| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1081 | Sorley | Irish | Viking. | M | |
| 1082 | Sruthair | Irish | From the stream. | M | |
| 1083 | Sruthan | Irish | Poet. | M | |
| 1084 | Strahan | Irish | Poet. | M | |
| 1085 | Struthers | Irish | From the stream. | M | |
| 1086 | Suidhne | Irish | Little hero. | M | |
| 1087 | Suileabhan | Irish | Black eyed. | M | |
| 1088 | SulliMn | Irish | Black eyed. | M | |
| 1089 | Sullivan | Irish | Dark eyes. Surname. | M | |
| 1090 | Sun | Irish | From the town by the river Boyn. | M | |
| 1091 | Sweeney | Irish | Little hero. | M | |
| 1092 | Taber | Irish | Well. | M | |
| 1093 | Tadhg | Irish | Bard. | M | |
| 1094 | Tadleigh | Irish | Bard. | M | |
| 1095 | Tag | Irish | Handsome. Variant of Teague. | M | |
| 1096 | Taicligh | Irish | Peaceful. | M | |
| 1097 | Tait | Irish | Measure of land. Surname. | M | |
| 1098 | Tally | Irish | Surname. | M | |
| 1099 | Tate | Irish | Measure of land. Surname. | M | |
| 1100 | Taveon | Irish | Variant of the word 'teeve' meaning hillside. | M | |