Marcy
Feminine · “of Mars”
Marcy is overwhelmingly a girls’ name — 21,787 girls against 256 boys since 1880.
Marcy has two quite different parents: Marcia, which comes from the god of war, and Mercy, which is a Puritan virtue name. American families used both, and the spelling does not distinguish them.
How old is the name Marcy?
Marcy first appears in US birth records in 1915 — 110 years ago. The typical Marcy alive today was born around 1969, making them about 56 years old. About 19,500 people named Marcy are estimated to be alive in the US today.
When was the name Marcy most popular?
Marcy peaked in 1971, reaching #256 nationally. Today it ranks #3459, 3,203 places below that high. See the whole 1971 chart.
Where it comes from
From Marcius to Marcy
The story of Marcy
Marcia and Marcella descend from one of Rome's old family names, and English used both from the medieval saints' calendars. Mercy is a quite separate English virtue name from the Puritan period, common enough in seventeenth-century registers to leave descendants. Marcy served as a pet form of both, and American use rose through the 1950s and 1960s, peaking in the mid-1960s.
Meaningscholars disagree
of Mars; mercy
Read through Marcia or Marcella, the meaning is 'of Mars', from the Roman family name Marcius. Read as a form of Mercy, it is the Latin merces, 'reward' or 'wages', which came through Christian Latin to mean the compassion shown to someone who has not earned it. The two are entirely unrelated.
How the name formed
- Marcius
- Marcia
- Marcy
Related forms: Marzia · Marcie · Mercy
Pronouncing Marcy
MAR-see
Two syllables, stress on the first. Marcy and Marcie are said identically.
Nicknames for Marcy
Moderate
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
- 1915
- Most girls named
- 19711,155 — the highest on record
- Peak rank
- #256reached in 1971
- Change vs 2023
- +12.8%44 in 2025, from 39
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.
Marcy in other languages
The same name elsewhere
- Marzia in Italian — related form
- Marcie in English — spelling variant
- Mercy in English — related form
Strongest US states over the last decade: Texas, New York, California.
Marcys among us
people named Marcy are estimated to be alive in the US today
About 1 girl in 36,529 born in 2025 was named Marcy
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Marcy
- #3459
- Marcy on the 2025 chart
- #888
- counting every spelling
The SSA counts spellings, not names. Marcy went to 44 girls in 2025, but Marci is the same name said out loud. Together the 2 spellings went to 72, which makes it the 888th most-given girls’ name of the year — 2,571 places above the chart.
- Marcy44
- Marci28
About 1 girl in 22,323 born in 2025 was given one of these spellings — against 1 in 36,529 for Marcy itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Glenna test
Every popular name lives one long story — a climb, a peak, a slow settling back. Marcy's later chapters haven't been written yet, so we borrowed them: Glenna climbed just as high around 1931, and its whole arc is on record. Line the two peaks up, and Glenna's path sketches the road Marcy is walking now.
Marcy 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 Marcy is headed
Marcy 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.
Marcy beside its neighbors
The names ranked closest to Marcy in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Two quite different traditions stand behind it, one Roman and one Puritan.
- Marcia and Marcella are both available as formal forms with deep records.
- Bright and quick, with no pronunciation risk.
- The parentage is genuinely ambiguous between two unrelated names.
- Marcie is an equally established spelling.
- It is closely dated to the middle of the twentieth century.
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What they receive
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Marcy
Feminine · #3459 in the U.S.
Frequently asked
- How many Marcys are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 19,500 people named Marcy are estimated to be alive in the US today.
- How do you spell Marcy?
- Marcy is the most-used spelling in US records — 44 of the 72 babies given the name in 2025. The others recorded are Marci.
- How popular is the name Marcy in 2025?
- Marcy ranks #3459 among US girl names in 2025, with 44 babies given the name.
- How rare is the name Marcy?
- About 1 in every 36,529 US girls born in 2025 was named Marcy — 44 in all.
- Will my child share the name Marcy with classmates?
- Marcy will almost certainly be the only one in school.
Ranked beside Marcy
Names sitting at a similar level of popularity right now.
Janey#3459 · Devon#3459 · Nitya#3459 · Zayah#3459 · Lively#3459 · Kynsley#3459 · Anaiya#3459 · Ena#3459
Looking for what else is popular rather than what resembles Marcy? See the current top 100.
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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