International Baby Names · Middle Names, Surnames, and Nicknames · Unisex Baby Names
400+ Irish Last Names (With Meanings and Popularity)
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Shea
Irish
"the stately, dauntless one"
The short but solid Irish surname Shea works well for both genders thanks to its soft, succinct sound. The traditional Irish form is Séaghdha, though it could also be used as a short form of Séamus,…
Shea
Irish
"the stately, dauntless one; hawk"
Not to be confused with shea butter, this name is a common surname in Ireland, combining spirit, substance, and gentleness. The traditional Irish form is Séaghdha (SHEH), though it could also be used…
Sheehan
Irish
"peaceful"
Has a decidedly Roman Catholic feel, thanks to the bishop.
Sheenan
Irish surname, variation of Shannon
"old and wise"
Sheenan updates the longtime Irish favorite Shannon, which ranked in the US Top 100 through much of the 1970s, 80s, and 90s. Shanon fell off the Top 1000 about ten years ago, but Sheenan is a worthy…
Sheridan
Irish
"searcher"
Upper crust-y surname Sheridan gains some energy when used for a girl.
Sheridan
Irish
"searcher"
Sheridan is one surname-name that hasn't come into style for either gender, though it was lightly used for boys around the turn of the 20th century and girls 100 years later. The name does have an…
Sloan
Irish
"raider"
A few decades back, this name -- which hardly shows its Irish roots -- evoked a man in a gray flannel suit; now, though still upscale, it's more likely to be attached to a female.
Sloane
Irish
"raider"
An Irish surname-name that's used almost exclusively for girls these days, given last year to nearly 2000 baby girls in the US vs. 23 baby boys.
Sorley
Irish from Old Norse
"a summer sailor"
Sorley is an anglicization of the Irish name Somhairle, itself derived from the Old Norse Sumarliði , a nickname for a summer traveler (perhaps meaning a viking raider!). It is sometimes used as a…
Sullivan
Irish
"dark eyes"
Stylish and boyish but could work for a girl -- especially one with brown eyes -- and Sully is a quirky and jaunty nickname.
Sweeney
Irish
"the little hero"
Friendly-sounding name with big "Sweeney Todd" downside.
Sweeney
Irish
"the little hero"
The double ' e ' gives this Celtic surname a genial sound. It derives from an old Irish name — Suibhne (SHEEV-ne) that was borne by several early saints and kings, including, unfortunately, one…
Taggart
Irish
"son of the priest"
Not your typical jovial Irish surname; but has a dark, craggy appeal, and Tag as a nickname.
Teagan
Irish or Welsh
"little poet or fair"
Teagan is a cousin of trendy names Reagan and Keagan now given to girls about six times as often as boys. As an Irish name, it's a diminutive of the original Tadhg. Teagan may also be a variation of…
Tegan
Welsh
"darling, pretty"
Tailored Tegan is a Welsh name, developed from the element teg meaning "beautiful, pretty". Sweet but tough, is interpreted to mean "darling, or favorite", and is also the Welsh word for toy.…
Tegan
Welsh
"fair"
Tegan is a Welsh saint's name. While some may conflate it with the Irish Teagan, they have different roots and meanings though both are used for girls as well as boys. Teagan is the more usual…
Tiegan
Tiegan is a modern feminine name with Celtic and Gaelic origins. It's often considered a variant of Teagan, which means 'little poet' or 'beautiful.' Some sources suggest it may also be related to…
Tiernan
Irish
"little lord"
An old Irish surname cousin of Tierney that makes an unusual and appealing Irish gender switch.
Tiernan
Irish
"little lord"
Tiernan is the slightly edgier and sharper cousin of Kiernan. This is one Irish surname that is attractive but distinctive; Tierney is another, related, option. Tiernan was a popular name in early…
Tierney
Irish
"descendent of a lord"
An uncommon Irish-accented surname that seems particularly well suited to a girl. Tierney Sutton is a well-known jazz singer. Tierney, in its original Tiarnach form, was the name of several saints.…