Jun. 8, 1846 Charlestown Suffolk County Massachusetts, USA
Town records have Mary being born in 1845. The 1900 Federal Census record has her being born in December of 1850.
Special Thanks goes to Findagrave member Mr. David Fleming for providing the following:
Born: Massachusetts Vital Records for Charlestown MA (vol 17 pg 25) Maria Ann Blood, female, 8 JUN 1846, born Everett Street, Charlestown parents Putnam B. and Abigail Blood, father occupation Prison Watch-man