Given name & surname · also Old English

Cosby

“farm; settlement”

Cosby is a surname from Old English, ultimately from Old Norse.

Meaning & origin

What it means

Cosby goes back to Old Norse býr, meaning “farm; settlement.”

Adapted from Wiktionary (CC BY-SA 4.0)

Where it comes from

Cosby comes from Old English, and ultimately from Old Norse.

Adapted from Wiktionary (CC BY-SA 4.0)

How it developed

From Old Norse býr (“farm; settlement”).

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1908. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Cosby through the years

Babies since 1880
235
212 boys · 23 girls
Most popular year
1921
15 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
Boys Girls
051015192019401960198020002025Highest share 1908Boys 0.0Girls 0.0
Cosby in U.S. Social Security birth records, 1908–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 6 in 1975. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 234 as a first name in 2020; 10,111 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Appears in

Similar names

If you love Cosby, these share its style, era, origin or sound, from outside its own family.

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“protected by Thor”

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Sibling ideas

Names that share Cosby’s feel without repeating its first letter or rhyming with it.

A brother for Cosby

A sister for Cosby