This list combines 2,466 spelling variations into 1,003 grouped names based on shared pronunciations. The most popular name in 1931 is Mary, given to 60,397 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 178 positions from 381 to 203, while Annie had the largest drop, falling 6 positions from 41 to 47.

Looking at trends, Janine shows the strongest upward momentum (births in 1929–1931 are 1295.57% higher compared to 1922–1931), while Sophie shows the steepest decline (62.23% lower). Compared to 1930, Marlene had the largest rank improvement, moving up 237 positions to rank #90, while Dorla fell 78 positions to rank #477.