Zy

UnisexBoys' nameGirls' name

Meaning not yet documented

Zy has been given to 84 babies in the U.S. since 2004. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2019, with 11 recorded. It's used for both sexes: 93% boys, 7% girls all-time.

Babies named Zy, 2023

1 in 331,000

Zy over time, 1880–2025

BoysGirls
05101518801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 — Zy over time

In 2023, Zy went to 0% girls and 100% boys.

20042023

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.

How common is Zy?

Zy had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023
1 in 331,000
10 of 3,314,783 births
Among boys only
1 in 171,000
<0.01% of boys
Rank, 2023
Unranked
Fewer than 5 uses
Coin-flip room size
229,764 kids
Even odds of a second one

Where Zy sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2023 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 229,764 children born in 2023 and it's an even bet that one of them is another Zy. In a class of 30 the chance is Under 1%.

When Zys were born

Half of everyone ever recorded as Zy was born before 2017 — so the typical Zy is around 8 today.

Median birth year
2017
About 8 years old
Biggest decade
2010s
42.3% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
78
People you could plausibly meet
Choose a decade

2010s — 42.3% of all recorded uses (33).

Is Zy 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
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2019 (11)
Years since peak
6
Years
Year-to-year steadiness
Volatile
33.6% average annual change
Best rank ever
#7,635
2019

Zy around the world

Where Zy 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.

  • South Australia
    2005–2009
    #708
    in 2009

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Zy by the numbers

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

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#7,635
2019
Peak year
2019
11 that year
First recorded
2004
Last recorded
2023
All-time count
78
Count in 2025
Under 5

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#16,747
2011
Peak year
2011
6 that year
First recorded
2011
Last recorded
2011
All-time count
6
Count in 2025
Under 5

Names similar to Zy

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

Sibling names for Zy

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 Zy