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.

Short form of Croatian Pavao, related to Paul. In Latin, it means "peacock" and is the name of a constellation in the southern sky, which resembles a peacock's tail.