400+ Irish Last Names (With Meanings and Popularity)

Mccarthy

Irish surname

"son of Cárthach"

McCarthy is one of a wave of new Irish surname-names, one of the most popular last names of Irish origin now translated to a first name. Mac is an attractive nickname.

Mccauley

Mccauley is a masculine name derived from an Irish and Scottish surname, originating from the Gaelic "Mac Amhalghaidh," meaning "son of Amhalghaidh" (an ancient personal name). As a first name, it…

Mcconnal

Mcconnal is a masculine surname-turned-first name with Scottish and Irish Gaelic origins. Derived from 'Mac Dhomhnaill,' meaning 'son of Donald,' it belongs to the category of patronymic names that…

Mccormac

McCormac is a masculine given name derived from the Irish surname meaning "son of Cormac." The original Gaelic name Cormac translates to "charioteer" or "son of defilement." As a first name, McCormac…

Mccormack

McCormack is primarily a surname of Irish origin that has occasionally been adopted as a masculine given name. Derived from the Gaelic 'Mac Cormaic,' meaning 'son of Cormac,' it has deep roots in…

Mcdermot

Mcdermot is a masculine name derived from the Irish surname McDermott or MacDermott, which itself comes from the Gaelic "Mac Diarmada," meaning "son of Diarmaid." Diarmaid (or Dermot) was a popular…

Mcdermott

Irish

"son of Diarmaid"

McDermott is a common Irish surname that means, as all Mc or Mac names do, "son of" --then Dermott or Dermot, which is an Anglicization of the Irish Gaelic Diarmaid. The legendary Diarmaid was the…

Mcdonnell

McDonnell is a masculine name that originated as a Scottish and Irish surname meaning 'son of Donald' or 'son of Donal.' It belongs to one of the oldest and most powerful Gaelic clans, with roots…

Mcduff

McDuff is a masculine surname-turned-first-name with Scottish Gaelic origins. Derived from "mac Dhuibh" meaning "son of Duff" or "son of the dark one," it carries strong historical significance in…

Mceuan

Mceuan is an unusual masculine name that appears to be a modern variant spelling of McEwan or MacEwan, traditional Scottish surnames. The prefix 'Mc' or 'Mac' traditionally means 'son of' in Gaelic,…

Mcewen

McEwen is a masculine name of Scottish origin that began as a surname meaning 'son of Ewen' or 'son of Eugene.' The Gaelic name Ewen (Eóghan) means 'born of the yew tree' or 'youth.' As part of the…

Mcgee

Mcgee is primarily known as a surname of Irish and Scottish Gaelic origin, derived from 'Mac Aoidh,' meaning 'son of Aodh' (an ancient name meaning 'fire'). Its use as a first name is quite uncommon…

Mcgill

Irish and Scottish surname

"son of the foreigner"

Despite its appearance, McGill is not related to any of the Gil- names, including Gilbert, Gilford, and Gilson. The "gill" piece is derived from the Gaelic word gall , meaning "foreigner." Yet, it…

Mckee

Mckee is a masculine name that originated as a Scottish and Irish surname, derived from 'Mac Aodha,' meaning 'son of Aodh' (an ancient Celtic name meaning 'fire'). As a first name, Mckee represents…

Mckellar

Irish and Scottish surname

"son of Ealair"

Ealair is the Gaelic form of Hilary, making McKellar an inventive way to honor a Hilary, Hillary, or Ellery in your life.

Mckenna

Irish, “son of Kenneth”

An unconventional route to the cool nickname Mac/Mack, Mckenna or McKenna derives from the Gaelic name Cináed (Anglicized as Kenneth), meaning "born of fire".

Mckinley

Scottish

"son of the fair hero"

New Presidential name, if you're ready to move beyond Lincoln and Jefferson. At the turn of the last century, during the original McKinley's heyday, as a first name it almost reached the Top 100.

Mcneill

Mcneill is primarily a masculine surname of Scottish and Irish Gaelic origin that has occasionally transitioned to first-name usage. Derived from "Mac Néill," meaning "son of Niall," it connects to…