Marion Try Slaughter (April 6, 1883 – September 14, 1948), better known by his stage name Vernon Dalhart, was an American country music singer and songwriter. His recording of the classic ballad "Wreck of the Old 97" was the first country song reputed to have sold one million copies, although sales figures for pre-World War Two recordings are difficult to verify. Biography. Dalhart was born in Jefferson, Texas, on April 6, 1883. He took his stage name from two towns, Vernon and Dalhart in Texas, between which he punched cattle as a teenager in the 1890s.
https://en.wikipedia.org/wiki/Vernon_Dalhart