- Inscription: Martha E., daur. of Samuel B. and Olive S. Knowles, died Feb. 20, 1840, AE. 3 y’rs & 8 m.
- Birth Date: ??/??/1836
- Birthplace: Epsom, NH US
- Death Date: 2/20/1840
- Death Location: Epsom, NH US
- Cemetery: Knowles Cemetery, Epsom, NH (26)
- Location: Epsom, NH US
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