Erin vs Ruby
Erin and Rubycompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.
Head to head
Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.
New South Wales, Australia · Girls
In 2011, Erin was ranked #81 and Ruby #2 among girls in New South Wales, Australia.
New Zealand · Girls
In 2004, Erin was ranked #96 and Ruby #20 among girls in New Zealand.
Northern Ireland · Girls
In 2024, Erin was ranked #25 and Ruby #38 among girls in Northern Ireland.
Scotland · Girls
In 2024, Erin was ranked #72 and Ruby #34 among girls in Scotland.
Republic of Ireland · Girls
In 2025, Erin was ranked #71 and Ruby #36 among girls in Republic of Ireland.
England and Wales · Girls
In 2024, Erin was ranked #65 and Ruby #41 among girls in England and Wales.
England and Wales · Boys
In 2007, Erin was ranked #2741 and Ruby #4333 among boys in England and Wales.
Erin and Ruby over time
Erin and Ruby appear together in 4 published lists, across 102 years of shared records. Ruby held the stronger position in more years in 3 of them, Erin in 1.
The order between them changed and held in 3 of those lists — a change in that published list, never a claim that one name displaced the other.
Erin reached its own highest recorded position earlier in 3 of those lists, and Ruby in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
How this pair is related
The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.
- One moved ahead of the other
In 2004, Ruby moved ahead of Erin in England and Wales · Girls — #36 and #47 the year before became #36 and #31.
- Repeatedly exchanged positions
Erin and Ruby changed places 8 times in Northern Ireland · Girls between 1998 and 2024, ending at #25 and #38.
- Closest over the longest run
Across 29 shared years in England and Wales · Girls, Erin and Ruby averaged 22.8 places apart, ending at #65 and #41.
- Longest-running competitions
Erin and Ruby were both ranked in Republic of Ireland · Girls for 34 years, from 1991 to 2025, ending at #71 and #36.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Girls within 2 years — Erin #27 in 2007, Ruby #1 in 2007.
List by list
Republic of Ireland · Girls34 shared years, 1991–2025
Erin held the stronger position in 16 of those years, Ruby in 18.
Highest recorded here: Erin #34 in 2006, Ruby #16 in 2013.
The order changed in 2023: Ruby moved ahead. In 2022 they stood at #35 and #38; by 2023 that had become #40 and #37.
Most recent shared year, 2025: Erin #71, Ruby #36.
England and Wales · Girls29 shared years, 1996–2024
Erin held the stronger position in 8 of those years, Ruby in 21.
Highest recorded here: Erin #27 in 2007, Ruby #1 in 2007.
The order changed in 2004: Ruby moved ahead. In 2003 they stood at #36 and #47; by 2004 that had become #36 and #31.
Most recent shared year, 2024: Erin #65, Ruby #41.
Northern Ireland · Girls27 shared years, 1998–2024
Erin held the stronger position in 23 of those years, Ruby in 4.
Highest recorded here: Erin #5 in 2009, Ruby #18 in 2011.
The order between them never changed and held in this list.
Most recent shared year, 2024: Erin #25, Ruby #38.
New South Wales, Australia · Girls12 shared years, 1997–2011
Erin held the stronger position in 2 of those years, Ruby in 10.
Highest recorded here: Erin #44 in 2001, Ruby #2 in 2011.
The order changed in 1999: Ruby moved ahead. In 1998 they stood at #45 and #72; by 1999 that had become #49 and #47.
Most recent shared year, 2011: Erin #81, Ruby #2.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Side by side
| Field | Erin | Ruby |
|---|---|---|
| Record type | Editorially researched profile | Editorially researched profile |
| Gender usage | female | female |
| Meaning | An Anglicized form of Éireann, the Irish name for Ireland itself. | Taken from the gemstone name; the ruby is the traditional July birthstone. As a given name it came into use in the 16th century. |
| Origin | Irish | English, ultimately from Latin rubeus ('red') |
| Pronunciation | /ˈɛɹ.ɪn/ | /ˈruːbi/ |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Girls #71 (2025) | New South Wales, Australia · Girls #28 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | 90/100 |
| Spelling simplicity (demonstration score) | 95/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Erin is recorded with a Irish origin, while Ruby is recorded with a English, ultimately from Latin rubeus ('red') origin.
- Erin and Ruby both have 2 syllables.
- Erin's recorded meaning differs from Ruby's — see the table above for each.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ.
How each name got here
Erin
Popularity journey
First recorded1975
First recorded at #89 among girls in New Zealand in 1975 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New Zealand · Girls
Highest recorded1997–2024
Highest recorded position: #5 among girls in Northern Ireland, in 2009 (recorded 1997–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #71 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Ruby
Popularity journey
First recorded1991
First recorded at #515 among girls in Republic of Ireland in 1991 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1996–2024
Highest recorded position: #1 among girls in England and Wales, in 2007 (recorded 1996–2024).
England and Wales · Girls
Most recent2025
Most recently recorded at #28 among girls in New South Wales, Australia, in 2025.
New South Wales, Australia · Girls