Clinton Co cemetery database (2018) says only: "B. 12-25-1819, D. 3-14-1896."

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Elijah Yost
mentioned in the record of Elijah Yost and Edna Arthur
Name Elijah Yost
Event Type Marriage
Event Date 15 Sep 1838
Event Place Highland, Ohio, United States
Spouse's Name Edna Arthur

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Edna Yost
United States Census, 1870
Name Edna Yost
Event Type Census
Event Year 1870
Event Place California, United States
Gender Female
Age 50
Race White
Race (Original) W
Birth Year (Estimated) 1819-1820
Birthplace Ohio
Page Number 14
Elijah Yost M 60 Ohio
Edna Yost F 50 Ohio
J Ferguson Yost M 21 Massachusetts
Nelly Terry F 20 Massachusetts

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Edna O Yost
United States Census, 1880
Name Edna O Yost
Event Type Census
Event Date 1880
Event Place Fairfield, Solano, California, United States
Gender Female
Age 60
Marital Status Married
Race White
Race (Original) W
Occupation Keeping House
Relationship to Head of Household Wife
Relationship to Head of Household (Original) Wife
Birth Year (Estimated) 1820
Birthplace Ohio, United States
Father's Birthplace Virginia, United States
Mother's Birthplace Virginia, United States
Sheet Letter A
Sheet Number 399
Person Number 1
Volume 1
Elijah K Yost Self M 71 Ohio, United States
Edna O Yost Wife F 60 Ohio, United States
Cynthia Sweeny Other F 18 Kansas, United States
George Stayell Other M 34 Maine, United States

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Edna Yaust
Ohio, County Death Records
Name Edna Yaust
Event Type Death
Event Date 14 May 1896
Event Place New Vienna, Green Township, Clinton, Ohio, United States
Residence Place Clinton Co., Ohio
Gender Female
Age 75
Marital Status Widowed
Race (Original) White
Birth Year (Estimated) 1821
Birthplace Highland

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From another F.A.G. contributor, via SAC, based on info at familsearch.org, 8-2023:

Children:
John Yost 1843–1863
Charles Yost 1845–Deceased
J Ferguson Yost Male - Deceased [male, born Massachusetts, living w/ parents in California in 1870; see transcript of 1870 census above]