Isaac vs Xavier

Isaac and Xaviercompared 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 2025, Isaac was ranked #26 and Xavier #43 among boys in New South Wales, Australia.
Northern Ireland · Boys
In 2024, Isaac was ranked #26 and Xavier #404 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Isaac was ranked #37 and Xavier #238 among boys in England and Wales.
Scotland · Boys
In 2024, Isaac was ranked #49 and Xavier #535 among boys in Scotland.
New Zealand · Boys
In 2022, Isaac was ranked #53 and Xavier #71 among boys in New Zealand.
Republic of Ireland · Boys
In 2025, Isaac was ranked #104 and Xavier #676 among boys in Republic of Ireland.

Isaac and Xavier over time

Isaac and Xavier appear together in 4 published lists, across 96 years of shared records. Isaac held the stronger position in more years in 4 of them, Xavier in 0.

In none of those lists did their order change and stay changed.

Xavier reached its own highest recorded position earlier in 3 of those lists, and Isaac 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.

Closest over the longest run
Across 22 shared years in New South Wales, Australia · Boys, Isaac and Xavier averaged 20.3 places apart, ending at #26 and #43.
Peaked in the same years
Both reached their highest recorded position in New Zealand · Boys within 2 years — Isaac #17 in 2010, Xavier #29 in 2010.

List by list

England and Wales · Boys29 shared years, 1996–2024
Isaac held the stronger position in 29 of those years, Xavier in 0.
Highest recorded here: Isaac #20 in 2015, Xavier #158 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2024: Isaac #37, Xavier #238.
New Zealand · Boys23 shared years, 1999–2022
Isaac held the stronger position in 23 of those years, Xavier in 0.
Highest recorded here: Isaac #17 in 2010, Xavier #29 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2022: Isaac #53, Xavier #71.
New South Wales, Australia · Boys22 shared years, 2004–2025
Isaac held the stronger position in 22 of those years, Xavier in 0.
Highest recorded here: Isaac #8 in 2015, Xavier #22 in 2011.
The order between them never changed and held in this list.
Most recent shared year, 2025: Isaac #26, Xavier #43.
Republic of Ireland · Boys22 shared years, 2002–2025
Isaac held the stronger position in 22 of those years, Xavier in 0.
Highest recorded here: Isaac #77 in 2014, Xavier #257 in 2013.
The order between them never changed and held in this list.
Most recent shared year, 2025: Isaac #104, Xavier #676.

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.

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 Isaac

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

Isaac vs Tom
In 1996 they stood at #104 and #102 in England and Wales · Boys, 2 places apart; by 2024 they were #37 and #757.
Isaac · Tom · 29 shared years, 1996–2024 · Started together, ended far apart
See the 2024 England and Wales ranking
George vs Isaac
George and Isaac changed places 14 times in New Zealand · Boys between 1981 and 2023, ending at #7 and #46.
George · Isaac · 42 shared years, 1981–2023 · Repeatedly exchanged positions
See the 2023 New Zealand ranking
Elijah vs Isaac
Elijah and Isaac both rose over the same years in 4 registrars — England and Wales · Boys; New South Wales, Australia · Boys; Northern Ireland · Boys; Republic of Ireland · Boys. Each list is measured against its own starting position; the positions are never combined.
Elijah · Isaac · 30 shared years, 1996–2025 · Moved together in several countries
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

Other comparisons involving Xavier

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

Liam vs Xavier
Both reached their highest recorded position in New Zealand · Boys within 2 years — Liam #1 in 2010, Xavier #29 in 2010.
Liam · Xavier · 23 shared years, 1999–2022 · Peaked in the same years
See the 2010 New Zealand ranking
Harry vs Xavier
Across 22 shared years in New South Wales, Australia · Boys, Harry and Xavier averaged 12.5 places apart, ending at #39 and #43.
Harry · Xavier · 22 shared years, 2004–2025 · Closest over the longest run
See the 2025 New South Wales, Australia ranking
Sebastian vs Xavier
Across 22 shared years in New South Wales, Australia · Boys, Sebastian and Xavier averaged 13.2 places apart, ending at #31 and #43.
Sebastian · Xavier · 22 shared years, 2004–2025 · Closest over the longest run
See the 2025 New South Wales, Australia ranking
Mitchell vs Xavier
In New South Wales, Australia · Boys, Xavier moved into the top 50 at #30 in 2009 as Mitchell fell out of it to #59, having been #49 the year before.
Mitchell · Xavier · 10 shared years, 2004–2013 · One took the other's place near the top
See the 2009 New South Wales, Australia ranking

Side by side

Side-by-side comparison of Isaac, Xavier
Field	Isaac	Xavier
Record type	Editorially researched profile	Official statistical record (evidence-only)
Gender usage	male	male
Meaning	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.	Not yet recorded
Origin	Biblical Hebrew, transmitted into English via Greek Isaak and Late Latin Isaac	Not yet recorded
Pronunciation	/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, NZ
Most recent popularity observation	New South Wales, Australia · Boys #26 (2025)	New South Wales, Australia · Boys #43 (2025)
Pronunciation clarity (demonstration score)	90/100	Not yet recorded
Spelling simplicity (demonstration score)	94/100	88/100
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); Xavier does not have one recorded yet.
Isaac and Xavier both have 2 syllables.
A meaning is recorded for Isaac; Xavier doesn't have one written yet.
Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ.

How each name got here

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

Xavier

Popularity journey

First recorded1996
First recorded at #376 among boys in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded2004–2025
Highest recorded position: #22 among boys in New South Wales, Australia, in 2011 (recorded 2004–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #43 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys