Emma,
A marriage at Ovingham on the BT's,
Feb 14th 1784. David Barron of the parish of Simonburn and Mary Usher, of this parish, by license.
The Marriage License is on page 98 of the 1784 Durham Marriage Licences, at the link given by Christine.
David Barron ... of Simonburn .... bachelor aged 29 and upwards ..... Mary Usher of Ovingham....spinster aged 24 and upwards.
Surety by David Barron of Low Marallss in Northumberland, Yeoman, and James Nicholson, Schoolmaster, of Ovingham.
Other baptisms of children of David and Mary, at the Cheeseburn Grange Catholic Chapel.
1788 June 15th. Baptized David, born about 8 in the evening. The legitimate son of David and Mary Barrons Jun, of Dodley Farm. The sponsors were David Barrons Sen. and Mary Johnson.
1795 August 28th. Baptized Joseph, son of David and Mary Barrons of Dodley. Sponsors Thomas Barron, Joseph Johnson and Isabella Umpleby.
1797 Jan 26th. Baptized George, son of David and Mary Barrons of Dodley. Sponsors John Barron and Mary Marples.
1802 1 Nov. Baptized Mariam, daughter of David and Mary Barrons of Dodley. Sponsors John Barron Snr and Mary Moody.
Brothers George and Joseph Barrons are still farming at Dodley 1841-1861.
There is a death record of a David Barron of Hill Head, March 20th 1796 in the same register. May be David Snr? Hill Head is the adjoining farm to Dodley.
Familysearch has a baptism of a David Barron, son of David Barron and Mary, baptized Stamfordham 25 Dec 1753.
Alan.