Save Gender Feminine Usage Japanese Scripts 信子, etc.(Japanese Kanji) Pronounced Pron. NO-BOO-KO [key·IPA] Meaning & History From Japanese 信 (nobu) meaning "trust" and 子 (ko) meaning "child". Other kanji characters can also form this name. DetailsPopularity Last ranked #73 in 1925 Canada (BC) Categories child meaning, truth Entry added November 16, 2019 ·