1770+ Boy Names Ending in O

The term Quarto comes to us from the Latin for "four", but it is used as a term in literature to describe a book from the early days of printing that was a particular size. An obscure and potentially intriguing choice for arcane, book-loving parents.

Provo is the name of a conservative Utah city that's unlikely to be among the most fashionable place-names. You'd do better with Utah.

Ibo is short but striking. Another, unrelated but equally appealing name is Ivo.