Gender: Masculine
Origin: Estonian
Meaning: “vigilant; watchful.”
(VAHL-vo)

The name is possibly derived from the Estonian, valvas, meaning “watchful; vigilant.”

The designated name-day is March 15.

Other forms include: Valev and Valvik.

Sources

1. http://www.behindthename.com/namedays/lists/est.php
2. http://aare.pri.ee/dictionary.html?meth=part&lang=ee&query=valva&switch=en