Birth and death information from Find A Grave memorial which includes a picture of the cemetery records specifying her death date.
Sources
Death and Burial
Find A Grave, database and images (www.findagrave.com : accessed 06 March 2020), memorial page for Sidney Cox Mendenhall (17 Mar 1810–21 Jul 1858), Find A Grave: Memorial #148078594, citing Kennett Friends Burial Ground, Kennett Square, Chester County, Pennsylvania, USA ; Maintained by L Evans (contributor 47540766) .
Acknowledgements
WikiTree profile Cox-3517 created through the import of HEACOCK.JONATHAN1680.GED on Jul 17, 2012 by Ronald Heacock.
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