'O God' in the Bible

And hath made us kings and priests unto God and his Father; to him be glory and dominion for ever and ever. Amen.

And they sung a new song, saying, Thou art worthy to take the book, and to open the seals thereof: for thou wast slain, and hast redeemed us to God by thy blood out of every kindred, and tongue, and people, and nation;

And she brought forth a man child, who was to rule all nations with a rod of iron: and her child was caught up unto God, and to his throne.

These are they which were not defiled with women; for they are virgins. These are they which follow the Lamb whithersoever he goeth. These were redeemed from among men, being the firstfruits unto God and to the Lamb.