"Harriet Pauline Smith was born in the state of Ohio Sun. Sept. 17th 1843. Died of consumption at 6 o'clock a.m. Sat. Oct. 2nd 1869, at the home of her parents in Atchison Co. Missouri. Aged 26 years and 15 days. She was my mother's oldest sister. (mother of Etta and Bub) (Ort)"
Fact: Census (1850) Hustisford, Dodge, Wisconsin, United States
Fact: Census (1860) Clay Township, Hardin, Iowa, United States
Ort's record disagrees with the Find-a-grave and tombstone death dates for Harriet. For now, I'm going with Ort.
1850 Census: "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M4DF-ZWM : accessed 28 August 2015), Harriet Smith in household of E G Smith, Hustisford, Dodge, Wisconsin, United States; citing family 16, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
1860 Census: "United States Census, 1860," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:M82K-F1T : accessed 28 August 2015), H P Smith in household of E G Smith, Clay Township, Hardin, Iowa, United States; from "1860 U.S. Federal Census - Population," database, Fold3.com (http://www.fold3.com : n.d.); citing p. 52, household ID 358, NARA microfilm publication M653 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 803,323.
Genealogy: Bachelor, Ort L. Taylor ~ Smith Family Record Property of Orra Burch This Record includes only the trees of the Taylors and Smith Families as given in my Record book. Undated.
Marriage: "Iowa, County Marriages, 1838-1934," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KCWD-XP5 : accessed 29 August 2015), J. C. Gordon and Harriett P. Smith, 15 Mar 1862; citing Hardin, Iowa, United States, county courthouses, Iowa.
It may be possible to confirm family relationships with Harriet by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Harriet: