Julia A. Nichols b abt 1824 Montg Co OH

Trying to find the family of Julia Nichols b abt 1824 in Montgomery, Co., Ohio.She was married to a White, possible first name William.They had a son named Samuel Vance White born in 1847 in Montgomery Co., Ohio.In the 1860 Montgomery Co.OH Census, she is listed with a second husband, John Clarke from Ireland.They are two sons, Robert b. abt 1857 and Charles b. abt 1859.She may have had more children.I found her widowed in the 1880 OH Census, still in Miami, Montgomery County, OH.She is listed as 59 years old.I could not find her in the 1900 Census. I am not sure if you died by this time or if she remarried.According to the 1880 Census, she was born in Montgomery Co., Ohio, her father was born in PA and her mother in Jersy.