This list combines 2,769 spelling variations into 1,010 grouped names based on shared pronunciations. The most popular name in 1931 is Robert, given to 60,882 babies in total. Learn more about how this works.

Catherine has the most spelling variations with 18 different spellings, while Janelle has the highest confusion index at 82.7%, indicating the greatest diversity in how parents choose to spell it.

When combining spelling variations, Aline showed the biggest improvement, moving up 265 positions from 632 to 367, while Albert had the largest drop, falling 11 positions from 54 to 65.

Looking at trends, Janine shows the strongest upward momentum (births in 1929–1931 are 1298.4% higher compared to 1922–1931), while Woodrow shows the steepest decline (63.96% lower). Compared to 1930, Marlene had the largest rank improvement, moving up 402 positions to rank #164, while Angelina fell 51 positions to rank #415.