John 20:24

But Thomas, one of the Twelve, called 'The Twin,' was not with them when Jesus came;

John 11:16

At this, Thomas, who was called 'The Twin,' said to his fellow-disciples: "Let us go too, so that we may die with him."

Matthew 10:3

Philip and Bartholomew; Thomas and Matthew the tax-gather; James the son of Alphaeus, and Thaddaeus;

Matthew 18:20

For where two or three have come together in my Name, I am present with them."

John 6:66-67

After this many of his disciples drew back, and did not go about with him any longer.

John 14:5

"We do not know where you are going, Master," said Thomas; "so how can we know the way?"

John 21:2

It was in this way:--Simon Peter, Thomas, who was called 'The Twin,' Nathanael of Cana in Galilee, Zebediah's sons, and two other disciples of Jesus, were together, when Simon Peter said:

Hebrews 10:25

And let us not, as some do, cease to meet together; but, on the contrary, let us encourage one another, and all the more, now that you see the Day drawing near.

Treasury of Scripture Knowledge

Summary

But Thomas, one of the twelve, called Didymus, was not with them when Jesus came.

Bible References

Was

John 6:66
After this many of his disciples drew back, and did not go about with him any longer.
Matthew 18:20
For where two or three have come together in my Name, I am present with them."
Hebrews 10:25
And let us not, as some do, cease to meet together; but, on the contrary, let us encourage one another, and all the more, now that you see the Day drawing near.