This list combines 2,740 spelling variations into 1,001 grouped names based on shared pronunciations. The most popular name in 1929 is Mary, given to 63,955 babies in total. Learn more about how this works.

Catherine has the most spelling variations with 21 different spellings, while Janelle has the highest confusion index at 83.5%, indicating the greatest diversity in how parents choose to spell it.

When combining spelling variations, Aline showed the biggest improvement, moving up 278 positions from 629 to 351, while Leo had the largest drop, falling 12 positions from 143 to 155.

Looking at trends, Janine shows the strongest upward momentum (births in 1927–1929 are 3583.15% higher compared to 1920–1929), while Woodrow shows the steepest decline (76.41% lower). Compared to 1928, Janine had the largest rank improvement, moving up 206 positions to rank #262, while Bertie fell 82 positions to rank #574.