Aiden vs Isaac
Aiden and Isaaccompared 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 2024, Aiden was ranked #70 and Isaac #19 among boys in New South Wales, Australia.
Northern Ireland · Boys
In 2024, Aiden was ranked #216 and Isaac #26 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Aiden was ranked #145 and Isaac #37 among boys in England and Wales.
New Zealand · Boys
In 2023, Aiden was ranked #100 and Isaac #46 among boys in New Zealand.
Scotland · Boys
In 2024, Aiden was ranked #135 and Isaac #49 among boys in Scotland.
Republic of Ireland · Boys
In 2025, Aiden was ranked #149 and Isaac #104 among boys in Republic of Ireland.
Norway · Boys
In 2025, Aiden was ranked #301 and Isaac #251 among boys in Norway.
Aiden and Isaac over time
Aiden and Isaac appear together in 6 published lists, across 156 years of shared records. Isaac held the stronger position in more years in 6 of them, Aiden in 0.
The order between them changed and held in one of those lists — a change in that published list, never a claim that one name displaced the other.
Aiden reached its own highest recorded position earlier in 4 of those lists, Isaac in 2. 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 2000, Isaac moved ahead of Aiden in Republic of Ireland · Boys — #214 and #241 the year before became #347 and #183.
- Repeatedly exchanged positions
Aiden and Isaac changed places 6 times in Norway · Boys between 2006 and 2025, ending at #301 and #251.
- Closest over the longest run
Across 26 shared years in New South Wales, Australia · Boys, Aiden and Isaac averaged 32.9 places apart, ending at #70 and #19.
- Mirrored each other
Over 37 shared years in Republic of Ireland · Boys, Isaac rose about as far as Aiden fell — from #94 and #232 in 1964 to #149 and #104 in 2025.
- Longest-running competitions
Aiden and Isaac were both ranked in Republic of Ireland · Boys for 37 years, from 1964 to 2025, ending at #149 and #104.
- Peaked in the same years
Both reached their highest recorded position in New Zealand · Boys within 2 years — Aiden #50 in 2011, Isaac #17 in 2010.
List by list
Republic of Ireland · Boys37 shared years, 1964–2025
Aiden held the stronger position in 7 of those years, Isaac in 30.
Highest recorded here: Aiden #92 in 1968, Isaac #77 in 2014.
The order changed in 2000: Isaac moved ahead. In 1999 they stood at #214 and #241; by 2000 that had become #347 and #183.
Most recent shared year, 2025: Aiden #149, Isaac #104.
England and Wales · Boys29 shared years, 1996–2024
Aiden held the stronger position in 0 of those years, Isaac in 29.
Highest recorded here: Aiden #61 in 2011, Isaac #20 in 2015.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aiden #145, Isaac #37.
Northern Ireland · Boys28 shared years, 1997–2024
Aiden held the stronger position in 0 of those years, Isaac in 28.
Highest recorded here: Aiden #149 in 2011, Isaac #20 in 2020.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aiden #216, Isaac #26.
New South Wales, Australia · Boys26 shared years, 1999–2024
Aiden held the stronger position in 0 of those years, Isaac in 26.
Highest recorded here: Aiden #33 in 2010, Isaac #8 in 2015.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aiden #70, Isaac #19.
Norway · Boys20 shared years, 2006–2025
Aiden held the stronger position in 3 of those years, Isaac in 17.
Highest recorded here: Aiden #212 in 2017, Isaac #164 in 2014.
The order between them never changed and held in this list.
Most recent shared year, 2025: Aiden #301, Isaac #251.
New Zealand · Boys16 shared years, 2008–2023
Aiden held the stronger position in 0 of those years, Isaac in 16.
Highest recorded here: Aiden #50 in 2011, Isaac #17 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2023: Aiden #100, Isaac #46.
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 | Aiden | Isaac |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | Traditionally understood as 'he will laugh' or 'he laughs', tied to the biblical narrative in which Abraham and Sarah laugh at the prophecy of Isaac's birth in their old age. |
| Origin | Not yet recorded | Biblical Hebrew, transmitted into English via Greek Isaak and Late Latin Isaac |
| Pronunciation | Not yet recorded | /ˈaɪzək/ |
| Syllables | 2 | 2 |
| 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 #149 (2025) | New South Wales, Australia · Boys #26 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 94/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Isaac has a recorded origin (Biblical Hebrew, transmitted into English via Greek Isaak and Late Latin Isaac); Aiden does not have one recorded yet.
- Aiden and Isaac both have 2 syllables.
- A meaning is recorded for Isaac; Aiden 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
Aiden
Popularity journey
First recorded1964
First recorded at #94 among boys in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1999–2024
Highest recorded position: #33 among boys in New South Wales, Australia, in 2010 (recorded 1999–2024).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #301 among boys in Norway, in 2025.
Norway · Boys
Isaac
Popularity journey
First recorded1964
First recorded at #232 among boys in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1990–2025
Highest recorded position: #8 among boys in New South Wales, Australia, in 2015 (recorded 1990–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #26 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys