Names › Boy › C › Castle
Boy name

Castle

/ˈkæsəl/ · 100% boys · 17 born in 2025

Castle has been given to about 385 people in the United States since 1880. It was most common in 2018, which makes it a current name.

Meaning—
Origin—
Syllables2
Pronunciation/ˈkæsəl/
Nicknames—
Living in the US≈ 361
Median age today9 years

Popularity, 1880–2025

Babies named Castle per year · US Social Security Administration
18802025
  • Peak year2018 · 32
  • Born in 202517
  • All time385

How popular is Castle?

Its best year was 2018, when 32 babies were given the name, ranking 3460th. The typical living American called Castle is about 9 years old today.

Names that sound like Castle

Phonetic similarity, 0–1
  1. Cale0.75
  2. Kale0.72
  3. Case0.69
  4. Carlyle0.68
  5. Dale0.62
  6. Gale0.62
  7. Earle0.57
  8. Cade0.56

Middle names for Castle

Ranked by flow score
  1. Castle Paul0.83
  2. Castle John0.83
  3. Castle Blake0.82
  4. Castle Wade0.82
  5. Castle Ross0.82
  6. Castle Quinn0.82

Sibling names for Castle

Same era, comparable use, no clash
  1. Seraphinasister · 0.85
  2. Emilianasister · 0.85
  3. Westynbrother · 0.85
  4. Neriahsister · 0.85
  5. Lochlanbrother · 0.85
  6. Matheobrother · 0.85

Where Castle is strongest

Share of 2025 births by state

    With a common surname

    Flow score against the most-used American surnames · try your own
    1. Castle White0.78
    2. Castle Nguyen0.78
    3. Castle Moore0.78
    4. Castle Hill0.78
    5. Castle Hall0.78
    6. Castle Brown0.78

    How to read these numbers

    Every score on this page is explained
    1. Phonetic similarity0–1
    2. Middle-name flow0–1
    3. Sibling fit0–1
    4. Living population estimatemethod
    5. PronunciationCMU dictionary

    Sources for Castle

    Every figure on this page is public record
    1. United States1880–2025
    2. PronunciationCMU dictionary

    Source: US Social Security Administration, national and state name files, 2025 release. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.