Only about 3 % of boys' first names in the United States begin with the letter N…
This means that the initial N is only slightly less common than average – with 26 letters in the alphabet, each initial occurs on average in 3,8 % of all boys' first names. In fact, the letters that form initials aren’t distributed evenly – some initials are very common, while others are very rare. The most common initials among boys' names in the United States are J and A, while very few names begin with the letters U and X.