male NAME · CURRENTLY #4129
Thadeo
tah-DAY-oh
“Traditionally interpreted as 'heart' or 'courageous-hearted'; the deeper etymology is uncertain”
A rare spelling variant used as a given name.
SSA POPULARITY HISTORY
How Thadeo has traveled through time
72015
82020
262025
LATEST YEAR202526 births
PEAK RANK#4129in 2025
CURRENT USAGE0% F100% M
Source: U.S. Social Security Administration. SSA excludes names with fewer than five occurrences in a geographic area.