Hi Jason
Went home over the weekend and got out my printed copy of Old Swinford parish records.
Burial for wife Sarah 15.2.1808 age 53 which would make her born 1755,just possible.
Son John bapt 31.1.1776 buried 2.12.1801.
The copy only goes up to 1819 for burials ,so can't give an age for George I'm afraid.
The headstone for Thomas Perrins died 1851 age 67 is still in Old Swinford but no other details.It's section D row g no 13 next to another Thomas died 1879 age 64.George is on row e no 13 no dates .next to a cage burial.
Poor law records
Abel Perks anvil maker(died 17.8.1792).George Perrins gearmaker and Richard Pearson labourer pay a bond of £40 for the male bastard son of Ann pearson born 23.7.1786 .Bound unto Joseph Collins yeoman and Ross? Perry nailor.
1769 George Perrins taken on as an apprentice by Joseph Green of Wollaston baker until 21 or married .So he started as a baker's apprentice.The implication is that he is a poor child of the parish.A couple of possible sister Sarah and Elizabeth where apprenticed in the previous couple of years.
Baptism for Sarah Perks d of Joseph and Mary Perks 25.12.1754.There is a sister Mary 22.101.1752.
There is also a Sarah Perks d of Joseph and Ann baptized 20.3.1744/5
As for George - after much searching
George 11.4.1752 s of Joseph and Millicent Perrins.
Siblings Mark 26.5.1744,William22.3.1745/6 and Joseph 16.5.1749.(married a Sarah <1773 children Mary 7.2.1773 ,Mark 4.12.1774,Joseph 27.7.1777,James 31.1.1779,Millicent 24.12.1780-2.10.1781,George 25.8.1782-11.1.1786 and Nancy 11.6.1786-8.4.1788.)
To be honest I may have missed a few siblings did Perrins 1738 -1768 and Perks just the ones I spotted.
Marriage Joseph Perrins and Millicent Schoble?Noble the ink is awful 23.12.1742
There is a burial for Joseph Perrins 1.12.1784 age 62.And a baptism 30.7.1720 to John and Sarah born 20.7 1720. There is a family tree online.
I assume you've got George and Sarah's children ,but in case you haven't -Mary 26.12.1773,John 31.1.1776,William 14.3.1779,Betty 29.7.1781,Pheobe and Nancy 29.101.1783 ( died 1783) ,Thomas 17.2.1785,Jemima 1.7.1792 and Nancy 7.3.1795.
Hope that helps
Ciderdrinker