Thomas words "My lord and my God" are often misunderstood by some to be a declaration on Thomas' part about his belief Jesus is God. However, Jesus directly contradicted Thomas' words, saying that Thomas' God is the Father. Since the Father is the only true God (John 17:3) that means Jesus isn't God and no one in the Bible believed Jesus is God.
Jesus referred to Thomas and the rest of his disciples as his brother.
Jesus told Mary to deliver a message to Thomas and his other brothers about who their God is:
Jesus said his God is the Father and that the God of his brothers is also the Father. That means Thomas didn't believe Jesus is God.
Jesus referred to Thomas and the rest of his disciples as his brother.
Matthew 12
49Pointing to His disciples, he said, “Here are My mother and My brothers
Jesus told Mary to deliver a message to Thomas and his other brothers about who their God is:
John 20
17“Do not cling to me,” Jesus said, “for I have not yet ascended to the Father. But go and tell my brothers, ‘I am ascending to my Father and your Father, to my God and your God.’ ”
Jesus said his God is the Father and that the God of his brothers is also the Father. That means Thomas didn't believe Jesus is God.