Your'e the Irish ... not me but, isn't Mc Dermo
tt of Dublin spelt with a duble
t, while Mc Dermot from London only has a single
t, like in the attached example, in comparison with yours ?
http://www.aucklandmuseum.com/collec...-object-775573
But i am far from knowing a single bit about this subject; this is just to tease you ... and entice you to ask your wife's opinion

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