1880 Census : Salamanca, Cattaraugus, New York, United States 
Richard Mannion - Self age 23 born Ireland
Joanna Mannion - Wife age 21 born New York, United States
William Mannion - Son age 2 born New York, United States
Maria Mannion - Daughter infant born New York, United States
Mary Murray - Mother-in-law age 49 born Ireland
Mamie Murray - Sister-in-law age 14 born New York, United States
08 Sep 1916 - Death - Bronx, New York, New York
Burial - Hillside Cemetery, Scotch Plains, Union County, New Jersey
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZZQ-FS3 : 8 September 2017), Richard Mannion, Salamanca, Cattaraugus, New York, United States; citing enumeration district ED 35, sheet 115C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0812; FHL microfilm 1,254,812.
↑ "New York, New York City Municipal Deaths, 1795-1949," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2WDT-44F : 11 February 2018), Richard Mannion, 08 Sep 1916; citing Death, Bronx, New York, New York, United States, New York Municipal Archives, New York; FHL microfilm 1,322,778.
↑ Find A Grave, database and images (accessed 28 May 2019), memorial page for Richard J Mannion (1857–1916), Find A Grave: Memorial #114733931, citing Hillside Cemetery, Scotch Plains, Union County, New Jersey, USA ; Maintained by Dianne Delitto (contributor 48021859)