Head to head · Boys' names
Lian vs Tadeo
#428 vs #427 in 2025 · both climbing the charts fast
Tadeo is a whisker ahead (#427 vs #428 in 2025) and both are climbing the charts fast. The records will not split these two — sound, story and your own last name will.
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
On the charts, Tadeo leads 5 measures of 6; Lian leads 1.
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
- 1960s: Lian —, Tadeo #4136 — Tadeo higher
- 1980s: Lian #6315, Tadeo #6081 — Tadeo higher
- 1990s: Lian #7778, Tadeo #7023 — Tadeo higher
- 2000s: Lian #4984, Tadeo #3306 — Tadeo higher
- 2010s: Lian #1397, Tadeo #1229 — Tadeo higher
- 2020s: Lian #623, Tadeo #522 — Tadeo higher
Tadeo stood higher in every recorded decade — 6 of 6.
Rank by decade
| Decade | Lian | Tadeo |
|---|---|---|
| 1960s | — | #4136 |
| 1980s | #6315 | #6081 |
| 1990s | #7778 | #7023 |
| 2000s | #4984 | #3306 |
| 2010s | #1397 | #1229 |
| 2020s | #623 | #522 |
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
Lian
depends on the language: 'lotus' or 'to join' in Chinese, and elsewhere a short form with no meaning of its own
In Mandarin, Lián romanizes several characters, most familiarly 莲 'lotus' and 连 'to link, to join'; the meaning lives in the character, not the spelling. In Dutch and Frisian, Lian is a clipped form of longer names such as Juliana and Liliana, and carries their meanings rather than one of its own. In modern Hebrew it appears as a short unisex given name. The US boy's usage, concentrated in Spanish-speaking regions, sits nearest that last pattern: a brief name given whole.
How it traveled
Lian has no single origin, and that is the honest and interesting part. In Chinese it is a long-standing element of given names and also a surname, romanized as Lián in pinyin and Lien in the older Wade-Giles system.
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.
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
Lian
LEE-ahn
Two syllables in Spanish, Hebrew and Dutch use, with the stress commonly on the first in American English. In Mandarin it is a single syllable, closer to 'lyen' with a rising tone. Expect to correct people who read it as Liam or Leon at a glance.
- Li — About the only shortening possible; used informally, and stands alone as a given name in Chinese.
- Lianito — A Spanish diminutive pattern applied to the name at home rather than a form used outside the family.
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.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Lian if you want…
- a name on the way upup 365 places on the charts in five years
- a name with fewer syllablesLian is 1 syllable to Tadeo's 2
Choose Tadeo if you want…
- a name with more sound in itTadeo runs 2 syllables, Lian 1
- plenty of nickname options4 recorded short forms — Teo, Tadeito and Tad
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
Lian
Strengths
- Four letters, spelled the way it sounds once heard — no silent letters, no competing spellings to choose between.
- Already at home in Chinese, Dutch, Hebrew and Spanish, so it travels without becoming a different name.
- Short and finished as it is: no nickname is required, and none will be imposed.
To consider
- The pronunciation is not self-evident to American ears — LEE-ahn, lyen and lee-AHN are all real. Deciding on one early saves a lifetime of small corrections.
- Gender expectations shift by community: in the Netherlands and in much Chinese usage Lian reads as a girl's name, while the American record is a boy's. Worth knowing before someone assumes.
- It is climbing steadily, so a child born now will be far more likely to be the only Lian in a class than a child born a decade from now.
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.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
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 Lian and Tadeo 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 Lian and Tadeo?
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
- East and Southeast Asian names in American use
- Names ending in -eo
- The best baby names starting with T
- all guides
Where Lian and Tadeo each sit in the library — alternatives in the same style, ranked by the same records.
Lian or Tadeo — the short answers
- Which is more popular, Lian or Tadeo?
- Tadeo, in 2025: Tadeo ranked #427 with 753 babies; Lian ranked #428 with 752 babies.
- Which name is rising faster, Lian or Tadeo?
- Lian. Over the last five years Lian moved up 365 places; Tadeo moved up 275 places.
- Which is the older name, Lian or Tadeo?
- Lian entered the US charts in 1984; Tadeo entered the US charts in 1968. On the American record, Tadeo is the older name.
- How many people are named Lian and Tadeo?
- About 4,600 people named Lian are estimated to be alive in the US today. About 5,800 people named Tadeo are estimated to be alive in the US today.
- Will there be other Lians or Tadeos in the classroom?
- Lian will almost certainly be the only one in school. Tadeo 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 Lian, Tadeo and the rest of your shortlist with your last name in one printable report.
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