UK name, mostly girls
Trinity
A feminine name meaning "the group of three.".
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Trinity is mostly registered for girls in the UK records. People looking for Trinity popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1541, with 20 babies registered with the name. Its strongest year in the published records was 2005, with 228 births.
This profile covers 2,551 England and Wales registrations across 29 recorded years from 1996 to 2024. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, 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 9% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 2,599 living people in the UK are called Trinity. 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 2025 or 2026.
Key insights
- • Trinity ranked #1541 for girls in England and Wales in 2024, with 20 registrations.
- • The name peaked in 2005, when 228 girls were registered as Trinity.
- • Trinity ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #451 in 2012.
- • About 2,599 living people in the UK are estimated to have Trinity as a first name, after adjusting past birth registrations with ONS life tables.
- • Across the England and Wales records shown here, 99.7% of Trinity registrations are for girls.
Latest rank (E&W)
#1541
2024
Births in 2024
20
Latest year
Peak year
2005
228 births
Estimated living
2,599
2026
Gender
Boy and girl registrations for Trinity
In England and Wales birth records, Trinity has been registered for both boys and girls. Across the years shown here, 0.3% of registrations are for boys and 99.7% 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.
Trinity registered for boys
- Ranked #4,527 in 2009
- 3 boys registered in 2009
- Peak: 2006 (4 births)
Trinity registered for girls
- Ranked #1,541 in 2024
- 20 girls registered in 2024
- Peak: 2005 (228 births)
Meaning
What does Trinity mean?
The name Trinity has its origins in the Christian concept of the Holy Trinity, which is the belief in a single God existing as three distinct, co-equal persons: the Father, the Son, and the Holy Spirit. The name is derived from the Latin word "trinitas," meaning "triad" or "three-in-one."
The concept of the Trinity has been a central tenet of Christianity since its early days, and the name Trinity has been used to honor this doctrine. One of the earliest recorded uses of the name Trinity can be found in the writings of the early Church Fathers, such as Tertullian (c. 155-240 AD) and Origen (c. 184-253 AD), who discussed and defended the doctrine of the Trinity.
In medieval times, the name Trinity gained popularity as a female name, particularly among Christian communities. It was often given to girls born on Trinity Sunday, which is celebrated eight weeks after Easter and commemorates the doctrine of the Holy Trinity.
One of the earliest known bearers of the name Trinity was Trinity Ames (c. 1580-1636), an English writer and Puritan activist who published works on religious subjects. Another notable figure was Trinity Minns (c. 1608-1637), a servant who was executed for theft in London during the reign of King Charles I.
In the 18th century, the name Trinity was associated with the renowned British mathematician and philosopher, Trinity Hicks (1718-1799). She made significant contributions to the field of mathematics and was one of the first women to be admitted to the Royal Society in London.
During the 19th century, the name gained further recognition with Trinity Audax (1828-1908), a French writer and activist who advocated for women's rights and social reform. Another notable figure was Trinity Muir (1841-1915), a Scottish nurse and philanthropist who established several hospitals and nursing homes.
In more recent times, the name Trinity has been carried by Trinity Shaw (1906-1993), an American actress and singer who appeared in numerous Broadway productions, and Trinity Kuo (1952-2022), a Taiwanese politician and human rights activist who fought against authoritarianism and played a pivotal role in Taiwan's democratic transition.
Sourced from namecensus.com.
Popularity
Trinity over time
The chart below compares boys and girls registered as Trinity in England and Wales, from 1996 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Trinity, the clearest high point is 2005. The latest England and Wales figure is 20 births in 2024, compared with 228 at the peak.
Babies born per year
Decades
Trinity by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Trinity 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 | #1253 | 139 | 5 |
| 2010s | #745 | 586 | 10 |
| 2000s | #261 | 1,785 | 10 |
| 1990s | #1873 | 41 | 4 |
Geography
Where Trinity is most common
The bars show the latest published local birth counts for Trinity. 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.
Trinity ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #451 in 2012.
Across the UK
Trinity in Scotland and Northern Ireland
Scotland (NRS)
#633 in 2007
6 years of NRS records, 28 total registered
Northern Ireland (NISRA)
#451 in 2012
9 years of NISRA records, 35 total registered
Related
Names similar to Trinity
- Tia 15,569
- Thea 12,888
- Tilly 11,524
- Taylor 7,401
- Tegan 6,583
- Tabitha 6,462
- Talia 5,198
- Tara 5,114
- Tiffany 4,653
- Tallulah 4,442
- Tiana 3,570
- Tamara 3,405
FAQ
Trinity: questions and answers
How popular is the name Trinity in the UK right now?
In 2024, Trinity was ranked #1541 for girls in England and Wales, with 20 births registered.
When was Trinity most popular?
The peak year on record was 2005, with 228 babies registered as Trinity in England and Wales.
What is the meaning and origin of Trinity?
A feminine name meaning "the group of three.".
How many people are called Trinity in the UK?
A total of 2,551 babies have been registered as Trinity across the 29 years of ONS England & Wales records shown here, plus 28 more in Scotland and 35 in Northern Ireland.
Where is Trinity most common?
In the latest published local rankings, Trinity ranks best in Northern Ireland, where it placed #451 in 2012. 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.