Name	Meaning	Gender	Origin	Similar
Rhonda	good spear	Female	Celtic	-
Ronan	a pledge	Male	Celtic	-
Ronat	Seal.	Female	Celtic	-
Rowena	White or comely.	Female	Celtic	-
Roy	Red haired.	Male	Celtic	-
Saraid	excellent	Female	Celtic	-
Sativola	Name of a saint.	Male	Celtic	-
Sawyer	Cuts timber.	Male	Celtic	-
Scilti	Legendary messenger of Arthur.	Male	Celtic	-
Sean	God's grace	Male	Celtic	Shawn, Shaun, Sian
Seanna	God's grace, sixth	Female	Celtic	Shawna, Shawny, Shawnie, Shawnna, Shaune, Shauna, Siana, Shay
Selma	Comely.	Female	Celtic	-
Setanta	Mythical son of Sualtam.	Male	Celtic	-
Shayla	fairy palace	Female	Celtic	-
Shela	musical	Female	Celtic	-
Sheridan	Untamed.	Male	Celtic	-
Shylah	loyal to god, strong	Female	Celtic	Shy, Shyla

Sloan	Fighter.	Male	Celtic	-
Sloane	Fighter.	Male	Celtic	-
Sugn	Mythical son of Sugnedudd.	Male	Celtic	-
Tadc		Male	Celtic	-
Tadhg	Mythical a prince of Munster.	Male	Celtic	-
Taliesin	Bard.	Male	Celtic	-
Tanguy	Fighter.	Male	Celtic	-
Teaghue	Bard.	Male	Celtic	-
Teague	Bard.	Male	Celtic	-
Tegan	doe	Male	Celtic	-
Teithi	Mythical son of Gwynham.	Male	Celtic	-
Teyrnon	Regal.	Male	Celtic	-
Tiernan	Regal.	Male	Celtic	-
Tiernay	Regal.	Male	Celtic	-
Tierney	lordly	Male	Celtic	-
Torin	chief	Male	Celtic	-

Torrey	Lives by the tower.	Male	Celtic	-
Tory	Lives by the tower.	Male	Celtic	-
Trahern	Strong as iron.	Male	Celtic	-
Treasa	third one	Female	Celtic	-
Tremaine	From the town encircled by stone.	Male	Celtic	-
Tremayne	From the town encircled by stone.	Male	Celtic	-
Treva	prudent	Female	Celtic	Treve
Trevor	Wise.	Male	Celtic	-
Tris	Diminutive of Tristan: Sad din. In a story from the Middle Ages, Tristan, nephew of King Mark of Cornwall, was in love with the princess Iseult of Ireland.	Male	Celtic	-
Tristan	Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde.	Male	Celtic	-
Tristen	Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde.	Male	Celtic	-
Tristian	Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde.	Male	Celtic	-
Tristin	Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde.	Male	Celtic	-
Tristram	Variant of Tristan: Sad din. In a story from the Middle Ages, Tristan, nephew of King Mark of Cornwall, was in love with the princess Iseult of Ireland.	Male	Celtic	-
Turi	Bear.	Male	Celtic	-
Ula	Sea jewel.	Female	Celtic	-

Ultan	ravine	Male	Celtic	Altán
Una	White wave.	Female	Celtic	-
Urien	privileged birth	Male	Celtic	Turien, Turio
Varden	From the green hill.	Male	Celtic	-
Vardon	From the green hill.	Male	Celtic	-
Varney	From the alder grove.	Male	Celtic	-
Vaughan	little, small	Male	Celtic	Vaughn
Vaughn	Small.	Male	Celtic	-
Venetia	Blessed.	Female	Celtic	-
Weylin	Son of the wolf.	Male	Celtic	-
Weylyn	Son of the wolf.	Male	Celtic	-
Winnie	White or fair.	Female	Celtic	-
Wynne	White or fair.	Female	Celtic	-
Wynne	Fair.	Male	Celtic	-
Wynnie	White or fair.	Female	Celtic	-