What does Walt mean?
Walt is an unusual given name for men but a very prominent surname for all people (#19428 out of 150436, Top 13%). (2000 U.S. Census)
Prominent varying forms of Walt (#unlisted) rated in the Top 1000 are Walter (#337 the previous year), Wally and Valter. Adoption of these boy names was at its apex during 1960-1969 (usage of 0.3887%) and has become significantly less since (usage 0.221%, down 43.1%), with the versions Wally and Walter becoming less fashionable. Displayed below is an analysis of the usage of Walt and corresponding names. (2014 Birth Statistics)