Top first letters of U.S. baby names, 2019

What were the most popular first letters for baby names in 2019?

For girls, the most-used first letter was A, followed by E and M. The least-used first letter was U.

For boys, the most-used first letter was J, followed by A and L. The least-used first letter was U.

Finally, here are the totals for girls and boys side-by-side on the same chart:

Overall, the top first letter was A and the least popular letter was U.