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Roswell lost his family in 1905-1906, His first child died followed by his wife and then daughter. He moved to Los Angeles where he remarried and took in boarders and later had a business with a partner called Drury & Stephens.
Roswell died in Los Angeles but was buried with his first wife and children in Erie Pennsylvania.
Burial
Girard Cemetery, Girard, Erie County, Pennsylvania, USA. [1]
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"Find a Grave", database and images accessed 06 April 2021, memorial page for R Carmi Drury (28 Jun 1858–1 Dec 1920), Find A Grave: Memorial #95304618, citing Girard Cemetery, Girard, Erie County, Pennsylvania, USA ; Maintained by Sue Mueller (contributor 47366697).
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWFH-RDZ : 20 February 2021), R Carmi Drury in household of Roswell C Drury, Girard, Erie, Pennsylvania, United States; citing enumeration district ED 163, sheet 69D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,255,128.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M3SJ-HPW : accessed 6 April 2021), Carmi R Drury, Girard Township, South District Lockport borough, Erie, Pennsylvania, United States; citing enumeration district (ED) 107, sheet 6A, family 129, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,408.
"California, County Marriages, 1850-1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K8FT-PXK : 9 March 2021), Roswell Carnie Drury and Rutharene Becker Warren, 26 Mar 1908; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 2,074,017.
"California, County Marriages, 1850-1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XLW6-LJL : 9 March 2021), Roswell Carmi Drury and Katharine Warren, 26 Mar 1908; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 1,033,212.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MVL9-M3T : accessed 6 April 2021), Roswell Drury, Los Angeles Assembly District 73, Los Angeles, California, United States; citing enumeration district (ED) ED 183, sheet 7B, family 157, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 83; FHL microfilm 1,374,096.