I found Tanna as a male Hebrew name, rather common, meaning "doctor/scholar of the Michna". http://www.jewishvirtuallibrary.org/jsource/Judaism/talmud_&_mishna.html
For a girl, I thought of a pet form of Tania
? Apart from the meaning listed here, it is also a Hebrew female name meaning "gift from G-d".
~~ Claire ~~My ! are Alia, Eidel, Enola, Israel, Dudel, Yuri, Lina, Lorelei, Leilani, Owen, Julian, Glorinda, Mirinda
My ? are Hillel, Meshullam, Johnny, Ginny, Cordelia, Fiammetta, Yocheved
My ~ are Tehila, Tilda, Hailey, Gillian, Huldah
My / are Aglaia and July