Mostyn
- Gender
- Boy
- Say it
- MOS-tin
- Origin
- Old English
- UK rank, 2025
- #3,329 for boys
Mostyn is a boys' name of Old English origin, meaning “settlement by the moss or bog”. In 2025 it ranked 3,329th for boys in the UK (6 babies).
What does Mostyn mean?
Old English: from Mostyn, a village in Flintshire, Wales
“settlement by the moss or bog”
Taken from the village of Mostyn in Flintshire, north Wales, long the seat of the Mostyn family.
Is Mostyn a girl's or a boy's name?
Mostyn is a boys' name. In 2025, it was given to 6 boys in the UK. Too few girls were given it to be listed.
How popular is Mostyn in the UK?
- Rank in 2025
- 3,329th among boys
- Babies in 2025
- 6 about 1 in 50,000 boys
- Five-year trend
- Rising up 29% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 6 boys in the UK were named Mostyn, making it the 3,329th most popular name for boys. Its busiest year was 2014, with 6 boys.
2025 had more boys named Mostyn than any year since 2015.
Half of all the boys named Mostyn in the UK since 1996 were born between 2011 and 2018, the years shaded on the chart below.
Among boys in 2025, it was 3,239th in England and Wales.
Mostyn in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 6 | #3,329 |
| 2024 | 3 | #5,198 |
| 2023 | 0 | – |
| 2022 | 0 | – |
| 2021 | 0 | – |
| 2020 | 0 | – |
| 2019 | 3 | #4,913 |
| 2018 | 4 | #4,169 |
| 2017 | 4 | #4,161 |
| 2016 | 0 | – |
| 2015 | 6 | #3,149 |
| 2014 | 6 | #3,125 |
| 2013 | 3 | #4,884 |
| 2012 | 4 | #4,147 |
| 2011 | 4 | #3,986 |
| 2010 | 3 | #4,865 |
| 2009 | 3 | #4,691 |
| 2008 | 4 | #3,836 |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 1 | #5,109 |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 1 | #4,138 |
Names like Mostyn
Names given in the same years and the same naming tradition, with a similar sound.
Mason, Austin, Alfie, Wilfred, Grayson, Noah, Reuben, Marley, Hudson, Isaac, Theo, Leo
More Old English names
Edward, Teddy, Waylon, Alfred, Audrey, Edith, Ozzy, Edie, Eddie, Edwin, Ted, Teddie, Eduardo, Edgar, Alden, Edmund
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Mostyn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/mostyn, updated 20 October 2026.