Henry Detrick Yerxa
- Son of Benjamin (Squire Ben) Yerxa and Isabelle Fraser Needham
- Born 2 February 1847
- At age 19 Henry moved to Boston MA
- Lived at 37 Lancaster St., Cambridge MA
- Married Sarah Emma Emory 15 June 1869 at Fitchburg MA
- Became a naturalized US citizen 13 October 1876 at Boston MA
- Died Tuesday night 25 January 1919 in Cambridge MA
- Sarah Emma Emory was born 7 April 1845 at Fitchburg MA
- Daughter of Daniel Emory and Susan P. Pierce
- Died 16 February 1904 at Cambridge MA
- Buried in the Cambridge Cemetary, Cambridge MA
Children of Henry Detrick Yerxa and Sarah Emma Emory
- Sarah about 1870
- Herbert Emory born 16 June 1876 at Cambridge MA
- Helen Isabel born 1879
- Marion S. born 24 January 1883