Marriage record:
"North Carolina Marriages, 1759-1979", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F85P-9YZ : 14 February 2020), J.f. McLamb and Ozilla Baggett married 30 Jul 1905 in Sampson, North Carolina.
I added link their WikiTree profiles along with location of marriage.
1920 US Census:
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZJY-1C3 : accessed 14 July 2020), Julius McLamb, Averasboro, Harnett, North Carolina, United States; citing ED 73, sheet 11B, line 57, family 181, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1304; FHL microfilm 1,821,304.
Lists Wife and 4 children including Reta.