What does Theo mean?
Theo /theo/ as a boys' name (also used less regularly as girls' name Theo) is of Old German and Greek origin, and Theo means "brave people; God's gift". Theo is a version of Theobald (Old German). Theo is also a derivative of Theodore (Greek): from Theodorus.
(male) Thaytheo, Ther, ..
(female) Theoie, Thie, ..
How popular is Theo?
Theo is a somewhat prominent first name for men (#1023 out of 1220, Top 84%) and also a somewhat prominent surname for both adults and children (#92217 out of 150436, Top 61%). (2000 U.S. Demographics)
Presented below is the baby name history of Theo for boys. Theo reached its apex rank of #471 in the U.S. during the years 1900-1909, and is at #509 currently. (2014 U.S. SSA Records)
Ted, Theodor and Theodore (#126 last year) are the prominent alternative forms of Theo (#509 last year) listed in the Top 2000. Other forms, like Todor, are uncommon. Usage of these relations of Theo was at its most widespread during the years 1900-1909 (median #676) and has become much lower since (#1158, 65% less usage). Theodore is the steady favorite, although Theo appears to be becoming a favorite too, while versions such as Ted are now less popular.
Theo▲ is alike in pronunciation to Thaw. Other recommended names are Caeo, Cleo▼, Leo, Reo, Tadeo, Takeo, Taro, Taso, Teeno, Teo, Teom, Tex, Teyo, Thad▼, Thano, Theon, Theron▼, Thilo, Thom, Thor, Thu, Timo, Tino, Tito, Togo, Tomeo, Toro, Tre▼, Trey▼, Tye and Tyno. These names tend to be less frequently used than Theo.