Easton's Bible Dictionary (1897)
Courageous, a surname of Judas (Jude), one of the twelve (Matt. 10:3), called also Thaddaeus, not to be confounded with the Judas who was the brother of our Lord.
Smith's Bible Dictionary (1863)
(a man of heart), one name of Jude, who was one of the twelve apostles.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
LEBBAE'US (hearty, courageous), one of the names of the apostle Jude, Matt 10:3.