John was the son of Jonathan Yarian and Amanda Macklin.
He appears in the 1900 census of Fairfield Township, Columbiana County, Ohio. He was a farmer.
He married about 1909 to Kathryn Floor.
They appear in the 1910 census of Fairfield Township, Columbiana County, Ohio. He was grist miller.

Name: John Yarian
Event Type: Marriage
Event Date: 10 Feb 1909
Event Place: Columbiana, Ohio, United States
Sex: Male
Age: 28 As of 22 Dec 1908
Marital Status: Single
Birth Date: 22 Dec
Birth Year (Estimated): 1881
Birthplace: Columbiana, O.
Residence: Columbiana, O.
Occupation: Laborer
Father's Name: John Yarian
Mother's Name: Amanda Macklin
Spouse's Name: Katharine Floor
Spouse's Sex: Female
Spouse's Age: 28
Spouse's Marital Status: Single
Spouse's Birth Date: Jun
Spouse's Birth Year (Estimated): 1881
Spouse's Birthplace: Unity Tp.
Spouse's Residence: East Palestine, Ohio
Spouse's Occupation: Potter
Spouse's Father's Name: Daniel Floor
Spouse's Mother's Name: Eliza Wilson
Married by: W. P. Holister, Presbyterian Minister, East Palestine, Ohio
Record Number: 105
Reference ID: cn 2127
GS Film Number: 927778
Digital Folder Number: 004017352
Image Number: 00285
Indexing Project (Batch) Number: M02352-6
Citing this Record "Ohio, County Marriages, 1789-2016," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X89D-QHN : 8 March 2021), John Yarian and Katharine Floor, 10 Feb 1909; citing Marriage, Columbiana, Ohio, United States, cn 2127, Franklin County Genealogical & Historical Society, Columbus; FHL microfilm.
Contributor: R.D. Baith (47514558)
John is listed widowed in the 1920 census of the same township with his daughter Elnora and sister Mame. He was a laborer in an iron foundry.
John's death was a suicide by hanging. He used a hitching post strap at a barn in Middleton. Contributing factor was despondency.