>>We've got Kay-nig (Koenig) Road, the town of Bernie (Boerne) and the town of Green (Groene)
>
>We have a major street here in Toronto named 'Eglinton Avenue', and invariably people will stick in an extra 'g' and pronounce it 'Eglington'. Nobody knows why.

Because of the analogy with Arlington, Wellington, Paddington, Islington, Remington...?

There are stronger cases than this: in Serbian, "x & y" are called "iks & ipsilon". Of course some people will call it "iks & iksilon". Just like they invented Stanlio & Olio.