Why is the name JESUS above every other name of God?

It is by His name JESUS that God redeemed all of humanity back to Himself. It is by His name JESUS that all our sins are washed away. It is God's saving Name!

"And she shall bring forth a son, and thou shalt call his name JESUS: for he shall save his people from their sins." - Matthew 1:21 KJV (son=human temple of the Spirit of God)

"Looking for that blessed hope, and the glorious appearing of the great God and our Saviour Jesus Christ; who gave himself for us, that he might redeem us from all iniquity, and purify unto himself a peculiar people, zealous of good works." - Titus 2:13-14 KJV

"To wit, that God was in Christ, reconciling the world unto himself, not imputing their trespasses unto them; and hath committed unto us the word of reconciliation." - 2 Corinthians 5:19 KJV

"Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost." - Acts 2:38 KJV

"Neither is there salvation in any other: for there is none other name under heaven given among men, whereby we must be saved." - Acts 4:12 KJV