I pronounce it MARE-uhns, but where I moved to in the pacific northwest they insist its pronounced morons, even though there's no o in the word. They are very insistent about that pronunciation too.
Well if you look up how to pronounce the city of Uccle, it's 'oo-cl'
I guess what I want to know is --do Americans pronounce the name of the chicken properly, or is there an americanized version....I've been calling her a millie just to avoid the whole question...