; used in English naming as an adapted form.
Tammany comes from the name Tamanend, associated with a Lenape leader, and it entered English naming as an adapted form. That gives it a historical and place-linked American context. The name feels uncommon and distinctly rooted. Tammany has a surname-like firmness, yet its sound remains approachable, which helps it carry both history and style.