Tom Anderson wrote:
On Fri, 15 Jan 2010, Basil Jet wrote:

I always assumed that it was either Eye-zl-dn or Eye-yl-dn, but
apparently Isledon was the old name for Islington. This makes me
think it must be Iz-ler-dn, since that's the only pronunciation
which could conceivably drift into Islington.

I say aisle-dn. But i've only lived round there for a couple of
years, and have never actually heard anyone local pronounce it.

I've always pronounced it like the toilet paper - Izal-dun - the same as
Isleworth.