Kayce
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The story
Kayce is a variant of Casey or Case, depending on how a family says it. Casey runs back through an Irish surname to Cathassach, which means vigilant in Irish. For decades the American record belonged to the girls: 28 in the 1950s, rising to 866 in the 1990s, with the boys' column barely awake, never more than 192 in any decade through the 2010s. Then television rewrote it. Kayce Dutton rode into Yellowstone in 2018, and the boys' line went vertical: 3,039 so far this decade, more than all its earlier boys' decades combined, many times over. The girls' figure sits at 363. A name that spent half a century leaning one way flipped in a single franchise. Vigilant, the old meaning says. The record suggests it was watching for its moment.
How popular is Kayce around the world?
In the United States, 3,402 babies were named Kayce between 2020 and 2025. In New Zealand, 26 boys named Kayce were registered in 2025.
Kayce is on the official records of the United States, New Zealand, Canada, Ireland, England and Wales, South Australia and Brazil.
United States
1 in 6,400
In the United States, 3,402 babies were named Kayce between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Kayce peaked in the 2020s. Kayce went to 51 US babies in 2015 and 928 in 2025, 18.2 times as many.
Births with a Social Security record. Source: U.S. Social Security Administration
New Zealand
1 in 2,200
In New Zealand, 26 boys named Kayce were registered in 2025.
share of that year’s name registrations
First given names from New Zealand birth registrations, grouped by registration year; any name under 10 in a year is excluded at source. Shares divide by Stats NZ’s count of births registered to mothers living in New Zealand, under 1% below the registry’s own count. Source: Department of Internal Affairs (New Zealand), baby name popularity over time
Canada
1 in 2,600
In Canada, 134 boys named Kayce were born in 2024, the 242nd most common name among boys that year.
share of that year’s name registrations
First given names from provincial and territorial vital statistics across Canada; any name-sex-year under 5 is excluded at source, and small Quebec counts carry a randomized adjustment made at source. Shares divide by Statistics Canada’s count of live births for the year; the 2024 count is preliminary. Source: Statistics Canada, first names at birth (table 17-10-0147-01)
Ireland
1 in 3,200
In Ireland, 17 boys named Kayce were born in 2025, the 262nd most common name among boys that year.
share of that year’s name registrations
Exact registered spellings from Irish vital statistics; any name under 3 in a year is withheld at source, and accented spellings (fadas) are recorded reliably only from 2018. Source: Central Statistics Office (Ireland), Irish babies' names
England and Wales
1 in 6,900
In England and Wales, 85 boys named Kayce were born in 2025, the 452nd most common name among boys that year.
share of that year’s name registrations
Birth registrations in England and Wales (not the whole UK); exact spellings are counted separately, and any spelling under 3 in a year is withheld at source. Source: Office for National Statistics, baby names in England and Wales
South Australia
1 in 18,0002017
In South Australia, 1 boy was registered as Kayce in 2017.
The count never rose above 1 in a year, too few to chart.
Births registered in South Australia (not all of Australia) by first name and year of registration, 1944–2017, from the state’s Births, Deaths and Marriages registry, which publishes every name down to a single birth in capitals; a spelling its export repeats inside a year is counted once, and from 2018 only a top 100 is published, so the series ends at 2017. Source: Consumer and Business Services (South Australia), popular baby names
Brazil
At the 2022 census, 44 people in Brazil were named Kayce, ranked 72,674th, with a median age of 17.
People alive and resident in Brazil at the 2022 census, a living-population count, not births; names under 20 are withheld at source. Source: IBGE, Censo Demográfico 2022
Scotland
last on record 2023
Kayce is not on the 2024 record for Scotland, where spellings under 3 in total are suppressed at source.
The count never rose above 5 in a year, too few to chart.
Births registered in Scotland; different spellings count separately but accents are merged at source, and any spelling under 3 in total is suppressed. Source: National Records of Scotland, babies' first names
Not on the record in Spain, Mexico City, Argentina, Puerto Rico and Poland: those registries withhold small counts, so rare uses may sit below their floors.
Not on the Chile record: nametree keeps spellings that reached 5 registrations in some year, so rarer uses are not shown. Not on the Montevideo record for 1940 to 2011: that registry withholds nothing, so this spelling was not given there in those years. Not on the France record: nametree keeps spellings that reached 20 births in some year, so rarer uses are not shown. Not on the Austria record for 1984 to 2025: Statistik Austria publishes every first name down to a single birth, so this name was not given there in those years (before 2010 the record covers babies with Austrian citizenship only). Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
When you meet Kayce
Most people given the name Kayce in the United States are children or teenagers today. The name belongs to this generation.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
Keep exploring
Nicknames for Kayce · Gender-neutral names · Climbers and fallers
The Kayce deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Kayce truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Kayce fits with your family’s names and surname.
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