Burlison of Lanchester

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Hi!
    Can anyone help with the following?

I have a Mary Burlison marrying a Thomas Willis on 10 May 1787 at Lanchester. On the baptisms of their children it says Mary Burlison was the daughter of a Joseph Burlison of Swalwell?

Mary Burlison Willis was buried 12 June 1808 at Lanchester (gives date of birth roughly 1767/1768?).

The only other records for Burlison I can find is the marriage of a William Burlison to Thomasin Melross at Lanchester on 30 April 1786. They had a large family (including a son Joseph) and William was buried at Lanchester on 18 January 1818 (date of birth 1762?).

Any help with Josephs marriage of parents much appreciated!