3 occurrences across the corpus

KJV Apocrypha (Eastern Orthodox Additions)

3 Maccabees 5:25

The Jews, breathless with momentary suspense, stretched out their hands and prayed the Greatest God, in mournful strains, again to help them speedily.

NT Apocrypha/Pseudepigrapha

Acts of Paul and Thecla 8:6

Upon which Trifina, with a mournful air, said, My daughter Falconilla has appeared to me, and ordered me to receive you in her room; wherefore I desire, Thecla, that you would pray for my daughter, that she may be translated into a state of happiness, and to life eternal.

Acts of Paul and Thecla 9:10

Yet they turned other wild beasts upon her; upon which they made a very mournful outcry; and some of them scattered spikenard, others cassia, others amomus (a sort of spikenard, or the herb of Jerusalem, or ladies-rose) others ointment; so that the quantity of ointment was large, in proportion to the number of people; and upon this all the beasts lay as though they had been fast asleep, and did not touch Thecla.