Holding steady, #6,143 for boys today.
Popularity of Mclain since 1982
Babies named Mclain per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1980s | 0 | 6 |
| 1990s | 5 | 51 |
| 2000s | 9 | 73 |
| 2010s | 0 | 69 |
| 2020s | 5 | 32 |
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
Sibling names for Mclain
Names that share Mclain's style, for a brother or sister.

