This list combines 2,852 spelling variations into 1,001 grouped names based on shared pronunciations. The most popular name in 1921 is Mary, given to 74,326 babies in total. Learn more about how this works.

Catherine has the most spelling variations with 21 different spellings, while Margarete has the highest confusion index at 86.1%, indicating the greatest diversity in how parents choose to spell it.

When combining spelling variations, Aline showed the biggest improvement, moving up 244 positions from 555 to 311, while Gloria had the largest drop, falling 16 positions from 170 to 186.

Looking at trends, Bette shows the strongest upward momentum (births in 1919–1921 are 536.46% higher compared to 1912–1921), while Woodrow shows the steepest decline (33.14% lower). Compared to 1920, Gloria had the largest rank improvement, moving up 150 positions to rank #186, while Quentin fell 68 positions to rank #523.