I'm unrelated - my ancestors lived in the same area so I'll add a little.
According to 1930 Census, Harvey Jarrell's occupation was farmer.
Your wedding date is incorrect:
Name: Harvey Jarrell Age: 27 Est. Birth Year: abt 1883 Spouse: Bessie L Ennis Spouse Age: 23 Spouse Est. Birth Year: abt 1887 Marriage Date: 28 Dec 1910 Marriage Place: Kent
They were married by V. P. Northrup. That suggests the wedding was probably in Harrington - a M. E. ceremony.
Parents of Bessie Ennis are found in 1910 Census:
Name: Bessie Ennis [Bessie Heinold] Home in 1900: Kenton, Kent, Delaware Age: 13 Birth Date: Jan 1887 Birthplace: Delaware Race: White Ethnicity: American Gender: Female Relationship to Head of House: Daughter Father's Name: Joseph H Father's Birthplace: Delaware Mother's Name: Eva M Mother's Birthplace: Delaware Marital Status: Single Residence : Clayton Town (Pt.), Kent, Delaware Occupation: Farming
Household Members: Name Age Joseph H Ennis 42 Eva M Ennis 38 Harry Ennis 15 Bessie Ennis 13 Edward Ennis 10 Hester A Ennis 9 Eva E Ennis 8 Martha W Ennis 6 William G Ennis 3 William Gibbs 20Hired help William Stokes 26""
THENCE with the said northerly Right-of-Way and Denial-of-Access line South 52 degrees 12 minutes 13 seconds, West 286.3+/- feet to a point located opposite construction baseline station 968+85.62 and 174.36 feet distant to the right measured radially to the said construction baseline, said point being a corner formed by the intersection of the division line for lands formerly of Millicent Hutchins, now of the State of Delaware (Deed Record G Volume 46 Page 176) and lands formerly of Sarah Ruth Bratcher, now of the State of Delaware (Deed Record Y Volume 47 Page 322);