The origin of the name Jairus is Greek
This is how Jairus is written in Greek:
Ἰάϊρος = Iaïros
The biblical meaning of the name Jairus is: whom God enlightens.
Jairus was a ruler of the synagogue, whose daughter Jesus restored to life
The name Jairus appears in the bible in the following verses:
Mark 5:22 KJV
And, behold, there cometh one of the rulers of the synagogue, Jairus by name; and when he saw him, he fell at his feet,
Luke 8:41 KJV
And, behold, there came a man named Jairus, and he was a ruler of the synagogue: and he fell down at Jesus’ feet, and besought him that he would come into his house: