Leslie DeWitt was born 19 October 1903 in Saginaw County, Michigan. and died 13 September 1904 in Jonesfield Township, Merrill, Saginaw County, Michigan. According to the Saginaw County Death Records of Leslie Rigg's, he died at the age of 10 months and 24 days old. Leslie died of Tonsilitis.
Leslie Rigg died 19 days before his older brother Wallace Rigg died.