Claire,
Purely based on earliest fact known on George Hood d 1845 Selby -1812 to 1815 George was a cooper- (his Workshop former R Gibson bankrupt cooper Wren lane Selby)
Mariner could be a
cooper on ship (John Hood of Selby [Maudland's dad] or Richard Hood of Hull both mariners)
Hooper/Blacksmith/Whitesmith worked metal
Jenning Street Hood's Sculcoates.
Working on East coast theme
From W Hood
Cooper in the
Workhouse his dad Richard his sister Susannah
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From his daughter Susannah marriage to Jonas Brough 1858 (His dad William
a Hooper & assist a Cooper) her dad Richard Hood was a mariner
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Feb 17 1817 -Richard Hood married Elizabeth Barret - in Sutton in Holderness
With his death age 1838 =
born 1774 would make Richard Hood 43 at marriage suggesting he could have been a widower.

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maybe same Richard
Nov 29 1794 -Richard Hood married Jane Whiting- Alford, Lincoln, England
Richard son of William & Alice Hood - baptism 18 March
1774 Willoughby, Lincoln, England
your comments on