| Children of Mary and William Williamson are:
| | i. | Sally Williamson was christened 18 Dec 1785 in Corney, Cumberland, England. |
| | ii. | William Williamson was christened 22 Mar 1788 in Corney, Cumberland, England. |
| 1. | iii. | Adam Williamson was christened 15 May 1793 in Parish of Corney, Cumberland, England, died 15 Jul 1865 in Sandy Beach, Gaspe, Quebec. He married Jane Kitchen 1 Jan 1824 in St. Paul's Church, Gaspe Basin, Gaspe, Quebec, daughter of Isaac Kitchen and Eleanor Borrowdale.
She was christened 28 Mar 1808 in Irton, Cumberland County, England, died 30 Oct 1891 in Sandy Beach, Gaspe, Quebec.
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| | iv. | Elizabeth Williamson was christened 8 Apr 1813 in Corney, Cumberland, England. |
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