Aodhan vs Zach
Aodhan and Zachcompared 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.
Republic of Ireland · Boys
In 2025, Aodhan was ranked #829 and Zach #94 among boys in Republic of Ireland.
Northern Ireland · Boys
In 2024, Aodhan was ranked #108 and Zach #108 among boys in Northern Ireland.
Scotland · Boys
In 2024, Aodhan was ranked #727 and Zach #148 among boys in Scotland.
England and Wales · Boys
In 2024, Aodhan was ranked #5119 and Zach #509 among boys in England and Wales.
Aodhan and Zach over time
Aodhan and Zach appear together in 3 published lists, across 83 years of shared records. Zach held the stronger position in more years in 2 of them, Aodhan in 1.
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.
Aodhan reached its own highest recorded position earlier in 2 of those lists, Zach in 1. 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 2005, Zach moved ahead of Aodhan in Republic of Ireland · Boys — #186 and #201 the year before became #254 and #134.
- Repeatedly exchanged positions
Aodhan and Zach changed places 9 times in Northern Ireland · Boys between 1997 and 2024, ending at #108 and #108.
- Closest over the longest run
Across 28 shared years in Northern Ireland · Boys, Aodhan and Zach averaged 34.2 places apart, ending at #108 and #108.
List by list
Northern Ireland · Boys28 shared years, 1997–2024
Aodhan held the stronger position in 20 of those years, Zach in 6.
Highest recorded here: Aodhan #52 in 2020, Zach #65 in 2014.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aodhan #108, Zach #108.
Republic of Ireland · Boys28 shared years, 1993–2025
Aodhan held the stronger position in 6 of those years, Zach in 21.
Highest recorded here: Aodhan #171 in 2014, Zach #81 in 2021.
The order changed in 2005: Zach moved ahead. In 2004 they stood at #186 and #201; by 2005 that had become #254 and #134.
Most recent shared year, 2025: Aodhan #829, Zach #94.
England and Wales · Boys27 shared years, 1996–2024
Aodhan held the stronger position in 0 of those years, Zach in 27.
Highest recorded here: Aodhan #1552 in 2000, Zach #167 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aodhan #5119, Zach #509.
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 | Aodhan | Zach |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Republic of Ireland · Boys #829 (2025) | Republic of Ireland · Boys #94 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Aodhan has 2 syllables, compared with 1 for Zach.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Aodhan
Popularity journey
First recorded1977
First recorded at #333 among boys in Republic of Ireland in 1977 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1997–2024
Highest recorded position: #52 among boys in Northern Ireland, in 2020 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #829 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Zach
Popularity journey
First recorded1993
First recorded at #302 among boys in Republic of Ireland in 1993 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1997–2024
Highest recorded position: #65 among boys in Northern Ireland, in 2014 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #94 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys