The name Alvar is a boy's name of German origin meaning "fair, white". Alvar and is often added to lists like Names with Military Meanings and discussed in our forums with posts like "A Lot Can Happen In Sixty Years - Part 4".
From the experts:
This name woould be hard to picture in a contemporary kindergarten, though it does have some cultural cred via Finnish architect and furniture designer Alvar Aalto. Aalto would actually make a more interesting choice.