| Name | David Smith BAY  |
| Birth | 19 May 1853, Porter County, Indiana163 |
| Death | aft 1899163 |
| Father | Cyrus Abraham BAY (1827-1900) |
| Mother | Lucinda FRAME (1833-1894) |
| 1 | Emma Annette "Nettie" BRITTEN1078 |
1860 U.S. Census:181 David enumerated in the household of his father Cyrus Bay in Union Township, Porter County, Indiana as a male, age 8, born in Indiana, in school within the year.
1870 U.S. Census:182 David enumerated in the household of his father Cyrus Bay in Portage Township, Porter County, Indiana as a male, age 16, white, born in Indiana, can read and write.
1890 Voter Registration:1079 Congressional District 1, Ward 30, Precinct 13, Morgan St. between 56th and 57th, David S. Bay, born in Indiana, white, lived in precinct 30 days, lived in county 3 years, lived in state 3 years, not naturalized citizen, qualified voter, registration application dated 14 October 1890, voted, ballot number 281.
1892 Voter Registration:1080 Congressional District 1, Ward 31, Precinct 11, 8815 Goodspeed Ave., D. S. Bay, born in Indiana, lived in precinct 2 months, lived in county 5 years, lived in state 5 years, native citizen, qualified voter, registration application dated 18 October 1892, voted.
1899 Pension Circular of Cyrus Bay:163 David S. listed among "still living" children of Cyrus Bay.
Descendants:167
Gladys Bay Patterson
Grace Bay
Earl Bay
Arthur Bay
Elizabeth Bay
Ethel Bay Stokes
Dessie bay