2. When was the word first used? The first surviving use of the term (there may have been earlier uses that are now lost) was about 170 A.D. by Theophilus of Antioch, who wrote: “In like manner also ...

Sunday, June 15, is the Solemnity of the Most Holy Trinity. Mass readings: Proverbs 8:22-31; Psalm 8:4-5, 6-7, 8-9; Romans 5:1-5; John 16:12-15. On the feast of the Most Holy Trinity, we do well to ...