What does Gunther mean?
Gunther is an uncommonly occurring given name for men but a very prominent last name for both adults and children (#4047 out of 150436, Top 3%). (2000 U.S. Census)
Below is a graphed analysis of the popularity of Gunther and related names. Gunnar (#381 the previous year) and Gunner (#235) are the popular variation forms of Gunther (#unlisted) appearing in the Top 1000. Adoption of these boy names is at its most widespread today (usage of 0.692%). Gunnar (#381) and Gunner (#235) are two of the more contemporarily stylish birth names among these, and there is a rekindling in baby name usage for Gunnar. (2014 Birth Statistics)