The name 'Hakuo' is a name that he adopted in retirement and was rarely used on stage with the exception of his son and grandson's name in a succession ceremony, while during his lifetime he was also known as Koshiro MATSUMOTO VIII.
「白鸚」の名跡は襲名披露興行の舞台以外にほとんど実績のない事実上の隠居名で、存命中は八代目松本幸四郎（はちだいめまつもとこうしろう）として知られた。