This list combines 2,782 spelling variations into 1,000 grouped names based on shared pronunciations. The most popular name in 1930 is Mary, given to 64,610 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 271 positions from 633 to 362, while Ronald had the largest drop, falling 12 positions from 77 to 89.

Looking at trends, Janine shows the strongest upward momentum (births in 1928–1930 are 4328.57% higher compared to 1921–1930), while Woodrow shows the steepest decline (75.96% lower). Compared to 1929, Marlene had the largest rank improvement, moving up 137 positions to rank #566, while Janine fell 103 positions to rank #365.