first name
DIAN
of 53,615 first names recorded in the 2020 Census
Of the 5,975 people named Dian, 64.2% reported their origin as White, 14.9% as Black and 11.5% as Asian or Pacific Islander. 91.3% are female. These count how people described themselves on the 2020 Census, not where the name comes from.
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Dian peaked in 1946, when 287 babies got the name.
At least 5,578 babies have been given the name since 1912. 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.
Dian by decade
Among all names given to American babies, its best decade was the 1940s, when it ranked #974. The largest share of babies named Dian, 52.1%, 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 Dian is most common
Compared with all babies born in each state since 1910, Dian has been most common in Michigan (1.9×), Oklahoma (1.9×), and Mississippi (1.8×), and least common in Massachusetts (0.54×).
2,778 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 Dian
Spelled almost the same
8 first names in the 2020 Census spelled within a letter or two of Dian, most common first.
Also a last name
As a last name, Dian ranks #86,747 of 156,621, with 231 people. See Dian as a last name
Compare
🔎 DIAN 🟦🟦🟦🟦🟦🟦🟦🟦⬜⬜ 1 in 50,549 Americans Rarer than 82.4% of us Peaked in 1946 with 287 babies Beat that 👇 https://howrareismy.name/first/dian/