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Tadeo

tah-DEH-oh /ta.ˈðe.o/ Spanish

At a glance

In short
Tadeo is the Spanish form of the Aramaic-Greek name Thaddaeus, traditionally interpreted as “heart,” “courageous heart,” or, in some readings, “gift of God.”
U.S. rank 2025
#427 of boy names
Babies in 2025
753 (0.041% of boys)
Trend
Rising #702 in 2020 to #427 in 2025
Peak
#412 in 2024
First recorded
1968

Meaning of Tadeo

Tadeo is the Spanish form of the Aramaic-Greek name Thaddaeus, traditionally interpreted as “heart,” “courageous heart,” or, in some readings, “gift of God.” In the New Testament the bearer is the Apostle Jude Thaddeus—San Judas Tadeo to the Spanish-speaking world—whose image fills churches and street-corner altars from Mexico City to Buenos Aires, making the name an instant bridge to Latin Catholic devotion and its Oct. 28 feast-day rituals. That cultural weight has not slowed its modern appeal: U.S. birth records show Tadeo nearly doubling in use since 2020, landing at rank 377 with 781 newborns in 2024, a clear sign that parents searching for a faith-linked, cross-border choice are tuning in. The pronunciation, tah-DEH-oh, rolls off the tongue with the open vowels typical of Spanish, yet stays simple enough for English speakers, giving the name a pragmatic bilingual edge. Long favored in Latin America, Tadeo now finds itself in the same North-American growth lane as Mateo and Santiago—a concise, energetic option that carries centuries of tradition without sounding dated.

How to pronounce Tadeo

Spanish

Popularity of Tadeo in the U.S.

Tadeo was the #427 boy name in the U.S. in 2025, with 753 babies. It peaked at #412 in 2024 and has been in the top 1,000 since 2016. It first appears in the records in 1968.

Bar and line chart: Tadeo in the U.S., 1968–2025. Bars: boys given the name each year, most 782 in 2024 and 753 in 2025. Line: rank among boy names, peak #412 in 2024, #427 in 2025.
  • Boys named Tadeo (left scale)
  • Rank among U.S. boy names (right scale, #1 at the top)
By year, 1968–2025. Source: SSA. Download: PNG · SVG
Year-by-year table, 1968⁠–⁠2025 37 rows
Tadeo: babies and rank among boy names in the U.S. by year
YearBabiesRankvs previous year
2025753427▼ 15
2024782412▲ 61
2023642473▲ 48
2022568521▲ 77
2021465598▲ 104
2020361702▲ 29
2019331731▲ 106
2018266837▼ 4
2017266833▲ 111
2016221944▲ 105
20151891,049▲ 3
20141891,052▲ 128
20131521,180▲ 446
2012951,626▲ 169
2011801,795▲ 444
2010582,239▲ 608
2009422,847▼ 610
2008592,237▲ 327
2007482,564▼ 87
2006492,477▲ 614
2005333,091▲ 126
2004303,217▼ 370
2003342,847▲ 707
2002243,554▲ 748
2001184,302▲ 1,618
2000115,920▼ 603
1999125,317▲ 997
199896,314▲ 2,951
199759,265back (not recorded in 1994–1996)
199395,771▲ 2,664
199258,435▼ 2,493
199185,942▲ 2,175
199058,117▼ 1,888
198976,229back (not recorded in 1988)
198766,089▼ 163
198665,926back (not recorded in 1969–1985)
196854,136new

Tadeo by state

Tadeo ranks #192 in California (2025).

Map: Tadeo's 2025 rank among boy names in each U.S. state
Rank among boy names by state, 2025. Source: SSA. Download: PNG · SVG
Rank by state 32 states
Tadeo: rank and babies by state, 2025
StateRankBabies
California192192
Arizona22536
Texas252155
Oregon26316
New Mexico2707
Washington30125
Illinois30635
Idaho3327
Arkansas3539
Colorado38516
Nevada3897
Georgia40728
North Carolina40727
Alabama42212
South Carolina43811
Kansas5246
Utah5617
Iowa5715
Tennessee59212
Missouri5979
Wisconsin6187
Oklahoma6216
Kentucky6256
Ohio67613
Minnesota7186
Pennsylvania79210
Virginia7988
Florida80918
Michigan8298
New Jersey8297
New York84416
Indiana8446

Notable people named Tadeo

  • Tadeo Zarratea Dávalos is a Paraguayan lawyer, activist, linguist, and author.