unisex name · in the US
Kolby
KOHL-bee (English)
- Gender Unisex (US)
- Syllables 2
- Letters 5
- Popularity Uncommon
- Births on record 14,368
Scotland
#825
2024 births
Kolby is a unisex name in the United States, with 2 syllables. In 2025 it was given to 207 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2001, when 781 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 16,016 babies in the United States is given this name.
- First appears in US birth records in 1968.
- 2 syllables, with the stress on syllable 1.
Kolby Over Time
Births per decade in the United States, 1960s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1960s | 5 |
| 1970s | 167 |
| 1980s | 843 |
| 1990s | 2,870 |
| 2000s | 5,054 |
| 2010s | 2,893 |
| 2020s (to 2025) | 1,169 |
How Popular Is Kolby?
In 2025, Kolby was given to 207 babies in the United States. It is used consistently but remains uncommon.
Where Kolby Is Used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names That Peaked Alongside Kolby
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Kolby Also Like
Names whose popularity has risen and fallen in step with Kolby over the last century — the same taste, a different name.
Boys' or Girls' Name?
Kolby is used differently depending on where you are. Each figure is the share of babies given the name who were girls, over the last ten years of that country's records.
- United States Both 16% girls · 2,013 babies
- Canada Boys' 5% girls · 199 babies
- England & Wales Boys' 0% girls · 180 babies
How to Say Kolby
- English KOHL-bee
Sibling Names for Kolby
Names from the same era that do not rhyme or share an initial with Kolby — the two things that make a sibling set grate.
Common Questions About Kolby
How popular is the name Kolby?
In 2025, Kolby was given to 207 babies in the United States. It is used consistently but remains uncommon.
Is Kolby a girl's or a boy's name?
Kolby is given almost entirely to boys in birth records.
How many syllables are in Kolby?
Kolby has 2 syllables.
When was Kolby most popular?
Kolby peaked in 2001, when 781 babies were given the name. It has been falling over the past decade.
Is Kolby a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kolby currently ranks #825 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.