How many times is Isaac mentioned in the Bible?
The word Isaac appears 128 times in the King James Version, in 119 verses. Counting every form (Isaac, Isaac's), it appears 132 times in 123 verses across 21 of the 66 books. The World English Bible uses Isaac 127 times (132 with every form).
Isaac in the King James Version and the World English Bible
Each form of Isaac counted in each translation.
| Form | KJV | WEB |
|---|---|---|
| Isaac | 128 | 127 |
| Isaac's | 4 | 5 |
| Total | 132 | 132 |
Which books mention Isaac most
Isaac appears in 21 books of the 66 in the King James Version. Genesis has the most (80), then Exodus (9) and Deuteronomy (7).
Also in: 2 Chronicles (1), Psalms (1), Jeremiah (1), Mark (1), Galatians (1), James (1).
First and last mention of Isaac
And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him.
Was not Abraham our father justified by works, when he had offered Isaac his son upon the altar?
The verse that uses it most is Genesis 24:67, 2 times (tied with Genesis 25:11, Genesis 25:19, Genesis 26:9, Genesis 27:30, Genesis 35:27 and 3 more):
And Isaac brought her into his mother Sarah’s tent, and took Rebekah, and she became his wife; and he loved her: and Isaac was comforted after his mother’s death.
Verses with Isaac on our topic pages
4 verses that use Isaac in the World English Bible are in our topic collections.
Isaac went out to meditate in the field at the evening. He lifted up his eyes and looked. Behold, there were camels coming.
Isaac and Ishmael, his sons, buried him in the cave of Machpelah, in the field of Ephron, the son of Zohar the Hittite, which is before Mamre,
There they buried Abraham and Sarah, his wife. There they buried Isaac and Rebekah, his wife, and there I buried Leah:
‘I am the God of Abraham, and the God of Isaac, and the God of Jacob?’ God is not the God of the dead, but of the living.”
On: Resurrection
Common questions
How many times is Isaac in the Old Testament and the New Testament?
In the King James Version, counting every form, 112 of the 132 uses are in the Old Testament and 20 in the New Testament. Isaac appears in 21 books of the 66 in the King James Version. Genesis has the most (80), then Exodus (9) and Deuteronomy (7).
Where is Isaac first mentioned in the Bible?
The first use in the King James Version is Genesis 17:19: "And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him." The last is James 2:21.
More word counts: Jacob, Joseph, Solomon, Aaron, Joshua, Samuel, Saul, Elijah, or all 253 words.
Counted by Bible Says About from the full public-domain text of the King James Version (1769 edition) and the World English Bible. Verse text only: headings and psalm titles are left out. A word is a run of letters: a hyphenated name like Beer-sheba counts as two, and an apostrophe stays inside its word (LORD'S is one). Matching ignores capital letters. Data compiled 2026-10-05.