Heart or courageous heart
A variant of Thaddeus, which is derived from the Aramaic word 'tadday' meaning heart. It is often interpreted as meaning courageous or stout-hearted. In the New Testament, it is the name of one of the twelve apostles.
About 6 boys were named Thadeus in 2025.
US births per 5-year period, 1990–present (SSA data).
A character in the video game series 'Fallout' · Fallout
American statesman and leader of the Radical Republicans
Polish-Lithuanian military engineer and hero of the American Revolution
American professional basketball player
