Not the same person as Emma C. Tryon, b Dec 1869 NY, who was the daughter of Andrew Tryon.
Father: Willian Henry Tryon
Mother: Huldah Bettis
Emma appears in home of her grandfather, Josiah Bettis, in Norvell, Michigan in 1880.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M823-M7S : 17 October 2014), Emma Tryon in household of Wm H Tryon, New York, United States; citing p. 29, family 225, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,611.
1870 US Federal Census; Census Place: Lyons, Wayne, New York; Roll: M593_1112; Page: 208A; Family History Library Film: 552611 (Ancestry.com)
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWSX-JPD : 10 August 2016), Emma A Tryon in household of Josiah Bettis, Norvell, Jackson, Michigan, United States; citing enumeration district ED 107, sheet 149A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0585; FHL microfilm 1,254,585.