Aongus vs Jack

Aongus and Jackcompared 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 1986, Aongus was ranked #317 and Jack #128 among boys in Republic of Ireland.

Where to go next

Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.

Other comparisons involving Jack

Pairs where Jack shares a published list with another name, each measured inside one registrar's own list.

Jack vs Oisin
Over 53 shared years in Republic of Ireland · Boys, Jack rose about as far as Oisin fell — from #305 and #163 in 1970 to #2 and #262 in 2025.
Jack · Oisin · 53 shared years, 1970–2025 · Mirrored each other
See the 2025 Republic of Ireland ranking
Jack vs Isaac
Jack and Isaac both rose over the same years in 4 registrars — New South Wales, Australia · Boys; New Zealand · Boys; Northern Ireland · Boys; Republic of Ireland · Boys. Each list is measured against its own starting position; the positions are never combined.
Jack · Isaac · 39 shared years, 1976–2025 · Moved together in several countries
Jack vs Max
Jack and Max both rose over the same years in 4 registrars — New South Wales, Australia · Boys; New Zealand · Boys; Northern Ireland · Boys; Republic of Ireland · Boys. Each list is measured against its own starting position; the positions are never combined.
Jack · Max · 41 shared years, 1973–2025 · Moved together in several countries
Jack vs Adam
Both reached their highest recorded position in England and Wales · Boys within 2 years — Jack #1 in 1996, Adam #16 in 1996.
Jack · Adam · 29 shared years, 1996–2024 · Peaked in the same years
See the 1996 England and Wales ranking

Side by side

Side-by-side comparison of Aongus, Jack
Field	Aongus	Jack
Record type	Official statistical record (evidence-only)	Editorially researched profile
Gender usage	male	male
Meaning	Not yet recorded	God is gracious (via John), though now used as an independent name.
Origin	Not yet recorded	English, historically a diminutive of John
Pronunciation	Not yet recorded	/ˈdʒæk/
Syllables	2	1
Common variants / nicknames	Not yet recorded	Jankin
Recorded regional usage	IE	AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ
Most recent popularity observation	Republic of Ireland · Boys #317 (1986)	Republic of Ireland · Boys #2 (2025)
Pronunciation clarity (demonstration score)	Not yet recorded	90/100
Spelling simplicity (demonstration score)	88/100	95/100
International familiarity (demonstration score)	40/100	100/100
Data Confidence	medium	high

What the data shows

Jack has a recorded origin (English, historically a diminutive of John); Aongus does not have one recorded yet.
Aongus has 2 syllables, compared with 1 for Jack.
A meaning is recorded for Jack; Aongus doesn't have one written yet.
Both names have recorded usage in IE.
The available evidence gives Aongus a "medium" Data Confidence level and Jack a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.

How each name got here

Aongus

Popularity journey

First recorded1970
First recorded at #251 among boys in Republic of Ireland in 1970 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1970–1986
Highest recorded position: #251 among boys in Republic of Ireland, in 1970 (recorded 1970–1986).
Republic of Ireland · Boys
Most recent1986
Most recently recorded at #317 among boys in Republic of Ireland, in 1986.
Republic of Ireland · Boys

Jack

Popularity journey

First recorded1945
First recorded at #171 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1996–2024
Highest recorded position: #1 among boys in England and Wales, in 1996 (recorded 1996–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #10 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys