Mawson Armitstead-where did the name Mawson come from?

Maybe a little happy genealogy dance today.
I have a hypothesis for the origin of the Mawson name that has been frequently used in the names of the descendants of William Armitstead  born 1815 (1) in Kendal Westmorland England. In 1837 William married Agnes Mawson Troughton and that was all I could and can still prove. (2)  Then I found Agnes was the daughter of Christopher and Margaret Troughton and baptised in Kendal on November 14, 1811 in the parish church.(3)

Parish Church, Kendal, Cumbria photo © J Armitstead

Looking at descendants of William & Agnes Armitstead we have had three George Mawson Armitstead, one Thomas Mawson Armitstead, two Henry Mawson Armitstead, one Harold Mawson Armitstead, one James Mawson Armitstead, one Dennis Mawson Armitstead and so it continues.
As it was a custom to include the maiden name of the mother in the children's names I went looking for the marriage of Agnes's parents.
This did not help much. Christopher Troughton (widower) married Peggy Airey (widow) in the above church on May 16, 1809. (4)
From the 1851 census Margaret Troughton was listed as being aged 79 years and the mother in law of William  and Agnes Armitstead. (5) Hence, she may have been born in  about 1772.
Perhaps  Peggy Airey (widow) was Margaret Mawson.  Sounds great doesn't it?  I could find a Margaret Mawson being christened in the Presbyterian church March 23. 1777 daughter of William Mawson, hosier, of Stramongate (6) and even better when I could find William Mawson married Agnes Gibson June 8. 1773 in Kendal.(7)
This makes Agnes Mawson Troughton look like she is named after her possible grandmother, Agnes Mawson.
Well that looks good but there are  some problems.  Perhaps these are not the parents of Margaret Mawson if it is true that Margaret was not christened until 1777 and Margaret Mawson would have to marry Mr. Airey and have him die before 1809.
Can I find Margaret Mawson marrying Mr Airey? No.
It was obviously too good to be true that William Mawson and Agnes Gibson were Margaret's parents.
Still looking for Mr Airey who married a Margaret and him dying before 1809.
So, no happy dance yet.

1. "England Births and Christenings, 1538-1975", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V5LN-JWC : 19 March 2020), Gulielmus Armitstead, 1815.

2."England Marriages, 1538–1973 ", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NVDX-B4G : 13 March 2020), William Armitstead, 1837. 

3. "England Births and Christenings, 1538-1975", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NK9P-G9J : 24 March 2020), Agnes Mawson Troughton, 1811.

4. "England Marriages, 1538–1973 ", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NJKM-QVW : 13 March 2020), Christopher Troughton, 1809.

5."England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SGBG-MWD : 12 September 2019), Margaret Troughton in household of William Armistead, , Westmorland, England; citing , Westmorland, England, p. 11, from "1851 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives of the UK, Kew, Surrey.

6. The National Archives of the UK; Kew, Surrey, England; General Register Office: Registers of Births, Marriages and Deaths surrendered to the Non-parochial Registers Commissions of 1837 and 1857; Class Number: RG 4; Piece Number: 3042 England & Wales, Non-Conformist and Non-Parochial Registers, 1567-1970 Author: Ancestry.com Publisher: Ancestry.com Operations, Inc. 2013 Provo, UT, USA  Ancestry.com

7. "England Marriages, 1538–1973 ", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NXJJ-J5S : 12 March 2020), William Mawson, 1773.