MallowbyNames

Mclain

muh-KLAYN · of uncertain origin, possibly a variant of McClain meaning 'son of the servant'

2025 rank (boys)
#6,143
Babies named in 2025
14
Peak popularity
2025
2025 frequency
1 in 122,005 boys
Usually for
Boys
Trend
Holding steady

Holding steady, #6,143 for boys today.

Popularity of Mclain since 1982

Babies named Mclain per year in U.S. Social Security records.

59141990200020102020Most births 2025GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1980s06
1990s551
2000s973
2010s069
2020s532

Meaning & origin

Mclain is a modern given name derived from a Scottish and Irish surname, first recorded in U.S. baby name data in 1982. Over recent decades, it has maintained a stable trajectory, with its peak popularity occurring in 2025 at rank 6143, where it was given to roughly 1 in 122,005 baby boys. While its bearers are scattered across the country with no single dominant state, the name reflects the enduring appeal of surname-style first names. As of 2025, it remains an uncommon choice, appealing to parents seeking a distinctive yet familiar-sounding name with Celtic roots.

Mclain is likely a respelling or variant of the Scottish and Irish surname McClain, which is an anglicized form of the Gaelic Mac Gilla Eáin, meaning 'son of the servant' or 'son of the devotee'. It emerged as a given name in the late 20th century, primarily in the United States, following the trend of using surnames as first names.

Nicknames & variants

Nicknames: Mac

Variants: McClain, MacLain, McLain

Sibling names for Mclain

Names that share Mclain's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

M is for Mclain, our favorite little boy.

M is for Mclain…”

In a Mallowby alphabet book, Mclain's letter becomes Mclain's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Mclain's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Mclain mean?
Mclain is believed to be a variant of the surname McClain, which comes from Gaelic Mac Gilla Eáin, meaning 'son of the servant' or 'son of the devotee'.
How popular is the name Mclain?
In 2025, Mclain ranked 6143rd in the United States, given to about 1 in every 122,005 baby boys.
Is Mclain a boy's name or a girl's name?
Mclain is predominantly used as a boy's name, though it could be considered unisex in modern usage.