El names lean Hebrew in origin: El is the ancient root for God, which runs through Elijah, Elisha, Eliana, Elijah and many more. The same syllable also anchors Greek names (Eleanor, Elena) and a host of European variants.
A family of nicknames
One of the quiet strengths of El names is how many short forms they share: Ellie, Ella, Eli, Elle. That gives a child options later in life, and makes El names particularly good for formal-plus-friendly pairings like Eleanor/Ellie or Elijah/Eli.
Both genders, same root
Because El is a root rather than a gendered ending, the family works equally well across boys and girls. A sibling set of Eleanor and Elijah or Elena and Elliot sits in perfect balance without feeling matchy.