Boy
Dennis
As a boy's name, Dennis traces back to Greek, where it is understood to mean "Follower of Dionysus". It was at its most popular in the 1950s and is rarely chosen now. As things stand now, it is a name nearly everyone knows. The registry counts around 618,066 U.S. births under this name going back to 1900.
GreekFollower of Dionysus
FrenchDevotee of Dionysus
Births by decade
1900s
988
1910s
4,203
1920s
8,242
1930s
26,504
1940s
162,551
1950s
204,701
1960s
95,401
1970s
50,934
1980s
30,713
1990s
18,262
2000s
10,580
2010s
4,987
Peaked in the 1950s · 618,066 total U.S. births since 1900