| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 4001 | Tristian | English | 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. | M | |
| 4002 | Tristin | English | 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. | M | |
| 4003 | Troi | English | Troy derives from the ancient Greek city of Troy; also from an Irish surname meaning 'soldier.'. | M | |
| 4004 | Trowbrydge | English | From the tree bridge. | M | |
| 4005 | Trowhridge | English | From the tree bridge. | M | |
| 4006 | Troy | English | Troy derives from the ancient Greek city of Troy; also from an Irish surname meaning 'soldier.'. | M | |
| 4007 | Troye | English | Troy derives from the ancient Greek city of Troy; also from an Irish surname meaning 'soldier.'. | M | |
| 4008 | True | English | Loyal. | M | |
| 4009 | Truesdale | English | From the beloved one's farm. | M | |
| 4010 | Truesdell | English | From the beloved one's farm. | M | |
| 4011 | Truitestall | English | From the beloved one's farm. | M | |
| 4012 | Truman | English | Loyal. | M | |
| 4013 | Trumbald | English | Strong or bold. | M | |
| 4014 | Trumble | English | Strong or bold. | M | |
| 4015 | Trumen | English | Loyal. | M | |
| 4016 | Trumhall | English | Strong or bold. | M | |
| 4017 | Tryp | English | Traveler. | M | |
| 4018 | Trypp | English | Traveler. | M | |
| 4019 | Tucker | English | Tucker of doth. | M | |
| 4020 | Tuckere | English | Tucker of doth. | M | |