Head to head · Girls' names
Gwen vs Theodora
#725 vs #725 in 2025 · both holding its place on the charts
Gwen and Theodora share the same spot on the 2025 charts (#725). The records cannot split them; sound and story 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
The tape is even: Gwen and Theodora each lead 2 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
- 1880s: Gwen —, Theodora #671 — Theodora higher
- 1890s: Gwen #1246, Theodora #643 — Theodora higher
- 1900s: Gwen #892, Theodora #619 — Theodora higher
- 1910s: Gwen #716, Theodora #605 — Theodora higher
- 1920s: Gwen #639, Theodora #565 — Theodora higher
- 1930s: Gwen #390, Theodora #658 — Gwen higher
- 1940s: Gwen #362, Theodora #653 — Gwen higher
- 1950s: Gwen #338, Theodora #965 — Gwen higher
- 1960s: Gwen #409, Theodora #1345 — Gwen higher
- 1970s: Gwen #621, Theodora #2086 — Gwen higher
- 1980s: Gwen #1392, Theodora #2377 — Gwen higher
- 1990s: Gwen #2534, Theodora #2755 — Gwen higher
- 2000s: Gwen #1521, Theodora #3386 — Gwen higher
- 2010s: Gwen #976, Theodora #2144 — Gwen higher
- 2020s: Gwen #793, Theodora #762 — Theodora higher
Gwen stood higher in 9 of 15 decades; Theodora took the 2020s.
Rank by decade
| Decade | Gwen | Theodora |
|---|---|---|
| 1880s | — | #671 |
| 1890s | #1246 | #643 |
| 1900s | #892 | #619 |
| 1910s | #716 | #605 |
| 1920s | #639 | #565 |
| 1930s | #390 | #658 |
| 1940s | #362 | #653 |
| 1950s | #338 | #965 |
| 1960s | #409 | #1345 |
| 1970s | #621 | #2086 |
| 1980s | #1392 | #2377 |
| 1990s | #2534 | #2755 |
| 2000s | #1521 | #3386 |
| 2010s | #976 | #2144 |
| 2020s | #793 | #762 |
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
Gwen
White, fair, blessed (Welsh)
Welsh gwyn is the masculine form and gwen the feminine; across Welsh names the element carries the joined senses of white, fair and holy or blessed.
gwyn / gwen (Welsh, 'white, fair, blessed') → Gwenhwyfar → Gwendolen → Gwen
How it traveled
Gwen comes from the Welsh adjective gwyn/gwen, one of the most productive elements in the whole Welsh naming stock, and it stands behind Gwendolen, Gwenllian, Gwyneth and Gwenhwyfar alike. Gwenhwyfar is the Welsh name that reached French and then English romance as Guinevere, which is how a Welsh word for fair or blessed ended up in Arthurian literature across Europe.
Theodora
Gift of God
From Greek theos, "god", and dōron, "gift" — the same pairing found, in reverse order, in Dorothea.
Theodōros → Theodōra → Theodora
How it traveled
The name is Greek: theos and dōron joined into Theodōra, the feminine of Theodōros. It spread with Greek-speaking Christianity and became a name of the Byzantine court — most famously the empress Theodora, wife of Justinian I, whose portrait in mosaic still stands in Ravenna.
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
Gwen
GWEN
One syllable, rhyming with 'ten'. The gw- is pronounced as written, the same way it is in Welsh.
- Gwennie — The usual affectionate extension, informal and mostly family use, since Gwen is already short.
- Gwenny — Same form with a different spelling; informal.
- Gwen — Stands alone as a given name, and also serves as the everyday short form for anyone registered as Gwendolen, Gwyneth or Gwenllian.
Theodora
thee-uh-DOR-uh
Four syllables with the stress on the third. Some speakers say thee-oh-DOR-uh, keeping the Greek theo- intact; both are accepted and neither needs correcting.
- Thea — The most common short form in current use, and long established as an independent given name of its own.
- Teddy — Informal; shared with Theodore, so it is used for boys and girls alike.
- Dora — Taken from the end of the name rather than the start; also stands alone as a given name, and is more familiar to older generations.
- Theo — Informal, and increasingly used on its own; overlaps heavily with Theodore.
- Also Teddie, Dodie.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Gwen if you want…
- a name holding steadyGwen is holding its place on the charts
- a name with fewer syllablesGwen is 1 syllable to Theodora's 4
- a newer arrivalGwen entered the US charts in 1890
Choose Theodora if you want…
- a name on the way upup 110 places on the charts in five years
- a name with more sound in itTheodora runs 4 syllables, Gwen 1
- plenty of nickname options6 recorded short forms — Thea, Teddy and Dora
- a long American recordTheodora was already in use when US records began in 1880
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
Gwen
Strengths
- One syllable, four letters, spelled the way it sounds — little chance of a lasting spelling battle.
- Works either as a complete name or as the short form of Gwendolen, Gwyneth and Gwenllian, so a longer registered name is optional, not required.
- A documented Welsh element with centuries of continuous use behind it, including the line that produced Guinevere.
To consider
- It is already as short as a name gets, so there is nowhere to retreat to. Parents who want a formal option on a diploma sometimes register Gwendolen or Gwyneth and use Gwen every day.
- The gw- cluster is occasionally misheard over the phone as 'Wen' or 'When', and Gwyn, Gwenn and Gwynn all exist as separate spellings.
- Expect the question 'is that short for something?' more or less forever. The answer that it is a name in its own right is a short one, but you will give it often.
Theodora
Strengths
- An unbroken written record going back to the Greek-speaking Mediterranean, with a meaning that is settled and easy to state.
- Several ready-made short forms — Thea, Teddy, Dora, Theo — spanning formal and casual registers.
- The same spelling works in Italian, Spanish and Polish, and the name is recognizable across most of Europe.
To consider
- Four syllables is a lot to say, and it will often be shortened by others before it is shortened by you. Worth liking at least one of the nicknames.
- Teddy and Theo are shared with Theodore and are heard more often on boys, so a Theodora who goes by either may be asked to clarify.
- It sits low enough in current use that a Theodora will likely be the only one in her school — good for distinctiveness, occasionally tiring when a name needs repeating.
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 Gwen and Theodora 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 Gwen and Theodora?
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
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- One-syllable names: said in a single beat
- Welsh names beyond Dylan
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- all guides
Where Gwen and Theodora each sit in the library — alternatives in the same style, ranked by the same records.
Gwen or Theodora — the short answers
- Which is more popular, Gwen or Theodora?
- They tie in 2025: Gwen ranked #725 with 384 babies; Theodora ranked #725 with 384 babies.
- Which name is rising faster, Gwen or Theodora?
- Theodora. Over the last five years Gwen moved up 97 places; Theodora moved up 110 places.
- Which is the older name, Gwen or Theodora?
- Gwen entered the US charts in 1890; Theodora was already in use when US records began in 1880. On the American record, Theodora is the older name.
- How many people are named Gwen and Theodora?
- About 25,000 people named Gwen are estimated to be alive in the US today. About 7,800 people named Theodora are estimated to be alive in the US today.
- Will there be other Gwens or Theodoras in the classroom?
- Gwen will almost certainly be the only one in school. Theodora 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 Gwen, Theodora and the rest of your shortlist with your last name in one printable report.
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