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Jacy

#7,640 in 2025UnisexGirls' nameBoys' name

Literal meaning not recorded; Old Tupi origin

Jacy has been given to 4,172 babies in the U.S. since 1961. In 2025 it ranked #7,640 of 17,293 girls’ names in use. Its peak year was 1992, with 150 recorded. It's used for both sexes: 82% girls, 18% boys all-time.

Babies named Jacy, 2025

1 in 237,000

Jacy over time, 1880–2025

GirlsBoys
05010015018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Jacy over time

In 2025, Jacy went to 100% girls and 0% boys.

19122025

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

Jacy: meaning, origin, and history

Literal meaning not recorded; Old Tupi origin

Old Tupi

What Jacy means

Jacy is a given name.

Origin, language, and formation

Jacy is used in Portuguese. Its origins include Old Tupi.

Pronunciation and spelling

In Portuguese, Jacy is pronounced /ʒaˈsi/.

American usage and historical context

In the United States, 3,416 girls were recorded with the name Jacy between 1961 and 2025. Its highest annual count was 150 in 1992; its best national rank was #1,168 in 1992.

Over 5 years its rank fell, from #5,222 in 2020 to #7,640 in 2025. Over 10 years its rank fell, from #3,943 in 2015 to #7,640 in 2025.

In the United States, 756 boys were recorded with the name Jacy between 1912 and 2024. Its highest annual count was 28 in 2000; its best national rank was #2,034 in 1977.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Jacy?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 237,000
14 of 3,315,165 births
Among girls only
1 in 115,000
<0.01% of girls
Rank, 2025
#7,640
of 17,293 girls’ names in use
Coin-flip room size
164,137 kids
Even odds of a second one

Where Jacy sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 164,137 children born in 2025 and it's an even bet that one of them is another Jacy. In a class of 30 the chance is Under 1%.

When Jacys were born

Half of everyone ever recorded as Jacy was born before 1998 — so the typical Jacy is around 27 today.

Median birth year
1998
About 27 years old
Biggest decade
1990s
30.8% of all use
Born in the last 25 years
40.4%
Spread across generations
Recorded since 1950
3,416
People you could plausibly meet
Choose a decade

1990s — 30.8% of all recorded uses (1,052).

Is Jacy rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−1,385
Places dropped
Rank vs 5 years ago
−2,418
Places dropped
Rank vs 10 years ago
−3,697
Places dropped
Births vs 10 years ago
0.37×
Fewer babies than then
Share of its own peak
9.3%
Peak was 1992 (150)
Years since peak
33
Years
Year-to-year steadiness
Shifting
13.5% average annual change
Best rank ever
#1,168
1992

Spellings of Jacy

Jacy is not the most common spelling — Mary is, with 49.3% against Jacy's 0.04%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Jacy is used — girls

Across 1910–2025, Jacy was most concentrated in Oklahoma — about 1 in 25,000 girls, against 1 in 116,979 across all states with data. It was least common in Wisconsin (1 in —).

04 per 100,000

Most concentrated

  1. 1Oklahoma1 in 25,000
  2. 2Texas1 in 25,000
  3. 3Arkansas1 in 100,000
  4. 4California1 in 100,000
  5. 5Georgia1 in 100,000
  6. 6Iowa1 in 100,000
  7. 7Illinois1 in 100,000
  8. 8Indiana1 in 100,000

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Jacy has too little recent state data to map, so this covers all years from 1910.

Where Jacy is used — boys

Across 1910–2025, Jacy was most concentrated in California — about 1 in — boys, against 1 in 2,558,013 across all states with data. It was least common in Texas (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2Texas1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Jacy has too little recent state data to map, so this covers all years from 1910.

Jacy around the world

Where Jacy ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2001–2014
    #5,691
    in 2014
  • Canada
    1991–2012
    #3,249
    in 2012

Popularity data from Office for National Statistics and Statistics Canada. ONS data under Open Government Licence v3.0. StatCan data under Statistics Canada Open Licence.

Notable people named Jacy

People whose public names include Jacy, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Jacy by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#7,640
Trend vs 5 yrs ago
Down 2,418
Best rank ever
#1,168
1992
Peak year
1992
150 that year
First recorded
1961
Last recorded
2025
All-time count
3,416
Count in 2025
14

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#2,034
1977
Peak year
2000
28 that year
First recorded
1912
Last recorded
2024
All-time count
756
Count in 2025
Under 5

Names similar to Jacy

Matched on shared beginnings and endings, similar length, and comparable popularity.

JackJaciJacieJaceJaceeJaceyKacyJackyJackiJacintaJacelynJacobJaclynnJacindaGracyLacyJacqueJackelynLegacyJacklynnMacyJacksonJacklynJackelin

Names with a curve like Jacy

Not spelling — timing. These names rose, peaked and faded in the same years as Jacy, so they read as being from the same moment even when they look nothing alike.

ClarisaMagaliJovannaChristiannaMaricruzRebekaAzucenaAutumYessicaFranchescaKarahKeyanna

Sibling names for Jacy

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Jacy

Top names of 1992, Jacy's peak yearThe 1990s in fullOther names that peaked in 1992Girls' names starting with JUncommon Portuguese Girl Names