Brock vs Declan
Brock and Declancompared 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 2009, Brock was ranked #100 and Declan #83 among boys in New South Wales, Australia.
England and Wales · Boys
In 2023, Brock was ranked #2813 and Declan #388 among boys in England and Wales.
Brock and Declan over time
Brock and Declan appear together in 1 published list, across 24 years of shared records. Declan held the stronger position in more years in 1 of them, Brock in 0.
In none of those lists did their order change and stay changed.
Declan reached its own highest recorded position earlier in 1 of those lists, and Brock 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.
List by list
England and Wales · Boys24 shared years, 1997–2023
Brock held the stronger position in 0 of those years, Declan in 24.
Highest recorded here: Brock #1398 in 2017, Declan #69 in 1997.
The order between them never changed and held in this list.
Most recent shared year, 2023: Brock #2813, Declan #388.
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 | Brock | Declan |
|---|---|---|
| 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 | |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ |
| Most recent popularity observation | England and Wales · Boys #2813 (2023) | Republic of Ireland · Boys #348 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 88/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Brock has 1 syllable, compared with 2 for Declan.
- Both names have recorded usage in AU-NSW, GB-ENW.
How each name got here
Brock
Popularity journey
First recorded1997
First recorded at #1578 among boys in England and Wales in 1997 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded1997–2009
Highest recorded position: #69 among boys in New South Wales, Australia, in 2003 (recorded 1997–2009).
New South Wales, Australia · Boys
Most recent2023
Most recently recorded at #2813 among boys in England and Wales, in 2023.
England and Wales · Boys
Declan
Popularity journey
First recorded1964
First recorded at #23 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 recorded1964–2025
Highest recorded position: #12 among boys in Republic of Ireland, in 1971 (recorded 1964–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #348 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys