Top Baby Names by First Letter - Boys and Girls
Data Source: Social Security Administration
This table provides an A-to-Z directory of the most popular baby boy and girl names in the United States, compiled from official Social Security Administration birth records. From perennial national front-runners like Liam, Oliver, Olivia, and Emma to distinctive leaders for less common initials like Xavier, Zion, and Zoe, the overview highlights the full breadth of American naming conventions while spotlighting rare crossover trends, such as Quinn capturing the top spot for both boys and girls under the letter Q.