Head to head · Boys' names
Lachlan vs Nikolai
#606 vs #605 in 2025 · both holding its place on the charts
Nikolai is a whisker ahead (#605 vs #606 in 2025) and both are holding its place on the charts. 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, Nikolai leads 4 measures of 6; Lachlan 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
- 1950s: Lachlan #3765, Nikolai — — Lachlan higher
- 1960s: Lachlan #4039, Nikolai #3423 — Nikolai higher
- 1970s: Lachlan #4724, Nikolai #2297 — Nikolai higher
- 1980s: Lachlan #5242, Nikolai #2040 — Nikolai higher
- 1990s: Lachlan #4432, Nikolai #1404 — Nikolai higher
- 2000s: Lachlan #1686, Nikolai #1097 — Nikolai higher
- 2010s: Lachlan #872, Nikolai #555 — Nikolai higher
- 2020s: Lachlan #708, Nikolai #568 — Nikolai higher
Nikolai stood higher in 7 of 8 decades; Nikolai has held the lead since the 1960s.
Rank by decade
| Decade | Lachlan | Nikolai |
|---|---|---|
| 1950s | #3765 | — |
| 1960s | #4039 | #3423 |
| 1970s | #4724 | #2297 |
| 1980s | #5242 | #2040 |
| 1990s | #4432 | #1404 |
| 2000s | #1686 | #1097 |
| 2010s | #872 | #555 |
| 2020s | #708 | #568 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
Around the world
Lachlan
- Scotland#79
Nikolai
Not charting outside the US.
National statistics offices, latest published year.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Lachlan
from Lochlann — the Gaelic name for Scandinavia, so 'Norseman'
Lochlann is often read literally as 'land of the lochs' or 'land of the fjords', which is how the Gaels described the Norse homelands. Both the literal and the applied sense point the same way.
Lochlann → Lachlann → Lachlan
How it traveled
The name begins as Scottish Gaelic Lachlann, a form of Lochlann, the word the Gaels used for Scandinavia and its people. It became a hereditary favorite among the MacLachlans of Argyll — the surname itself simply means 'son of Lachlann' — and stayed in Highland use for centuries.
Nikolai
victory of the people
From the Greek elements nikē, victory, and laos, people.
Nikolaos → Nicolaus → Nikolai
How it traveled
The name begins as Greek Nikolaos and spread with the cult of Saint Nicholas, the fourth-century bishop of Myra in Asia Minor, who became one of the most widely venerated saints in Christendom and the patron saint of Russia. Passing through Latin Nicolaus and Church Slavonic, it settled into Russian as Nikolai and into Scandinavian usage in closely related forms.
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
Lachlan
LOCK-lun
The first syllable is the Scottish loch, though most American speakers say a plain 'lock'. You will also hear LAK-lun, and some readers guess LATCH-lan on first sight.
- Lachie — The standard informal short form in Scotland and Australia; sometimes written Lachy.
- Lochie — Spelling that makes the loch sound explicit; used informally, occasionally seen standing alone.
- Lockie — Phonetic spelling common in Australian informal use.
- Lach — Clipped one-syllable form, mostly among friends and family.
- Also Locke.
Nikolai
nik-oh-LYE
The Russian pronunciation stresses the last syllable, nee-kuh-LYE. Many American speakers say NIK-oh-lye, and some say nik-oh-LAY, closer to the spelling Nikolay. Any of these is defensible; picking one and saying it consistently is what saves repetition later.
- Niko — The most portable short form in English, and a standalone given name in Finland and Greece.
- Nick — Informal; shared with Nicholas, so it works everywhere without explanation.
- Kolya — The standard Russian affectionate short form, used within families rather than in formal settings.
- Nikki — Informal and childhood-leaning; also used as a short form of women's names in English.
- Also Nico.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Lachlan if you want…
- a name on the way upup 99 places on the charts in five years
- a name with fewer syllablesLachlan is 2 syllables to Nikolai's 3
- a name that charts abroad tooLachlan is on the national lists of Scotland
Choose Nikolai if you want…
- a name holding steadyNikolai is holding its place on the charts
- a name with more sound in itNikolai runs 3 syllables, Lachlan 2
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
Lachlan
Strengths
- The meaning is settled and easy to tell: Lochlann, the Gaelic word for Scandinavia and the Norse.
- Comes with short forms already in real use — Lachie, Lochie, Lockie — so nothing has to be invented.
- A documented Highland line stretching back centuries, preserved in the surname MacLachlan and the Irish Loughlin.
To consider
- The loch sound has no natural home in American English, so expect a mix of LOCK-lun, LAK-lun and the occasional LATCH-lan, and expect to correct it politely for years.
- Because it is written the way it is, people who have heard it but not seen it may try Lockland, Locklan or Loughlan. The spelling is standard; the familiarity is not yet.
- This is a name a child will likely carry alone in their class. That means no surname initial, and also no shortcut — it gets explained more often than a Jack or a Liam would.
Nikolai
Strengths
- Built on a root Americans already recognize from Nicholas, so the spelling is guessable from the sound after one hearing.
- Several established short forms, from the everyday Nick and Niko to the Russian Kolya, without needing to invent one.
- Exists as the same name in Greek, German, French, Italian, Polish and Scandinavian languages, which travels well in a mixed family.
To consider
- The stress is genuinely unsettled in American English — nik-oh-LYE, NIK-oh-lye and nik-oh-LAY all circulate. Expect to correct people, and decide early which one your family uses.
- Nikolai, Nicolai, Nikolay and Nicholai are all real spellings of the same name, so forms and spellings will need spelling out more often than Nicholas would.
- People who default to Nicholas may write that instead, and Nick will do a lot of the daily work — worth liking the short form as much as the long one.
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 Lachlan and Nikolai 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 Lachlan and Nikolai?
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.
Free to start · no account needed · everyone you invite votes in one tap
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 that carry both names
Every list here names both Lachlan and Nikolai — the same style, ranked by the same records.
Lachlan or Nikolai — the short answers
- Which is more popular, Lachlan or Nikolai?
- Nikolai, in 2025: Nikolai ranked #605 with 469 babies; Lachlan ranked #606 with 468 babies.
- Which name is rising faster, Lachlan or Nikolai?
- Lachlan. Over the last five years Lachlan moved up 99 places; Nikolai moved down 60 places.
- Which is the older name, Lachlan or Nikolai?
- Lachlan entered the US charts in 1952; Nikolai entered the US charts in 1960. On the American record, Lachlan is the older name.
- How many people are named Lachlan and Nikolai?
- About 6,100 people named Lachlan are estimated to be alive in the US today. About 11,000 people named Nikolai are estimated to be alive in the US today.
- Will there be other Lachlans or Nikolais in the classroom?
- Lachlan will almost certainly be the only one in school. Nikolai will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025; international figures from national statistics agencies. 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 Lachlan, Nikolai and the rest of your shortlist with your last name in one printable report.
Free to start · no account needed · everyone you invite votes in one tap