Hi Steve Looks like you have two to choose from

With the rounding down of ages which occured in the 1841 census a person aged 24 would be enumerated as 20 if the enumerator followed his instructions
HO107/0233 Folio 9 Page 13
Black Down
Mary TavyBALL Joseph 65 Y (Yes born in County) Miner
BALL Elizabeth 60 Y
BALL William 20 Y Copper Miner
BALL Joseph 18 Y Lead Miner
HO107/0233 Folio 23 Page 40
Village
Mary Tavy
BALL Richard 65 Y Farmer
BALL Jane 65 Y
BALL Thomas 25 Y Ag Lab
BALL William 20 Y Miner Copper
next door
BALL Richard 30 Y Miner Copper
BALL Grace 30 Y
BALL Mary 10 Y
BALL Emma 2 Y
Cheers Kris
