NameCensus.

UK name, mostly girls

Kay

A feminine name of Old English origin meaning keeper of the keys.

For 2026, the newest official UK baby-name figures on this page are from 2022. That release is the current official benchmark rather than a forecast.

Kay is mostly registered for girls in the UK records. People looking for Kay popularity in 2026 should use the latest official release, which is 2022 in this profile. In that release it ranked #3970, with 5 babies registered with the name. Its strongest year in the published records was 1996, with 66 births.

This profile covers 443 England and Wales registrations across 24 recorded years from 1996 to 2022. The figures come from ONS England and Wales and NRS Scotland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

The latest count is about 8% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 996 living people in the UK are called Kay. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2023 or 2026.

Key insights

  • Kay ranked #3970 for girls in England and Wales in 2022, with 5 registrations.
  • The name peaked in 1996, when 66 girls were registered as Kay.
  • Kay ranks best in Scotland in the latest published regional snapshot for that area, where it placed #512 in 2009.
  • About 996 living people in the UK are estimated to have Kay as a first name, after adjusting past birth registrations with ONS life tables.
  • Across the England and Wales records shown here, 94.5% of Kay registrations are for girls.

Latest rank (E&W)

#3970

2022

Births in 2022

5

Latest year

Peak year

1996

66 births

Estimated living

996

2026

Gender

Boy and girl registrations for Kay

In England and Wales birth records, Kay has been registered for both boys and girls. Across the years shown here, 5.5% of registrations are for boys and 94.5% are for girls.

These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.

94% girls
Boys26 (5.5%)Girls443 (94.5%)

Kay registered for boys

  • Ranked #4,702 in 2019
  • 3 boys registered in 2019
  • Peak: 2014 (4 births)

Kay registered for girls

  • Ranked #3,970 in 2022
  • 5 girls registered in 2022
  • Peak: 1996 (66 births)

Meaning

What does Kay mean?

The name Kay has its origins in various languages and cultures, with a rich history spanning centuries.

The name Kay is derived from the Middle English word "cay," which in turn originated from the Old French word "cai" or "quai," meaning "key." This connection to the concept of a key likely symbolized the ability to unlock or gain access to something important.

In Old English, the name Kay was also used as a variant spelling of the name "Caius," which was a Roman praenomen (personal name) derived from the Latin word "gaudere," meaning "to rejoice" or "to be glad."

The name Kay has been present in various historical records and texts. In ancient Greek mythology, Kay was the name of one of the sailors who accompanied the legendary hero Jason on the Argonautic expedition in search of the Golden Fleece.

In medieval literature, the name Kay is prominently associated with the character Sir Kay, who was the foster brother and seneschal (steward) of King Arthur in the Arthurian legends. Sir Kay played a significant role in the tales of the Knights of the Round Table and was often portrayed as a brave and loyal knight.

Some notable individuals throughout history who bore the name Kay include:

1. Kay Kyser (1905-1985), an American bandleader and radio personality who led the popular Kay Kyser Orchestra during the swing era. 2. Kay Francis (1899-1968), an American stage and film actress who achieved stardom during the 1930s and was known for her roles in films like "Trouble in Paradise" and "Dr. Monica." 3. Kay Kendall (1927-1959), an English actress and comedienne, known for her performances in films such as "Les Girls" and "The Reluctant Debutante." 4. Kay Lenz (born 1953), an American actress known for her roles in films like "Breezy" and the television series "Reasonable Doubts." 5. Kay Redfield Jamison (born 1946), an American clinical psychologist and writer, best known for her work on bipolar disorder and her memoir "An Unquiet Mind."

The name Kay has been a part of various cultures and has held different meanings throughout history, often associated with concepts of joy, access, and strength. Its enduring presence in literature, mythology, and the lives of notable individuals reflects its timeless appeal and versatility.

Sourced from namecensus.com.

Popularity

Kay over time

The chart below compares boys and girls registered as Kay in England and Wales, from 1996 to 2022. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Kay, the clearest high point is 1996. The latest England and Wales figure is 5 births in 2022, compared with 66 at the peak.

Babies born per year

BoysGirls
017335066199620092022

Decades

Kay by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kay was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #3970 5 1
2010s #3491 63 9
2000s #1581 184 10
1990s #577 191 4

Geography

Where Kay is most common

The bars show the latest published local birth counts for Kay. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Kay ranks best in Scotland in the latest published regional snapshot for that area, where it placed #512 in 2009.

Scotland
6

Across the UK

Kay in Scotland and Northern Ireland

Scotland (NRS)

#512 in 2009

34 years of NRS records, 566 total registered

Notable bearers

Famous people named Kay

  • Kay Stonham

    screenwriter; film director

    British actress

    2000-

  • Kay Wilson

    rugby union player; rugby league player; American football player; rugby sevens player

    English rugby union player

    1991-

  • Kay Tse

    singer; songwriter; recording artist

    Hong Kong singer and actress

    1977-

  • Kay Moran

    bowls player

    Scottish international lawn and indoor bowler

    1973-

  • Kay Morley-Brown

    athletics competitor

    Welsh hurdler

    1963-

  • Kay Purcell

    actor

    English actress (1963–2020)

    1963-2020

  • Kay Mellor

    screenwriter; actor; film director

    British screenwriter and actress

    1951-2022

  • Kay Parker

    actor; pornographic actor; erotic photography model; model; film actor

    English pornographic film actress

    1944-2022

Related

Names similar to Kay

FAQ

Kay: questions and answers

How popular is the name Kay in the UK right now?

In 2022, Kay was ranked #3970 for girls in England and Wales, with 5 births registered.

When was Kay most popular?

The peak year on record was 1996, with 66 babies registered as Kay in England and Wales.

What is the meaning and origin of Kay?

A feminine name of Old English origin meaning keeper of the keys.

How many people are called Kay in the UK?

A total of 443 babies have been registered as Kay across the 24 years of ONS England & Wales records shown here, plus 566 more in Scotland.

Where is Kay most common?

In the latest published local rankings, Kay ranks best in Scotland, where it placed #512 in 2009. The regional bars on this page use birth counts, so they also reflect the size of each region.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.