Aaron vs Louis
Aaron and Louiscompared 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 · Boys
In 2019, Aaron was ranked #86 and Louis #43 among boys in New South Wales, Australia.
England and Wales · Boys
In 2024, Aaron was ranked #154 and Louis #47 among boys in England and Wales.
Republic of Ireland · Boys
In 2025, Aaron was ranked #71 and Louis #115 among boys in Republic of Ireland.
New Zealand · Boys
In 2016, Aaron was ranked #88 and Louis #82 among boys in New Zealand.
Scotland · Boys
In 2024, Aaron was ranked #114 and Louis #98 among boys in Scotland.
Northern Ireland · Boys
In 2024, Aaron was ranked #187 and Louis #104 among boys in Northern Ireland.
Norway · Boys
In 2025, Aaron was ranked #334 and Louis #295 among boys in Norway.
Aaron and Louis over time
Aaron and Louis appear together in 5 published lists, across 160 years of shared records. Aaron held the stronger position in more years in 4 of them, Louis in 1.
The order between them changed and held in 5 of those lists — a change in that published list, never a claim that one name displaced the other.
Aaron reached its own highest recorded position earlier in 5 of those lists, and Louis 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 2013, Louis moved ahead of Aaron in England and Wales · Boys — #69 and #81 the year before became #81 and #77.
- Repeatedly exchanged positions
Aaron and Louis changed places 5 times in England and Wales · Boys between 1996 and 2024, ending at #154 and #47.
- Closest over the longest run
Across 29 shared years in England and Wales · Boys, Aaron and Louis averaged 27.0 places apart, ending at #154 and #47.
- Longest-running competitions
Aaron and Louis were both ranked in Norway · Boys for 32 years, from 1980 to 2025, ending at #334 and #295.
List by list
Republic of Ireland · Boys60 shared years, 1965–2025
Aaron held the stronger position in 53 of those years, Louis in 7.
Highest recorded here: Aaron #6 in 1998, Louis #64 in 2018.
The order changed in 1973: Aaron moved ahead. In 1972 they stood at #194 and #184; by 1973 that had become #157 and #193.
Most recent shared year, 2025: Aaron #71, Louis #115.
Norway · Boys32 shared years, 1980–2025
Aaron held the stronger position in 21 of those years, Louis in 11.
Highest recorded here: Aaron #162 in 2015, Louis #185 in 2023.
The order changed in 2021: Louis moved ahead. In 2020 they stood at #210 and #230; by 2021 that had become #222 and #190.
Most recent shared year, 2025: Aaron #334, Louis #295.
England and Wales · Boys29 shared years, 1996–2024
Aaron held the stronger position in 13 of those years, Louis in 16.
Highest recorded here: Aaron #31 in 1998, Louis #38 in 2004.
The order changed in 2013: Louis moved ahead. In 2012 they stood at #69 and #81; by 2013 that had become #81 and #77.
Most recent shared year, 2024: Aaron #154, Louis #47.
Northern Ireland · Boys28 shared years, 1997–2024
Aaron held the stronger position in 25 of those years, Louis in 2.
Highest recorded here: Aaron #8 in 2000, Louis #84 in 2004.
The order changed in 2023: Louis moved ahead. In 2022 they stood at #131 and #142; by 2023 that had become #161 and #106.
Most recent shared year, 2024: Aaron #187, Louis #104.
New Zealand · Boys11 shared years, 1998–2016
Aaron held the stronger position in 7 of those years, Louis in 4.
Highest recorded here: Aaron #55 in 1999, Louis #62 in 2014.
The order changed in 2016: Louis moved ahead. In 2015 they stood at #80 and #84; by 2016 that had become #88 and #82.
Most recent shared year, 2016: Aaron #88, Louis #82.
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 | Aaron | Louis |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Best known as the name of Moses's elder brother and the first high priest of Israel in the Old Testament; the literal meaning of the name itself is not reliably established. | Not yet recorded |
| Origin | Biblical Hebrew (likely of Egyptian origin) | Not yet recorded |
| Pronunciation | /ˈɛrən/ | Not yet recorded |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Boys #71 (2025) | New South Wales, Australia · Boys #55 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Aaron has a recorded origin (Biblical Hebrew (likely of Egyptian origin)); Louis does not have one recorded yet.
- Aaron has 2 syllables, compared with 1 for Louis.
- A meaning is recorded for Aaron; Louis doesn't have one written yet.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ.
How each name got here
Aaron
Popularity journey
First recorded1965
First recorded at #222 among boys in Republic of Ireland in 1965 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1965–2025
Highest recorded position: #6 among boys in Republic of Ireland, in 1998 (recorded 1965–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #334 among boys in Norway, in 2025.
Norway · Boys
Louis
Popularity journey
First recorded1946
First recorded at #334 among boys in Norway in 1946 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1996–2024
Highest recorded position: #38 among boys in England and Wales, in 2004 (recorded 1996–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #55 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys