Here are some clues to look at:
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJM9-VDF : accessed 22 January 2020), Embry A Higginbotham, Wilson, Atoka, Oklahoma, United States; citing ED 14, sheet 11A, line 36, family 177, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1452; FHL microfilm 1,821,452.
"Oklahoma, County Marriages, 1890-1995." Database with images. FamilySearch. "Oklahoma, County Marriages, 1890-1995," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XVGW-QQ4 : 4 November 2017), Embry Higginbotham and Josie May Strutton, 07 Oct 1917; citing Oklahoma, various county courthouses, Oklahoma; FHL microfilm.
"United States World War I Draft Registration Cards, 1917-1918", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KZD2-YRQ : 24 August 2019), Embry Higginbotham, 1917-1918.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLQT-12K : accessed 22 January 2020), Embrey Higginbottom in household of Ben N Higginbottom, Township 12, Bryan, Oklahoma, United States; citing enumeration district (ED) ED 33, sheet 16B, family 287, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1244; FHL microfilm 1,375,257.