A Thomas L. Blewett, born c. 1874 in Pennsylvania, both parents born in England, was living in Lead Ward 5, Lawrence, South Dakota, in 1910, married to Bertha, age 33, also born in Pennsylvania. They were married in about 1900 and had 2 children:
- Gertrude, age 8, born in SD - Thomas, age 3, born in SD
