Trying to work his age out cos it's all over the place

The headstone inscription says he died Nov 13 1896 age 77 yrs so born abt 1819?
This is what I've found so far....https://www.tribalpages.com/tribe/brows ... =601133953
and from FreeReg....
Parish Register
Register entry number 39
Marriage 27 Mar 1871 St Paul Blackheath, Worc
Charles PARISH age 40 widower Chain maker abode Hill Charles PARISH Farmer
Anna Maria BATE age 33 widow Chain maker abode Hill Richard TIBBETTS Farmer
Witness1 Joseph GOULD
Witness2 Phoebe PRIEST