Seamus
Irish Gaelic
Irish Gaelic form of James. The supplanter.

Sean
Irish Gaelic
Irish Gaelic form of John. God is gracious. Also see Shane.

Seanan
Irish Gaelic
Old, or wise.

Senan
Irish Gaelic
Old, or wise.

Shamus
Irish Gaelic
Irish Gaelic form of James. The supplanter.

Shanahan
Irish Gaelic
The wise one.

Shanley
Irish Gaelic
A venerable hero.

Shaughan
Irish Gaelic
Irish Gaelic form of John. God is gracious. Also see Shane.

Shaun
Irish Gaelic
Irish Gaelic form of John. God is gracious. Also see Shane.

Shay
Irish Gaelic
The stately one. A boy or girl's name.

Sheehan
Irish Gaelic
Peaceful.

Sheridan
Irish Gaelic
The wild one. A boy or girl's name.

Sholto
Scottish Gaelic
A sower of seed.

Skelly
Irish Gaelic
A storyteller.

Skene
Scottish Gaelic
A bush.

Slevin
Irish Gaelic
The mountain climber.

Sloan
Irish Gaelic
A warrior.

Sorcha
Irish Gaelic
Irish Gaelic form of Stephen.

Strahan
Scottish Gaelic
A little valley.

Sullivan
Irish Gaelic
The blackeyed one.

Sully
Gaelic
To stain

Sweeney
Irish Gaelic
The little hero.

Sweeny
Gaelic
Little hero