Looks like she is the daughter of John R Allen, son of America Allen and Atha/Athalia Moore, daughter of Thomas and Lydia Moore.
SOURCE: United States Census, 1940, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K7WF-GKY), Joseph W Henley, Ward 2, Marshall, Marshall Township, Saline, Missouri, United States; citing enumeration district (ED) 98-24, sheet 16B, family 358, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 2155.
Joseph W Henley Head M 46 Missouri
Grace Henley Wife F 46 Kansas
Atha Henley Daughter F 12 Missouri
Atha Allen Mother-in-law F 76 Ohio
SOURCE: United States Census, 1910, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2BD-DSG), Grace M Allen in household of John R Allen, Blackwater, Pettis, Missouri, United States; citing enumeration district (ED) ED 109, sheet 3B, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,374,813
John R Allen Head M 48 Missouri
Ath B Allen Wife F 47 Ohio
Grace M Allen Dau F 16 Kansas
America J Allen Mother F 73 Tennessee
SOURCE:United States Census, 1900, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M3CB-T2V), John R Allen in household of E J Moore, Precinct 11 Kansas City Ward 3, Jackson, Missouri, United States; citing sheet 3B, family 28, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,861.
E J Moore Head M 49 Ohio
Thomas Moore Father M 79 Virginia
John R Allen Bro-in-law M 39 Missouri
Atha B Allen Sister F 37 Ohio
Grace M Allen Niece-in-law F 7 Kansas
United States Census, 1880, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MFPT-CYT), Atha B Moore in household of Thos H Moore, Iowa Point, Doniphan, Kansas, United States; citing enumeration district ED 74, sheet 490D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0379; FHL microfilm 1,254,379
Thos H Moore Self M 58 Virginia
Lydia A Moore Wife F 53 New Jersey
Thos H Moore Son M 19 Ohio
Atha B Moore Dau F 16 Ohio
Leonard Moore Son M 11 Kansas
See also:
United States Census, 1870, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCJV-RPM), Thomas H Moore, Kansas, United States; citing p. 16, family 115, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,931.
