Female and male first names : Greece.

Theodosia is a Greek name derived from "theos," meaning "god" or "divine." Popularized by Emperor Theodosius I, it signifies divine gift or goddess-like qualities.

Theolia, of Greek origin, means 'gift of god' or 'divine gift', reflecting its rare but enchanting character.

Theon is a Greek male given name derived from "theos," meaning "god," thus signifying "divine" or "godlike.

Theona is a Greek-derived name meaning 'divine' or 'godlike', historically used to refer to goddesses or revered individuals, and popularized by Saint Theona, an early Christian martyr known for her faith and courage.

Theone is a rare, Greek-derived name meaning 'goddess' or 'divine', inspired by the Oceanids of Greek mythology.

Theoni is a rare yet striking Greek name derived from 'theos', meaning 'god'. It was historically given to virtuous or beautiful women, and has been carried by notable figures like Theoni Vardinoyannis.

Theonita is a rare but elegant Greek name meaning "gift of the gods".

The name Theopa, of Greek origin, signifies "beauty" and is derived from "theos" (god) and "ops" (appearance). Despite its rarity throughout history, it could serve as a unique and elegant choice for parents seeking an uncommon name today.

Theopal is a Greek name meaning 'kinsman of God' or 'related to the gods'.

Theophane is a rare yet significant name derived from Greek words 'theos' meaning god and 'phainein' meaning to appear, translating to "God appears".

The name Theophila is of Greek origin and means 'loved by God'.

Theori is of Greek origin, meaning "gift from the gods.

Thera is a rare Greek feminine given name meaning "monster," associated with the mythical Chimera and the island of Santorini.

The feminine given name Theresa originates from Latin, meaning 'to harvest' or 'to reap', and was historically tied to the Greek goddess Demeter.

Theressia is a rare Greek-derived name meaning "miracle" or "wonder," often associated with divine intervention, and signifies strength and uniqueness.

Theria is a rare Greek-derived female name meaning "wild beast" or "wild animal", symbolizing strength, courage, and untamed spirit.

Therisa is a rare yet captivating Greek name derived from "therizein," meaning "to hunt or pursue." It carries strong connotations of determination and perseverance.

Therma is a rare Greek name derived from "thermos," meaning "hot" or "warm.

Thersa is a rare Greek female name derived from 'thersein', meaning 'to slaughter' or 'to sacrifice'. Despite this origins, Thersa has no violent connotations.

Theresa is a feminine given name of Latin origin, derived from "theresia," meaning "to harvest" or "to reap." It is associated with Demeter, the Greek goddess of agriculture and fertility. Throughout history, notable figures such as Saint Teresa of Ávila and Theresa von Trapp have carried this name, contributing to its popularity worldwide among Catholics and beyond.

Thersia is a rare feminine given name of Greek origin, derived from 'ther', meaning 'monster' or 'fear', but commonly associated with the gentler 'to harvest' connotation through its variation Thérèse.

Theta is a rare Greek-derived name meaning 'warm' or 'protection', originally used by ancient Greeks as a male name but now also popular for females.