Thaddeus

Smith's Bible Dictionary (1863)

one of the twelve apostles. (Matthew 10:3; Mark 3:18) From a comparison with the catalogue of St. Luke, (Luke 6:16; Acts 1:13) it seems scarcely possible to doubt that the three names, of Judas, Lebbeus and Thaddeus were borne by one and the same person. [See Jude, Or Judas]

Hitchcock's Bible Names Dictionary (1869)

that praises or confesses

Public domain dictionaries.