I wouldn't argue she's not popular in the States, the publicity drive should ensure that, after all that's what the UFC.
Connor, bless him is popular in Ireland but it's a tiny place, they all know each other ( and it's not the UK in case anyone thinks it is!) I had to laugh when you said Norway had a show in the middle of the night, that's what all the US ones are to us. The recent Maywether fight was on here at about two, three in the morning. That wasn't so hugely popular despite the hype because Sky television were charging a fortune for pay per view and even charged nearly £20 to watch the repeat!
I really don't think she is the 'world's' most dominant athlete though, that is media hype, after all there's advertising to be sold in the magazine. There's no doubt she's the big name in female MMA at the moment but I'm not sure she's the biggest and most dominant female 'athlete', I'd say instead 'female MMA fighter' would be accurate.