Complex sentence: Many different stories have attempted to explain the name, ranging from the sugar containers from the plantation being marked for export with the initials "U.S." to it having been a referral to Samuel Fagot himself.
Split into simpler sentences: Many different stories have attempted to explain the name. One is that it came from the sugar containers from the plantation being marked for export with the initials "U.S." Others claim that it referred to Samuel Fagot himself.