This list combines 2,070 spelling variations into 1,009 grouped names based on shared pronunciations. The most popular name in 1920 is John, given to 56,986 babies in total. Learn more about how this works.

Herschel has the most spelling variations with 11 different spellings, while Eulis has the highest confusion index at 82.9%, 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 502 to 380, while Juan had the largest drop, falling 9 positions from 206 to 215.

Looking at trends, Quentin shows the strongest upward momentum (births in 1918–1920 are 1308.41% higher compared to 1911–1920), while Hans shows the steepest decline (17.51% lower). Compared to 1919, Harding had the largest rank improvement, moving up 153 positions to rank #339, while Woodrow fell 82 positions to rank #177.