What does Bryn mean?
Bryn means “hill” in Welsh.
What does Iestyn mean?
Iestyn is the Welsh form of Justin, “just” or “fair.”
Bryn vs Iestyn
Which is more popular?
Bryn is more popular than Iestyn today: about 12 US babies were given the name Bryn in 2025, compared with 0 named Iestyn.
| Bryn | Iestyn | |
|---|---|---|
| Meaning | Hill | Just, fair |
| Origin | Welsh | Welsh |
| Gender | Boy | Boy |
| Pronunciation | BRIN | YES-tin |
| Syllables | 1 | 2 |
| First appeared | 1947 | 2010 |
| Peak year | 1990 (45) | 2010 (5) |
| In 2025 | 12 | 0 |
| Trend | Steady | Declining |
Popularity over time, 1880–2025
Bryn
Iestyn
Source: US Social Security Administration.
Births by decade
| Decade | Bryn | Iestyn |
|---|---|---|
| 2020s | 83 | 0 |
| 2010s | 153 | 5 |
| 2000s | 162 | 0 |
| 1990s | 261 | 0 |
| 1980s | 295 | 0 |
| 1970s | 181 | 0 |
| 1960s | 132 | 0 |
| 1950s | 54 | 0 |
| 1940s | 8 | 0 |
Frequently asked questions
Is Bryn or Iestyn more popular?
Bryn is more popular than Iestyn today: about 12 US babies were given the name Bryn in 2025, compared with 0 named Iestyn.
What is the difference between Bryn and Iestyn?
Bryn means Hill (Welsh origin), while Iestyn means Just, fair (Welsh origin).
Which name is older, Bryn or Iestyn?
In US records, Bryn first appears in 1947 and Iestyn in 2010, so Bryn has the longer recorded history.