Head to head · Girls' names
Dahlia vs Delaney
#215 vs #242 in 2025
Dahlia is ahead (#215 vs #242 in 2025), but the curves point different ways: Dahlia is climbing the charts fast, Delaney is back after a long quiet spell.
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, Dahlia leads 4 measures of 6; Delaney leads 2.
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
- 1890s: Dahlia #1315, Delaney — — Dahlia higher
- 1900s: Dahlia #1906, Delaney — — Dahlia higher
- 1910s: Dahlia #1926, Delaney — — Dahlia higher
- 1920s: Dahlia #1792, Delaney — — Dahlia higher
- 1930s: Dahlia #2585, Delaney #4250 — Dahlia higher
- 1940s: Dahlia #2629, Delaney — — Dahlia higher
- 1950s: Dahlia #2108, Delaney #5346 — Dahlia higher
- 1960s: Dahlia #2176, Delaney #6225 — Dahlia higher
- 1970s: Dahlia #2019, Delaney #3815 — Dahlia higher
- 1980s: Dahlia #2559, Delaney #3250 — Dahlia higher
- 1990s: Dahlia #1978, Delaney #496 — Delaney higher
- 2000s: Dahlia #1090, Delaney #197 — Delaney higher
- 2010s: Dahlia #457, Delaney #251 — Delaney higher
- 2020s: Dahlia #275, Delaney #253 — Delaney higher
Dahlia stood higher in 10 of 14 decades; Delaney has held the lead since the 1990s.
Rank by decade
| Decade | Dahlia | Delaney |
|---|---|---|
| 1890s | #1315 | — |
| 1900s | #1906 | — |
| 1910s | #1926 | — |
| 1920s | #1792 | — |
| 1930s | #2585 | #4250 |
| 1940s | #2629 | — |
| 1950s | #2108 | #5346 |
| 1960s | #2176 | #6225 |
| 1970s | #2019 | #3815 |
| 1980s | #2559 | #3250 |
| 1990s | #1978 | #496 |
| 2000s | #1090 | #197 |
| 2010s | #457 | #251 |
| 2020s | #275 | #253 |
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
Dahlia
The dahlia flower; through the surname Dahl, ultimately 'valley'
The Spanish botanist Antonio José Cavanilles named the genus Dahlia in 1791 in honor of Anders Dahl, whose surname comes from the Scandinavian word for a valley. A separate name meets this spelling from another direction: Hebrew Dalia, a branch or vine tendril, and Lithuanian Dalia, a portion or fate. Parents who spell it Dahlia are usually reaching for the flower.
dal — Old Norse 'valley' → Dahl — Scandinavian surname → Dahlia — botanical genus, named 1791 → Dahlia — given name
How it traveled
The plant was grown in the valley of Mexico centuries before Europeans saw it, and it traveled to Spain at the end of the eighteenth century, where it was named for a Swedish botanist who had died only a year or two earlier. From the botanical name it passed into ordinary English as a garden word, and from there into the nineteenth-century habit of naming girls Violet, Rose, Iris and Lily.
Delaney
Either "descendant of Dubhshláine" (Irish: dubh, dark or black, plus Sláine) or "of the alder grove" (Norman French)
Two serious lines meet at this spelling. The Gaelic surname Ó Dubhshláine breaks into dubh, "black" or "dark", and Sláine — read either as a personal name or as the River Slaney. Separately, Anglo-Norman families in Ireland bore de l'Aunaie, "from the alder grove", which anglicized to Delaney and Delany too. Both are well attested; genealogists do not agree on which family carried which.
Dubhshláine → Ó Dubhshláine → Delany → Delaney
How it traveled
The name belongs first to Ireland, where Ó Dubhshláine was a sept of the midlands, concentrated around the borders of Laois and Kilkenny. Norman settlers who arrived after the twelfth century brought the separate name de l'Aunaie, and over centuries of anglicization the two collapsed into the same handful of spellings — Delany, Delaney, Delahunty nearby.
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
Dahlia
DAL-yuh
American speakers say DAL-yuh or DAHL-yuh. British and Australian speakers usually say DAY-lee-uh for the flower, and Spanish speakers say DAH-lee-ah. All are correct for the word; you get to pick which one is the child's.
- Dahl — The bare first syllable; informal, and doubles as a real Scandinavian surname.
- Lia — Taken from the end of the name; also stands alone as a given name in Italian and German use.
- Dolly — Informal and playful rather than an obvious clip; used by family more than by classmates.
- Dee — Initial-based and neutral in tone; works on a roster or a name tag.
Delaney
duh-LAY-nee
Stress on the middle syllable. Spelling and sound line up cleanly in English, so it rarely needs repeating — though the first syllable is often flattened to DEL-a-nee in casual speech.
- Laney — The most common short form, and a given name in its own right on US records.
- Del — Informal and clipped; used across ages and genders.
- Dee — Informal, initial-based, easy for young children to say.
- Lane — Informal; also stands alone as a given name for boys and girls.
- Also Della.
One short form, two names
- Dahlia and Delaney both shorten to Dee.
Short forms as recorded on each name’s own page. This is here so it is a decision rather than a discovery.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Dahlia if you want…
- a name most people already know#215 in 2025, 1,420 babies that year
- a name on the way upup 139 places on the charts in five years
- a name with fewer syllablesDahlia is 2 syllables to Delaney's 3
- a name that feels very nowDahlia is climbing the charts fast
Choose Delaney if you want…
- a name fewer children share#242 in 2025 — delaney will almost certainly be the only one in school
- a name with more sound in itDelaney runs 3 syllables, Dahlia 2
- a name that ages quietlyan estimated 30% chance of feeling dated by 2040, against 55% for Dahlia
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
Dahlia
Strengths
- Everyone already knows the word, so it is heard correctly the first time even when the spelling has to be repeated.
- Works in English and Spanish with only a small shift in stress, which matters in the states where it is most used.
- A parallel name, Hebrew and Lithuanian Dalia, gives it a second set of communities where it is familiar.
To consider
- The pronunciation genuinely splits: DAL-yuh, DAHL-yuh and DAY-lee-uh are all in use. She will correct people occasionally, and it is worth deciding which one you mean before the birth announcement.
- The silent h is easy to lose. Expect Dalia, Dalya and Daliah on forms, and a lifetime of spelling it out once.
- The 1947 Los Angeles murder case known as the Black Dahlia still attracts films and books. It attaches to the phrase rather than the name, and most people meet the flower first, but it exists.
Delaney
Strengths
- Spelling and pronunciation match, so most English speakers get it right on the first reading and the first hearing.
- Comes with ready-made short forms — Laney, Del, Dee — none of which need inventing.
- A documented surname for many centuries in Ireland, which gives it a long record behind a modern-sounding first name.
To consider
- It still reads as a surname to many people, so expect it to be occasionally taken as a last name on forms, rosters and introductions.
- Delaney and Delany both have real history, which means the second E gets dropped and re-added by other people for life.
- In the United States it is now given almost entirely to girls, though the underlying surname carries no gender at all — worth knowing if you were considering it for a son.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Dahlia
55%chance Dahlia feels dated by 2040
Dahlia 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.
Delaney
30%chance Delaney feels dated by 2040
Delaney is on its second act. Revived names age gently: the generation that wore them first is far enough away that the name feels classic rather than dated.
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 Dahlia and Delaney 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 Dahlia and Delaney?
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
- Flower names in full bloom
- Names ending in -ia
- Vintage names making a comeback
- Seven-letter names, ranked by real use
- all guides
Where Dahlia and Delaney each sit in the library — alternatives in the same style, ranked by the same records.
Dahlia or Delaney — the short answers
- Which is more popular, Dahlia or Delaney?
- Dahlia, in 2025: Dahlia ranked #215 with 1,420 babies; Delaney ranked #242 with 1,283 babies.
- Which name is rising faster, Dahlia or Delaney?
- Dahlia. Over the last five years Dahlia moved up 139 places; Delaney moved up 71 places.
- Which is the older name, Dahlia or Delaney?
- Dahlia entered the US charts in 1890; Delaney entered the US charts in 1939. On the American record, Dahlia is the older name.
- How many people are named Dahlia and Delaney?
- About 18,500 people named Dahlia are estimated to be alive in the US today. About 45,000 people named Delaney are estimated to be alive in the US today.
- Do Dahlia and Delaney share a nickname?
- Yes — both shorten to Dee, so in a house with both names the short form would not say which child is meant.
US figures from the Social Security Administration, 1880–2025. Votes are battle voters on this site, not the birth record. Data & methodology
Keep playing
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