Cy

Boy name

Cy has been given to 3,921 babies in the U.S. since 1902. It peaked in 2010.

Meaning & origin /saɪ/

Shortening.

Etymology adapted from Wiktionary, licensed CC BY-SA 4.0.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

3,921

Peak year

2010 (117 babies)

Rank in 2025

Below top 1000

First recorded

1902

10-year trend

▼ -15%

Gender split

1% girls / 99% boys

Spellings & variants

Names one letter away from Cy — alternate spellings parents actually use.

Tyboy

48,344 babies since 1915

Coyboy

18,214 babies since 1880

Kyboy

1,659 babies since 1950

Cjboy

1,556 babies since 1968

Mygirl

1,340 babies since 1971

Vygirl

1,326 babies since 1979

Names with a similar vibe

Same primary gender, peaked around the same years, and roughly as common as Cy.

Aedanboy

3,905 babies since 1988

Keelanboy

3,942 babies since 1967

Cristianoboy

3,898 babies since 1989

Jayvonboy

3,893 babies since 1979

Kyanboy

3,955 babies since 1974

Bradleeboy

3,870 babies since 1947

Treyvonboy

3,974 babies since 1986

Ethenboy

3,858 babies since 1917

FAQ

How popular is the name Cy?

Cy has been given to 3,921 babies in the U.S. since 1902. It ranked below the top 1000 in 2025.

When did the name Cy peak?

Cy peaked in 2010, when 117 babies were given the name.

Is Cy a girl or boy name?

Cy is primarily a boy name (99% of babies named Cy are boys).

Get new name insights first

Occasional updates when we add new data & tools. No spam, unsubscribe anytime by replying to any email or writing to hello@zalize.com.

By subscribing you agree to our privacy policy. We store only your email address and the date you signed up.