The name Aleph is a boy's name of Hebrew origin meaning "chief, number one". Aleph and is often added to lists like Celebrity Baby Names and discussed in our forums with posts like "Build a sibset ....".
From the experts:
Aleph came into the spotlight when chosen by Israel-born Natalie Portman for her son. Alef is a more common spelling of these related Hebrew baby names.
In the Kabbalah, Aleph/Alef relates to the origin of the universe. The letter Aleph is also the subject of a midrash, a Jewish folktale, which praises its humility in not demanding to start the Bible. (In Hebrew, the Bible begins with the second letter of the alphabet, Bet.) As a reward, Aleph is allowed to start the Ten Commandments.