Head to head · Boys' names
Tadeo vs Wilder
#427 vs #429 in 2025
Tadeo is a whisker ahead (#427 vs #429 in 2025), but the curves point different ways: Tadeo is climbing the charts fast, Wilder is holding its place on the charts.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
The tale of the tape
The tape is even: Tadeo and Wilder each lead 3 measures of 6.
Ranks, counts and years are measured in the official US birth record; the classroom and living figures are estimates computed from it. The dot marks the side each measure favours on the charts — more common, not better.
What the records say
146 years of US births, drawn on one scale
Two curves, one scale
Who owned which decade
- 1910s: Tadeo —, Wilder #3039 — Wilder higher
- 1920s: Tadeo —, Wilder #3447 — Wilder higher
- 1930s: Tadeo —, Wilder #2680 — Wilder higher
- 1940s: Tadeo —, Wilder #2815 — Wilder higher
- 1950s: Tadeo —, Wilder #3593 — Wilder higher
- 1960s: Tadeo #4136, Wilder #3935 — Wilder higher
- 1970s: Tadeo —, Wilder #4986 — Wilder higher
- 1980s: Tadeo #6081, Wilder #5298 — Wilder higher
- 1990s: Tadeo #7023, Wilder #4161 — Wilder higher
- 2000s: Tadeo #3306, Wilder #3021 — Wilder higher
- 2010s: Tadeo #1229, Wilder #1178 — Wilder higher
- 2020s: Tadeo #522, Wilder #401 — Wilder higher
Wilder stood higher in every recorded decade — 12 of 12.
Rank by decade
| Decade | Tadeo | Wilder |
|---|---|---|
| 1910s | — | #3039 |
| 1920s | — | #3447 |
| 1930s | — | #2680 |
| 1940s | — | #2815 |
| 1950s | — | #3593 |
| 1960s | #4136 | #3935 |
| 1970s | — | #4986 |
| 1980s | #6081 | #5298 |
| 1990s | #7023 | #4161 |
| 2000s | #3306 | #3021 |
| 2010s | #1229 | #1178 |
| 2020s | #522 | #401 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Tadeo
Debated — either "heart" or a short form of a Greek name meaning "gift of God"
Two serious readings compete. One traces Greek Thaddaios to an Aramaic root connected with the breast or heart. The other treats it as a Greek pet form of a name like Theodoros or Theodotos, both built on the idea of a gift from God. Neither has won, and the ancient sources do not settle it.
Thaddaios → Thaddaeus → Taddeo → Tadeo
How it traveled
The name begins as Greek Thaddaios, the byname given to one of the twelve apostles — the figure called Thaddaeus in Matthew and Mark, and known in Spanish as San Judas Tadeo. Latin took it as Thaddaeus, and from there each language reshaped it: Taddeo in Italy, Tadeusz in Poland, Tadeo in Spanish.
Wilder
from the word "wild" — either a dweller on wild, uncultivated land or "the wild one"
Two readings compete, and both lead back to the same root. English surname scholarship points to a topographic origin: someone who lived on or near untilled, uncleared ground. The German and Swiss surname Wilder is read instead as a nickname from the adjective wild, untamed. Neither has pushed the other out.
wilde (Old English: wild, untamed) → Wilde → Wilder (surname) → Wilder (given name)
How it traveled
For most of its life Wilder was a family name, not a first name — English in one line, German and Swiss in another, both from the word wild. It traveled to North America with both groups and became a well-established American surname, familiar from the bindings of books before it was ever called out to a child.
Where a reading is contested the note says so — this page does not turn a guess into a fact. The chain is each name's recorded forms, oldest first; the story is its opening, told in full on the name's own page.
Out loud, and in short
Tadeo
tah-DEH-oh
Stress on the middle syllable in Spanish. English speakers who meet it cold sometimes try TAD-ee-oh; one correction usually fixes it, since every letter is doing the job it looks like it is doing.
- Teo — The most natural short form in Spanish, and a standalone given name in its own right.
- Tadeito — Spanish diminutive, used affectionately within families rather than at school.
- Tad — The English-language clipping, shared with Thaddeus; used more by English speakers than Spanish ones.
- Tade — An informal two-syllable trim heard among Spanish speakers.
Wilder
WILE-der
Two syllables, stress on the first, rhyming with milder. English speakers read it correctly on sight because the word wilder is already in the language.
- Will — The most natural short form, and a long-established given name in its own right.
- Wil — Informal spelling that keeps the single l of the full name.
- Wildy — Playground-style and family-only; not used formally.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Tadeo if you want…
- a name on the way upup 275 places on the charts in five years
Choose Wilder if you want…
- a name holding steadyWilder is holding its place on the charts
Each line is a measured difference between the two names — a rank, a count, a recorded form — never a judgement of either. Save the one that answers your question; it lands on your shortlist.
The trade-offs, name by name
Tadeo
Strengths
- Spelled the way it sounds in both Spanish and English — no silent letters, no h to explain, unlike the English Thaddeus.
- Has a ready-made short form in Teo, which works on its own and travels easily between languages.
- A documented line back to Greek and Latin, and living forms in Italian, Polish, Czech and French.
To consider
- It is climbing quickly. A child born now may find the name noticeably more common among younger kids by the time they finish school than it is among their older cousins.
- Outside Texas, California and Illinois, expect to spell it out and to hear TAD-ee-oh occasionally before people settle into tah-DEH-oh.
- Neighboring spellings exist — Thadeo, Taddeo, Thaddeus — so forms and rosters will sometimes come back altered.
Wilder
Strengths
- Spelled exactly like an everyday English word, so it rarely needs repeating or clarifying.
- Shortens cleanly to Will, a short form with centuries of use behind it.
- A documented surname in both English and German-speaking countries, so it reads as a name rather than an invention.
To consider
- It is the comparative form of wild, which invites the obvious joke — wilder than what? Most bearers meet that line early and stop noticing it.
- Its wave is very recent, so nearly everyone carrying it is a child. There are few adult Wilders to make the name feel age-neutral yet.
- The variant spelling Wylder is also in use, so expect to be asked which one you mean when giving it over the phone.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Tadeo
55%chance Tadeo feels dated by 2040
Tadeo is climbing fast right now. Steep climbs tend to come with steep descents — the quicker a name arrives, the more firmly it belongs to its moment.
Wilder
40%chance Wilder feels dated by 2040
Wilder sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A reading of where each name sits on the long naming cycle — computed, not measured, and explained on the data page.
With your last name
Say both in full. The notes are facts about letters and sound — a rhyme, a shared initial, the monogram — not a verdict on either name.
Type a last name to hear Tadeo and Wilder in full.
Weighing the whole shortlist? Run the full comparison — up to eight names with your last name, initials, classroom projections and a printable report.
Decide together
Nobody names a baby alone
Still torn between Tadeo and Wilder?
Put both to the vote.
One link to your partner, your parents, your sister. Each of them gets the two names, a one-tap answer and room to say why — and every reply lands in one place.
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More than two in the running? Settle it with a bracket or run the full comparison with your last name.
More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists these names appear on
- Names ending in -eo
- The best baby names starting with T
- Boho names for free spirits
- Literary names for future bookworms
- all guides
Where Tadeo and Wilder each sit in the library — alternatives in the same style, ranked by the same records.
Tadeo or Wilder — the short answers
- Which is more popular, Tadeo or Wilder?
- Tadeo, in 2025: Tadeo ranked #427 with 753 babies; Wilder ranked #429 with 743 babies.
- Which name is rising faster, Tadeo or Wilder?
- Tadeo. Over the last five years Tadeo moved up 275 places; Wilder moved down 3 places.
- Which is the older name, Tadeo or Wilder?
- Tadeo entered the US charts in 1968; Wilder entered the US charts in 1914. On the American record, Wilder is the older name.
- How many people are named Tadeo and Wilder?
- About 5,800 people named Tadeo are estimated to be alive in the US today. About 8,000 people named Wilder are estimated to be alive in the US today.
- Will there be other Tadeos or Wilders in the classroom?
- Tadeo will almost certainly be the only one in school. Wilder will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025. Votes are battle voters on this site, not the birth record. Data & methodology
Keep playing
Sixty more head-to-heads are dealt in the arena every day — or line up Tadeo, Wilder and the rest of your shortlist with your last name in one printable report.
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