"New Orleans, Louisiana Birth Records Index, 1790-1899," database online. Ancestry.com, Provo, Utah, USA. Vol 60 1/2 Pg 913. Ellen Luequincey O'Connor, 29 Jul 1881, New Orleans, Louisiana, USA, parents Patrick O'Connor and Luequincey Nelson.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS5L-62P : accessed 8 August 2017), Louiginay O Connor in household of Pat O Connor, 1st Precinct New Orleans city Ward 10, Orleans, Louisiana, United States; citing enumeration district (ED) 95, sheet 2A, family 23, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,573.
"Louisiana, Parish Marriages, 1837-1957," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKJH-HPCZ : 15 October 2015), James Thomas Manix and Ellen Luquincy O'Connor, 07 Dec 1908; citing Orleans, Louisiana, United States, various parish courthouses, Louisiana; FHL microfilm 910,379.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MV7N-SZF : accessed 8 August 2017), Ellen L Manix in household of James T Manix, New Orleans Ward 11, Orleans, Louisiana, United States; citing ED 182, sheet 6B, line 89, family 140, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 622; FHL microfilm 1,820,622.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XMR8-WCB : accessed 8 August 2017), Nellie Manix, New Orleans (Districts 1-250), Orleans, Louisiana, United States; citing enumeration district (ED) ED 165, sheet 17B, line 79, family 308, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 808; FHL microfilm 2,340,543.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VYPR-Z73 : accessed 8 August 2017), Ellen Manix, Ward 12, New Orleans, New Orleans City, Orleans, Louisiana, United States; citing enumeration district (ED) 36-331, sheet 6B, line 68, family 163, 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 1431.