This list combines 2,057 spelling variations into 1,010 grouped names based on shared pronunciations. The most popular name in 1921 is John, given to 58,280 babies in total. Learn more about how this works.

Darrell has the most spelling variations with 13 different spellings, while Eulis has the highest confusion index at 89.7%, indicating the greatest diversity in how parents choose to spell it.

When combining spelling variations, Arlen showed the biggest improvement, moving up 122 positions from 519 to 397, while Vincent had the largest drop, falling 7 positions from 70 to 77.

Looking at trends, Junior shows the strongest upward momentum (births in 1919–1921 are 428.69% higher compared to 1912–1921), while Woodrow shows the steepest decline (33.38% lower). Compared to 1920, Kevin had the largest rank improvement, moving up 61 positions to rank #459, while Anderson fell 43 positions to rank #415.