first name
DENNIS
of 53,615 first names recorded in the 2020 Census
Of the 448,312 people named Dennis, 82.7% reported their origin as White, 7.2% as Black and 4.7% as Hispanic or Latino. Virtually all are male (99.7%). These count how people described themselves on the 2020 Census, not where the name comes from.
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Dennis peaked in 1952, when 24,605 babies got the name.
At least 623,692 babies have been given the name since 1880. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.
Dennis by decade
Among all names given to American babies, its best decade was the 1940s, when it ranked #37. The largest share of babies named Dennis, 56.2%, were born during the baby boom (1946–1964).
Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.
Where Dennis is most common
Compared with all babies born in each state since 1910, Dennis has been most common in Iowa (2.3×), South Dakota (2.1×), and North Dakota (2×), and least common in Texas (0.44×).
616,378 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.
Either side of Dennis
Spelled almost the same
5 first names in the 2020 Census spelled within a letter or two of Dennis, most common first.
Also a last name
As a last name, Dennis ranks #438 of 156,621, with 74,379 people. See Dennis as a last name
Compare
🔎 DENNIS 🟦🟦🟦⬜⬜⬜⬜⬜⬜⬜ 1 in 674 Americans More common than 69.1% of us Peaked in 1952 with 24,605 babies Beat that 👇 https://howrareismy.name/first/dennis/