Last name Gisaku (Gisaku ) , worldwide, is an extremely rare family name. Much more prevalently, Gisaku is the forename as well as the last name.
Mori, Yoshioka, Yamazaki, Nakayama, Hoshino, Hayashi, Akiyama, Asakura, Shibata, Yamada, Iguchi, Takahashi, Ishida, Furuta, Hinata, Tanaka, Kaneko, Suzuki, Sasaki, Masuda, Maeda, Hara, Sato, Fukuda, and Hashimoto
) , worldwide, is an extremely rare family name. Much more prevalently, Gisaku is the forename as well as the last name.