Male name
Isaac
50,460 births (England and Wales, 1996–2025), peaking in 2015. Expression number: 6.
Origin
From Middle English Ysaac, from Latin Isaac, from Ancient Greek Ἰσαάκ (Isaák), from Hebrew יצחק (Yiṣḥāq, literally “he laughs, he will laugh”). Explained in Genesis as referring to his mother Sarah’s laughing when she was told she would have a son at her old age. The verb is masculine, however, perhaps due to its use as a boy’s name.From Wiktionary, entry “Isaac”, text under CC BY-SA 4.0.
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How many babies received it
From the official birth registers.
In England and Wales
Peak in 2015: 2,829 births. 50,460 births from 1996 to 2025. A name given mostly in the 2000s, 2010s and 2020s. At its peak, it ranked 20th among boys' names in 2015. It is still given: 7,923 births from 2021 to 2025.
Source: Office for National Statistics, Baby names in England and Wales, Open Government Licence v3.0.
In the United States
Peak in 2007: 10,287 births. 332,292 births from 1880 to 2025. A name given mostly in the 1990s, 2000s, 2010s and 2020s. At its peak, it ranked 28th among boys' names in 2013. It is still given: 32,865 births from 2021 to 2025.
Source: Social Security Administration, Popular Baby Names, public domain.
In Ireland
Peak in 2014: 101 births. 1,671 births from 1964 to 2025. A name given mostly in the 2000s, 2010s and 2020s. At its peak, it ranked 77th among boys' names in 2015. It really came into use around 2001. It is still given: 319 births from 2021 to 2025.
Source: Central Statistics Office, Irish Babies' Names, CC BY 4.0.
Elsewhere in the world
The name in the birth records of the 10 countries we track. The period covered varies from country to country.
| Country | Births | Period | Best rank |
|---|---|---|---|
| France | 29,605 | 1900–2025 | 11th in 2023 |
| Argentina | 17,049 | 2012–2023 | 87th in 2023 |
| Quebec | 4,258 | 1980–2025 | 42nd in 2017 |
| Switzerland | 1,424* | 1915–2025 | — |
| Belgium | 779 | 2014–2023 | — |
| Austria | 135 | 1984–2025 | — |
| Berlin | 116 | 2012–2023 | — |
* These are the people living in the country, counted by year of birth, not the number of births.
Source: INSEE, Fichier des prénoms, Etalab Open Licence 2.0; RENAPER, Nombres propios en Argentina, CC BY 4.0 (the registry doesn't record sex); Retraite Québec, Banque de prénoms, CC BY 4.0; Federal Statistical Office, First names of the population by year of birth, free use with attribution; Statbel, first names of newborns, CC BY 4.0 (one total for the whole period, no yearly breakdown); Statistik Austria, Vornamen, CC BY 4.0; Open Data Berlin, Häufige Vornamen, CC BY 3.0 DE (every name a child carries, not only the first).
The numbers of the name
Each letter has a value: A = 1, B = 2… I = 9, then J = 1 again (Pythagorean method). We add them up, then reduce to a single digit, except 11, 22 and 33.
■ vowel · ■ consonant
Expression
All the letters: talents, the way you act.
6
responsibility, harmony, commitment to others
9 + 1 + 1 + 1 + 3 = 15 → 6
Soul
The vowels: what drives you deep down.
11
intuition and inspiration (master number)
9 + 1 + 1 = 11
Personality
The consonants: what others notice first.
4
work, structure, stability
1 + 3 = 4
- Digits missing from the name
- 2, 4, 5, 6, 7, 8
- Most frequent digit
- 1 · initiative, independence, beginnings
The meaning of the numbers comes from numerological tradition; it isn't a measure of your personality. A full portrait needs your first and middle names, your last name at birth, and your date of birth. How we calculate
Your name and theirs
The number of each name, and the number of the bond, which comes from adding them together. A symbolic game: what your two names say together, to be read as a metaphor, not as a verdict on your relationship.