About 10.2% of all girls' first names in the United States begin with the letter S...
This makes S the second most common initial of all popular girls' first names in the United States. A is the most common letter to start a girl's name. On the other hand, U and X are the least common initials among girls' first names.
In the US, the most common girl’s name with the initial S is Sophia. Recently in the United States, approximately one in 90 girls has been named Sophia. Other well-known names with an S are Sofia and Scarlett. The name Samira, on the other hand, is also well known in the US and has been used occasionally in recent years, but is generally still quite rare.