| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Themistocles | Glory/fame of the law (from θεμις 'law, custom' + κλέος 'glory, fame') | Greek | Boy | — | |
| Themistokle | Glory of the law | Greek | Boy | — | |
| Themistoklea | Glory/fame of the law | Greek | Girl | — | |
| Themistokleia | Glory or fame of the law; famed for justice | Greek | Girl | — | |
| Themistokli | Glory (fame) of the law | Greek | Boy | — | |
| Themistoklis | Glory/fame of the law (from Themis 'law, justice' + kleos 'glory') | Greek | Boy | — | |
| thena | Likely 'goddess' (if derived from Thea/Athena); otherwise a modern invented name without a traditional meaning | Greek | Girl | — | |
| Theoclea | God's glory | Greek | Girl | — | |
| Theoclymene | God-famous; famed or renowned by God | Greek | Girl | — | |
| Theodatus | Given by God | Greek | Boy | — | |
| Theodore | Gift of God | Greek, Latin | Boy | — | |
| Theodorina | Feminine form of Theodore, meaning "gift of God" | Greek | Girl | — | |
| Theodosi | Given by God | Greek | Boy | — | |
| Theodosius | God-given | Greek, Latin | Boy | — | |
| Theodotus | Given by God / God-given | Greek | Boy | — | |
| Theodulus | Servant of God | Greek | Boy | — | |
| Theoni | Divine, godly (from Greek theos 'God') | Greek | Girl | — | |
| Theophanes | Manifestation or appearance of God | Greek | Boy | — | |
| Theophanis | Manifestation of God; God-appearing | Greek | Boy | — | |
| Theophanía | Appearance or manifestation of God (an epiphany) | Greek | Girl | — | |
| Theophilas | Friend of God; beloved of God | Greek | Boy | — | |
| Theophiles | Friend of God; loved by God | Greek | Boy | — | |
| Theophilios | Friend of God; loved by God | Greek | Boy | — | |
| Theophilius | Friend of God; loved by God | Greek | Boy | — | |
| Theophylle | Friend of God; loved by God | Greek | Girl | — | |
| Theophylus | Friend of God; beloved by God | Greek | Boy | — | |
| theotimos | Honored by God | Greek | Boy | — | |
| Theresien | Generally rendered as "harvester" or associated with "summer" (etymology uncertain) | Greek | Girl | — | |
| Theresija | Possibly 'harvester' or 'from the island of Thera' | Greek | Girl | — | |
| thesaly | From Thessaly; of the Thessalian region in Greece | Greek | Girl | — | |
| Thiala | Blooming, flourishing; joyous | Greek | Girl | — | |
| thodosios | Given by God | Greek | Boy | — | |
| Thomai | Twin | Greek | Girl | — | |
| TiaraRose | Crowned/royal rose (combines 'tiara' = crown/headpiece and 'rose' = flower). | English, Greek | Girl | — | |
| Tichon | Fortunate, lucky (from Greek 'tyche' meaning 'fortune') | Greek | Boy | — | |
| Tiff | Appearance or manifestation of God; 'epiphany' | Greek | Girl | — | |
| tiffanney | Variant of Tiffany, from Theophania meaning "manifestation of God" (epiphany). | English, Greek | Girl | — | |
| Tiffnee | Derived from Greek Theophania meaning "manifestation of God" or "epiphany" | Greek | Girl | — | |
| Tilemachos | Fighter from afar (literally 'far' + 'battle') | Greek | Boy | — | |
| Timofiy | Honoring God | Greek | Boy | — | |
| Timoteusz | Honoring God / honored by God | Greek | Boy | — | |
| Tindaro | Derived from Tyndareus, a king of Sparta in Greek mythology | Greek | Boy | — | |
| Tini | Little Tina | Finnish, Greek, Italian, Latin | Girl | — | |
| Tinos | From Tinos (a Greek island); a toponymic/place-based name | Greek | Boy | — | |
| Tiphanny | Appearance or manifestation of God; born on or associated with the feast of Epiphany | Greek | Girl | — | |
| Tiridates | Created by Tir | Armenian, Greek, Iranian, Parthian | Boy | — | |
| Todor | Gift of God | Bulgarian, Greek, Macedonian, Serbian | Boy | — | |
| Toomas | Twin | Aramaic, Estonian, Greek, Latin | Boy | — | |
| Totila | Little father | Gothic, Greek, Latin | Boy | — | |
| Trine | Pure | Greek, Scandinavian | Girl | — |
Aggregated births across United States, United Kingdom, France, Germany for every Greek-origin name in our dataset.