Mckinnley
Meaningson of Fionnlagh · Irish form of McKinley
- US rank
- #8,362
- Syllables
- 2
- Peak
- #3,659 in 2011
12 babies were named Mckinnley in the US in 2025. It has dropped 1,439 places in five years.
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US births per million girls, 1994–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Mckinnley you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 133,333 baby girls born in the US in 2025 was named Mckinnley, 12 babies in all. In a typical school of 500 kids, your Mckinnley would very likely be the only one.
- HistoryMckinnley first shows up in US birth records in 1994, the first year at least 5 babies got it. It has been in use for 31 years since.
- Best yearIts best year was 2011, when it reached #3,659.
- Then vs nowMckinnley is 2.3× more common today than it was in 2000. In 2000 it was given to about 1 in 303,030 baby girls; in 2025, about 1 in 133,333.
- TrendMckinnley has slipped 1,439 places over the last five years and now sits at #8,362. Good news if you want a familiar name that fewer kids will share.
- MeaningMckinnley is an Irish form of McKinley, which means “son of Fionnlagh”.
About the name Mckinnley
Mckinnley is a girl name of Irish origin meaning “son of Fionnlagh”. It has 9 letters and 2 syllables, starting with M and ending in “-ley”. US birth records list Mckinnley for girls from 1994 to 2025, in 28 of those 32 years. Its best year was 2011, when it ranked #3,659 among girl names. In 2025 it ranked #8,362, with 12 babies.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 2.9 | 342,857 girls |
| 2000s | 6.3 | 158,730 girls |
| 2010s | 16 | 62,617 girls |
| 2020s | 8.0 | 124,481 girls |
Other spellings of Mckinnley
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
- Girl name: Everleigh · boar clearing
Questions about the name Mckinnley
What does the name Mckinnley mean?
Mckinnley means “son of Fionnlagh” in Irish, as a form of McKinley.
What is the origin of the name Mckinnley?
Mckinnley has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Mckinnley a boy or girl name?
Mckinnley is a girl name.
How popular is the name Mckinnley?
Mckinnley ranked #8,362 for US girls in 2025, given to 12 babies. Its best year was 2011 (#3,659).