Mepụta ụdị nke ahịrịokwu a William Rathbone IV (10 June 1757 - 11 February 1809) bụ onye otu ezinụlọ Rathbone a ma ama na Liverpool.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "William Rathbone IV (10 June 1757 - 11 February 1809), nwa William Rathbone III na Rachel Rutter bụ onye nwe ụgbọ mmiri na onye ahịa Liverpool, nke metụtara nhazi azụmahịa America na Liverpool. "