Unisex name
Callahan
7,031 births (United States, 1880–2025), peaking in 2025. Expression number: 7.
Origin
From Irish Ó Ceallacháin, from Ceallachán, diminutive of the given name Ceallach. Doublet of Kelly and Kellogg.From Wiktionary, entry “Callahan”, text under CC BY-SA 4.0.
Do you know someone named Callahan?
Send them the page about their name.
How many babies received it
From the official birth registers.
In the United States
Peak in 2025: 1,682 births. 7,031 births from 1880 to 2025. A name given mostly in the 2020s. It is given to girls (14%) as well as boys (86%). It really came into use around 1994. It is still given: 4,514 births from 2021 to 2025.
Source: Social Security Administration, Popular Baby Names, public domain.
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.
7
reflection, inner life, seeking
3 + 1 + 3 + 3 + 1 + 8 + 1 + 5 = 25 → 7
Soul
The vowels: what drives you deep down.
3
expression, creativity, sociability
1 + 1 + 1 = 3
Personality
The consonants: what others notice first.
22
the large-scale builder (master number)
3 + 3 + 3 + 8 + 5 = 22
- Digits missing from the name
- 2, 4, 6, 7, 9
- 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.