Thaddaus

Thaddaus is a masculine name representing a variant spelling of Thaddeus, which has ancient roots in Aramaic. The original name, Thaddai, means 'gift of God' or 'courageous heart.' This alternative spelling retains the classical feel of the original while offering a slightly distinctive presentation. Thaddeus appears in biblical contexts as one of Jesus's twelve apostles, giving the name religious significance. Throughout history, the name has maintained steady though modest usage. The variant Thaddaus offers the same distinguished, scholarly feel of the more common spelling but with a unique twist. Parents might choose this spelling to honor traditional naming practices while ensuring their child's name stands slightly apart from the conventional form.

Pronounced THAD-ay-us.

As of October 2026, Thaddaus ranked #7172 in US births in 1988 SSA, peaked at #6977 in 1979.