↑ "Scotland Births and Baptisms, 1564-1950," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XTJS-3HP : 10 February 2018), Alexander Reid, ; citing Southend, Argyllshire, Scotland, reference - 2:16BK2N9, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 1,041,076.
↑ "Illinois, County Marriages, 1810-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QK9L-5ZGM : 17 October 2017), Alexander Reid and Janet Picken, 26 Mar 1842; citing Winnebago, Illinois, United States, county offices, Illinois; FHL microfilm 1,914,066.
Find A Grave: Memorial #53432627 Find A Grave, database and images (https://www.findagrave.com : accessed 15 August 2018), memorial page for Alexander Reid (21 Jan 1814–15 Mar 1882), Find A Grave Memorial no. 53432627, citing Scottish Cemetery, Caledonia, Boone County, Illinois, USA ; Maintained by Amelia Crombie-Christy (contributor 46861625) .
1850 US Census
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M854-LPD : 12 April 2016), Alexander Reed, Harlem, Winnebago, Illinois, United States; citing family 36, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).