At the time of the 1880 census, he was sixteen years old and still living at home with his parents. He was farming. In 1900, he was living with his mother, Sarah Taylor, and sister, Sarah Burgett, in Lincoln, Warren County. He was a teamster.
He married Jane Virtue Hastie on February 15, 1902. Jane was the oldest child of Phillip and Ellen Hastie. She was born in Iowa in 1869.
Jane and Jacob had two children:
Maurice Alexander Taylor (1914, married Maude Crane) and
Bessie E. Taylor (1916).
At the time of the 1920 census, they were living in Lincoln Township, Warren County, Iowa. Jacob was a farmer. The household consisted of J. C. age 55, Jane age 51, Maurice A. age 16, and Bessie E. age 14. At the time of the 1930 census, Jacob and Jane were living in Pleasant Grove Township, Marion County, Iowa.
Jacob died on June 28, 1948 and Jane died in 1951. They are buried together at Scotch Ridge Cemetery.