Dennis

Came into medieval English through French from the Latin Dionysius, a name meaning devoted to Dionysos, the Greek god of wine.

Dennis in 2025

Dennis was given to 381 babies in the United States in 2025, making it the 1,424th most popular name of the year. That is roughly one in every 8,702 babies born.

The history of Dennis

Dennis reached its highest point in 1952, when 24,605 babies were given the name, ranking 29th that year. Its best-ever ranking was 26th, in 1947.

Across the 146 years of records since 1880, 623,692 babies have been named Dennis. Half of them were born before 1954, which places the name's centre of gravity with the Baby Boomers.

Dennis by decade

DecadeBabies named DennisBest rank
1880s1,107233
1890s919384
1900s988444
1910s4,203452
1920s8,241348
1930s26,50767
1940s162,57426
1950s204,78528
1960s95,40565
1970s50,91295
1980s30,712164
1990s18,270255
2000s10,621482
2010s6,018817
2020s2,4301,299

Where Dennis is heading

Dennis has fallen 36% over the past decade, from 592 babies in 2015 to 381 in 2025.

That is less than 5% of its 1952 peak — Dennis is now a rare name in the United States.

Names like Dennis

Names that rose and fell at the same time as Dennis.

Browse the most popular baby names