This list combines 2,503 spelling variations into 1,011 grouped names based on shared pronunciations. The most popular name in 1930 is Mary, given to 64,270 babies in total. Learn more about how this works.

Catherine has the most spelling variations with 19 different spellings, while Janelle has the highest confusion index at 82.1%, indicating the greatest diversity in how parents choose to spell it.

When combining spelling variations, Aline showed the biggest improvement, moving up 165 positions from 366 to 201, while Edna had the largest drop, falling 8 positions from 51 to 59.

Looking at trends, Janine shows the strongest upward momentum (births in 1928–1930 are 4319.05% higher compared to 1921–1930), while Sophie shows the steepest decline (60.19% lower). Compared to 1929, Marlene had the largest rank improvement, moving up 95 positions to rank #327, while Janine fell 58 positions to rank #204.