James died on 3 Jun 1909 in Menard, Texas aged ~51 after being struck by lightning.
Sources
1900 Census: "1900 United States Federal Census" Year: 1900; Census Place: Justice Precinct 6, Kimble, Texas; Roll: 1651; Page: 7; Enumeration District: 0046; FHL microfilm: 1241651 Ancestry Sharing Link - Ancestry uk Record 7602 #43776994 (accessed 19 August 2022) James Amberson (42), married, Farm, head of household in Justice Precinct 6, Kimble, Texas. Born in Texas, USA.
Pioneer of Kimble County Was Killed By Lightning: Newspapers.com - Abilene Semi-Weekly Farm Reporter - 4 Jun 1909 - Page 1