It is believed that he was actually the same person as Hisahiro ODA, the man formerly known as Toshihiro's cousin and the previous family head, and that Toshihiro called himself Hisahiro at first, but later changed his name to Toshihiro because he was granted the use of a character of the name of Owari no kuni shugo (governor of Owari Province), Yoshitoshi SHIBA (there are different opinions).
従兄弟とされる先代織田久広と同一人物とされ、初め久広（ひさひろ）と名乗り、のち尾張国守護・斯波義敏の偏諱を受け、敏広と改めたとされる（異説あり）。