- Son of Benjamin (Squire Ben) Yerxa and Jemima Sisson
- Born 1825
- Married Levina Yerxa 13 March 1844 Douglas Parish by Rev. John Dunn in the presence of Stephen Burtt and Benjamin Hawkins.
- Farming in Douglas Parish, York County NB in 1861
- Died 25 February 1871
- Levina Yerxa was born 31 December 1821 at Keswick NB
- Daughter of James S. Yerxa and Sarah Hawkins
- Living with her daughter Jemima in Douglas Parish, York County NB in 1871
- Living with her daughter Jemima and son Oscar at St. Mary's, York County NB in 1881
- Died 29 April 1888 at Gibson, York County NB
Children of Jonathan Yerxa and Levina Yerxa
- James A. born 1845
- Oscar Benjamin born 23 August 1948
- Jemima born 1849
Charlotte (Inch) Ayers, daughter of Lulu Bernadette Yerxa, researched the "Oscar Benjamin Yerxa" line.