| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 3901 | Thormond | English | Thor's protection. | M | |
| 3902 | Thormund | English | Thor's protection. | M | |
| 3903 | Thorn | English | Town of thorns. Thornton variant. Surname. | M | |
| 3904 | Thorndike | English | From the thorny dike. | M | |
| 3905 | Thorndyke | English | From the thorny dike. | M | |
| 3906 | Thorne | English | From the thom tree. | M | |
| 3907 | Thornley | English | From the thorny meadow. | M | |
| 3908 | Thornly | English | From the thorny meadow. | M | |
| 3909 | Thornton | English | Town of thorns. Thorn variants are English surnames occasionally used as given names. | M | |
| 3910 | Thorntun | English | From the thorn tree farm. | M | |
| 3911 | Thorp | English | From the village. | M | |
| 3912 | Thorpe | English | From the village. | M | |
| 3913 | Thronton | English | Town among the thorns. | M | |
| 3914 | Thrythwig | English | Strong warrior. | M | |
| 3915 | Thunder | English | Stormy tempered. | M | |
| 3916 | Thurhloew | English | From Thor's hill. | M | |
| 3917 | Thurleah | English | From Thor's meadow. | M | |
| 3918 | Thurleigh | English | From Thor's meadow. | M | |
| 3919 | Thurlow | English | From Thor's hill. | M | |
| 3920 | Thurmond | English | Thor's protection. | M | |