Isay

Boys' name

Form of Isaiah

Isay has been given to 84 babies in the U.S. since 2002. 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 2005, with 11 recorded.

Babies named Isay, 2015

1 in 529,000

Isay over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Isay: meaning, origin, and history

Form of Isaiah

Deeper origin not confirmed in the cited records

What Isay means

Isay is a form of Isaiah.

Documented naming usage and pronunciation

Isay is used in Russian (Rare).

Another recorded pronunciation is /ɪ.ˈsaj/ for Isay.

Meaning behind the documented name family

The name developed through Isay → Isaiah. The family’s proposed meaning is “Yahweh is salvation”, recorded in the naming reference for Isaiah.

Origin, language, and formation

Isay is used in Tagalog.

Related names and everyday forms

Related names include Isaiah, Luisa, Melissa, Clarissa and Marissa.

Pronunciation and spelling

In Tagalog, Isay is pronounced /ˈʔisaj/.

American usage and historical context

In the United States, 84 boys were recorded with the name Isay between 2002 and 2015. Its highest annual count was 11 in 2005; its best national rank was #6,810 in 2005.

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 Isay?

Isay had fewer than 5 recorded uses in 2025, so these figures use 2015, the last year it was published.

Among all babies, 2015: 1 in 529,000; 7 of 3,701,574 births
Among boys only: 1 in 274,000; <0.01% of boys
Rank, 2015: Unranked; Fewer than 5 uses
Coin-flip room size: 366,535 kids; Even odds of a second one

Where Isay 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 2015 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 366,535 children born in 2015 and it's an even bet that one of them is another Isay. In a class of 30 the chance is Under 1%.

When Isays were born

Half of everyone ever recorded as Isay was born before 2007 — so the typical Isay is around 18 today.

Median birth year: 2007; About 18 years old
Biggest decade: 2000s; 65.5% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 84; People you could plausibly meet

Choose a decade

2000s — 65.5% of all recorded uses (55).

Is Isay 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 2005 (11)
Years since peak: 20; Years
Year-to-year steadiness: Volatile; 31.1% average annual change
Best rank ever: #6,810; 2005

Spellings of Isay

Isay is not the most common spelling — Isaac is, with 21.4% against Isay's <0.01%.

Isaac21.4%331,508
Ian16.6%257,664
Ray13.2%204,701
Jay12.6%195,548
Ivan9.7%150,137
Sam8.2%127,234
Ira3.6%55,410
Clay2.6%40,252

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.

Isay 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: #6,810; 2005
Peak year: 2005; 11 that year
First recorded: 2002
Last recorded: 2015
All-time count: 84
Count in 2025: Under 5

Names similar to Isay

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

Isan Isair Isam Isahi Isais Isaack Isah Isao Isaya Isaha Isami Isaia Isaid Isandro Isak Isaul Qusay Isaish Isaiyah Isack Isamar Isaic Isauro Isau

Sibling names for Isay

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

For a sister

Jaci Yahaira Pilar Anisa Jamya Yajaira Anjali Anneliese

For a brother

Braulio Johnpaul Jamarion Kenyon Paulo Yair Kadin Lavon

Explore around Isay

Top names of 2005, Isay's peak year The 2000s in full Other names that peaked in 2005 Boys' names starting with I