What Does the Name Mckinley Mean?

Mckinley is a unisex name of Scottish/Irish Gaelic (surname) origin meaning “'son of the fair hero' (from Mac Fhionnlaigh: fionn 'fair' + laoch 'hero').”

Updated June 2026

Name	Mckinley
Gender	unisex
Origin	Scottish/Irish Gaelic (surname)
Meaning	'son of the fair hero' (from Mac Fhionnlaigh: fionn 'fair' + laoch 'hero')
Variants	Mackinley, McKinleigh, Mckinlee, Kinley
Popularity	A modern U.S. given name used mostly for girls; settled in the top 500–700 range in recent years.

The meaning and origin of Mckinley

The name Mckinley means “'son of the fair hero' (from Mac Fhionnlaigh: fionn 'fair' + laoch 'hero')” and has Scottish/Irish Gaelic (surname) origins. McKinley is an Anglicization of the Gaelic surname Mac Fhionnlaigh, 'son of Finlay,' built from 'fionn' ('fair, white') and 'laoch' ('hero, warrior'). It entered American given-name use partly via President William McKinley and is now used as a first name, leaning female.

Variants and related names

Mckinley is related to several other names you may recognize: Mackinley, McKinleigh, Mckinlee, Kinley. These share a common root or are spelling and language variants of the same name.

How popular is the name Mckinley?

A modern U.S. given name used mostly for girls; settled in the top 500–700 range in recent years.

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