What does Larson mean?
Larson is a rare first name for men but a very popular last name for both adults and children (#224 out of 150436, Top 1%). (2000 U.S. Census)
Shown below is a comparison of the popularity of Larson and affiliated names. Lars is the only popular variation form of Larson (#unlisted) ranked in the Top 1000. These boy names reached the apex of their popularity during 1960-1969 (usage of 0.173%) and are now much less popular. (2014 Birth Statistics)