Also 1920 census "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M687-RLQ : accessed 24 May 2017), Robt L Bowen, Easley, Pickens, South Carolina, United States; citing ED 153, sheet 13B, line 61, family 274, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1706; FHL microfilm 1,821,706.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SPZW-H5C : accessed 24 May 2017), Rachel Bowen in household of Head Frank F Mcgaha, Easley, Pickens, South Carolina, United States; citing enumeration district (ED) ED 4, sheet 5A, line 44, family 96, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2209; FHL microfilm 2,341,943.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K46Q-T1T : accessed 24 May 2017), Rachel Bowen in household of I A Davis, Ward 4, Easley, School District 13 Easley, Pickens, South Carolina, United States; citing enumeration district (ED) 39-23, sheet 7B, line 53, family 121, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 3831.
There is a family tree on family search that seems to be this family. It includes the following source for Rachel's death:
"South Carolina Deaths, 1915-1965," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N92K-995 : 18 April 2016), John Bowen in entry for Rachel Rebecca Bowen, 01 Jun 1943; citing , Bowen, Rachel Rebecca, 1943, Department of Archives and History, State Records Center, Columbia; FHL microfilm 1,943,921.
Also for Rachel it has an 1860 census entry: "United States Census, 1860", database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MDD5-42R : 30 December 2015), Rachel Fox in entry for Marion Fox, 1860.