Save Type Surname Usage Japanese Scripts 柏(Japanese Kanji) かしわ(Japanese Hiragana) カシワ(Japanese Katakana) Pronounced Pron. KAH-SHEE-WAH [key] Meaning & History This surname is used as 柏 (haku, hyaku, byaku, kashiwa) meaning "oak."It is also used as a masculine given name (see Kashiwa) and a place name (see Kashiwa).