Sky
Feminine · Old Norse roots · “the sky”
Sky is given to both — 9,743 girls and 4,205 boys since 1880. See Sky as a boy nameSee other names given to both
Sky is an ordinary English word doing extraordinary duty. The word itself arrived with Norse speakers — Old Norse ský meant "cloud" — and in Middle English it widened until it covered the whole visible dome overhead, taking over ground that Old English had given to "heaven". One syllable, open vowel, nothing to explain: a name that lands the first time it is said.
How old is the name Sky?
Sky first appears in US birth records in 1958 — 67 years ago. The typical Sky alive today was born around 2011, making them about 14 years old. About 9,600 people named Sky are estimated to be alive in the US today.
When was the name Sky most popular?
Sky peaked in 2021, reaching #710 nationally. Today it ranks #948, 238 places below that high. See the whole 2021 chart.
Where it comes from
From ský (Old Norse, "cloud") to Sky
The story of Sky
Sky is a vocabulary name rather than an inherited one: the word entered English from Old Norse and stayed, and English speakers later began handing out visible pieces of nature as first names — Rose, Dawn, Rain, Star. Sky joined that company in American records and has kept a steady, modest presence there ever since, given to boys and girls alike without the spelling changing. The variant Skye adds a second road, pointing toward the Scottish island whose own name has a separate and much-argued history. Sky is also what people often call a Skylar, a Skyla or a Schuyler, so the syllable circulates far more widely than the standalone name suggests.
Meaning
the sky; from an Old Norse word for "cloud"
The English word came from Old Norse ský, "cloud", and shifted in Middle English to mean the firmament as a whole. Both senses sit inside the name.
How the name formed
- skýOld Norse, "cloud"
- skyMiddle English
- Sky
Related forms: Skye · Skyla · Skylar
Pronouncing Sky
SKY
One syllable, rhyming with "high". Identical in sound to the everyday word, and to the spelling Skye.
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1958
- Most girls named
- 2022396 — the highest on record
- Peak rank
- #710reached in 2021
- Change vs 2024
- −18.3%272 in 2025, from 333
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Sky in other languages
The same name elsewhere
- Skye in English (Scottish-influenced) — spelling variant
- Skyla in English — related form
- Skylar in English — related form
Strongest US states over the last decade: California, Texas, Florida.
Skys among us
people named Sky are estimated to be alive in the US today
About 1 girl in 5,909 born in 2025 was named Sky
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
The Sherron test
Every popular name lives one long story — a climb, a peak, a slow settling back. Sky's later chapters haven't been written yet, so we borrowed them: Sherron climbed just as high around 1943, and its whole arc is on record. Line the two peaks up, and Sherron's path sketches the road Sky is walking now.
Sky 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 scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Sky is headed
Sky should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Sky beside its neighbors
The names ranked closest to Sky in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- One syllable and one obvious pronunciation — nobody has to be taught how to say it.
- Spelled exactly like a word every English speaker already knows, so it survives dictation and phone calls intact.
- The sound carries easily into other languages, with nothing in it that trips a non-English mouth.
- Rare enough in any given school that a child is unlikely to share it, while still fully familiar as a word.
- Sky and Skye are pronounced the same and both are in real use, so the spelling will need saying aloud fairly often — a small, lifelong clarification rather than a problem.
- There is no long formal version and no shorter nickname; the name is already at its shortest, which suits some families and leaves others wishing for a second option.
- It is given to boys and girls with the same spelling, so on paper alone it signals nothing about which — worth knowing, since it means forms and rosters will sometimes guess wrong.
- As a nature word, it sits recognizably within a particular modern style of naming, and styles do move. It has held a quiet, continuous place rather than a fashionable spike, which tends to age better.
Nobody names a baby alone.
Put Sky to the vote.
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What they receive
Someone added a name to your list
Sky
Feminine · Old Norse roots · #948 in the U.S.
Frequently asked
- How many Skys are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 9,600 people named Sky are estimated to be alive in the US today.
- How popular is the name Sky in 2025?
- Sky ranks #948 among US girl names in 2025, with 272 babies given the name.
- How rare is the name Sky?
- About 1 in every 5,909 US girls born in 2025 was named Sky — 272 in all.
- Will my child share the name Sky with classmates?
- Sky will almost certainly be the only one in school.
Ranked beside Sky
Names sitting at a similar level of popularity right now.
Marcella#948 · Sunday#946 · Sariah#950 · Yuna#950 · Zyla#950 · Milena#950 · Madalyn#946 · Mariella#943
Looking for what else is popular rather than what resembles Sky? See the current top 100.
Choosing between Sky and another name?
See them side by side — full stats, history and a gentle verdict.
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Weighing a whole shortlist? Add the rest in the builder, or settle it with a bracket.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
US figures from the Social Security Administration. 1880–2025. Data & methodology
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