Likely from an English surname or place-style formation meaning something like "settlement in a glen."
Glenton is likely an English surname or place-style formation meaning something like settlement in a glen. It belongs to the long tradition of surnames built from geography, where a location becomes a family marker and later sometimes a given name.
As a first name, Glenton feels stable, rural, and quietly old-fashioned. It has the firmness of a place name and the polish of a surname, which gives it a somewhat formal air. The name is unusual enough to be notable, but its structure is straightforward and English in a very traditional way. Glenton sounds rooted, earthy, and reliable.