| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1121 | Tierney | Irish | Regal. | M | |
| 1122 | Tighe | Irish | Handsome. Variant of Teague. | M | |
| 1123 | Tighearnach | Irish | Regal. | M | |
| 1124 | Tipper | Irish | Nickname and variant of the Irish name Tabar meaning a well. | M | |
| 1125 | Tor | Irish | Variant of Torrence: from the craggy hills. Tor is a name for a craggy hilltop and also may refer to a watchtower. | M | |
| 1126 | Toran | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1127 | Torean | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1128 | Toren | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1129 | Torence | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1130 | Torey | Irish | From the craggy hills. | M | |
| 1131 | Torin | Irish | Chief. Variant of Torrence: from the craggy hills. | M | |
| 1132 | Torion | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1133 | Tormaigh | Irish | Thunder spirit. | M | |
| 1134 | Tormey | Irish | Thunder spirit. | M | |
| 1135 | Torran | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1136 | Torrance | Irish | From the knolls. | M | |
| 1137 | Torrans | Irish | From the knolls. | M | |
| 1138 | Torrence | Irish | Variant of Torrence: from the craggy hills. | M | |
| 1139 | Torrey | Irish | 'From the craggy hills.'. | M | |
| 1140 | Torrian | Irish | Variant of Torrence: from the craggy hills. | M | |