1770+ Boy Names Ending in O

The final o adds a good measure of attractiveness. Álvaro is well-used Spanish saint's name with a lot of flair that could definitely cross over to more general usage. It reached its peak in the United States in 1985, when it ranked Number 456. In Spain, Álvaro is a Top 20 boys' name.

A male Spanish given name derived from the Latin name Fulgentius.

Ugolino could be a silly nickname for an oh-so-seriously named baby Hugh or Hugo or Ugo.