Warren Yates was born about 1878. Birth record of son gives his birthplace. 
Warren Yates married Alice Abbot on Jan 1, 1903 in Camden, Massachusetts. 
In 1910, they lived in Camden, Maine a son and Alice's father Chandler Abbott. 
Household Role Sex Age Birthplace
Warren Yates Head Male 32 Maine
Alice Yates Wife Female 26 Maine
Lloyd Yates Son Male 5 Maine
Chandler Abbott Father-in-law Male 56 Maine
↑ "Massachusetts Births, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FXHL-GXN : 10 March 2018), Yates, 04 Jan 1905, Camden, Maine; citing reference ID #Image 708 p103 #9, Massachusetts Archives, Boston; FHL microfilm 2,057,438.
↑ "Maine Vital Records, 1670-1921," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KC6W-3Z9 : 4 April 2020), Warren A Yates and Alice M Abbott, 01 Jan 1903; citing Camden, , Maine, United States, multiple sources, Maine; FHL microfilm.
↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MR3H-PVF : accessed 19 August 2020), Warren Yates, Camden, Knox, Maine, United States; citing enumeration district (ED) ED 138, sheet 16B, family 336, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 542; FHL microfilm 1,374,555.