Disagree with one of the above correspondents.
Leigh near Tonbridge is definitely pronounce 'Lye'
Mereworth is merryworth

Alan Major once claimed that anything ending in -den is stressed, but after 28 years of life in Marden, anyone calling it Mar-DEN would get an odd look. Definitely MAR-don.
The _DEN rule seems only to apply to HorsmonDEN, Spelmon-DEN and CowDEN, but not FRITTEN-den.
Mundy Bois near Pluckley, I assume to be Mundy BOYS.

Theydon Bois??