David Mason Sears III was born 1822 in Boston, Suffolk County, Massachusetts, United States to David Sears (1787-1871) and Mariam Clark Mason (1789-1831) and died 14 March 1874 New York, United States of unspecified causes. He married Emily Esther Hoyt (1821-1888) 29 March 1849 .
|Offspring of David Mason Sears III and Emily Esther Hoyt (1821-1888)|
|Emily Esther Sears (1851-)|
|David Sears (1855-)|
|Miriam Mason Sears (1857-)|
|Henry Frances Sears (1862-1942)||8 January 1862 Boston, Suffolk County, Massachusetts, United States||1 January 1942 Boston, Suffolk County, Massachusetts, United States||Jean Irvine Struthers (1872-)|
- David Sears - GENI