I was just making a suggestion. And it actually doesn't get misspelled as Hailey. I have a niece named Hayley and no one has spelled it wrong yet.
As for trendiness, I'm not sure what you're basing your statement off of. If you're talking about American stats, Hadley is actually way more popular.
The trendiness I'm thinking about is not only about current stats, but also how quickly the name rises and falls (which dates it to a particular time).
See, Hadley went from not on the charts at all before 1998, where it debuted at #964. In 1999 it wasn't on the charts, then in 2000 it was at #919. Now, in the latest stats (2011), its at #178, which is a HUGE rise over a relatively short amount of time, ten years. In the next ten years, it will most likely drop quickly.
Hayley, in contrast, may have been more consistently popular over the last 30 to 40 odd years, but I wouldn't call it trendy. It first made the top 1000 in 1977 and has stayed on there since, usually between the 140-500 position.
Anyway, I'm not trying to talk you into Hayley at all, and if you like Hadley, that's your business, but I'm just explaining why for me Hadley is way more trendy than Hayley.
This message was edited 12/21/2012, 5:32 PM