As I say, she is (or was, not strictly speaking sure there have been any cases in the last couple of centuries since most of the noble Irish families
are mostly dead or in-bred with others of a different blood and people can be easily confused when confronted by a sheet-wearing ugly spectre of doom)
a PORTENT rather than a, uh, well, disposer.
She strictly speaking doesn't necessarily kill you, but the cry is said to be extremely haunting "bone-chilling, yet beautiful", and that generally
lasts a few nights and then you're gone, no if's or but's, so if you're still with us, and there has been no weird noises, then don't worry.
Those that were mute generally banged on things and these were the ones that generally needed to touch someone to transfer their um, well, I'll say
'curse' but its more you need to know and thats the only means she can tell you (I find it amusing that Terry Pratchett knows about mute Banshee and
uses it to his advantage in his humourous fictional tales in Discworld novels).
If you haven't heard any weird wailing, its very very unlikely, and again, no Irish Lords = no Sidhe worries anyway. Phantom fay dogs (Cue Sidhe
always pronounced 'Coo Shee' like Bean Sidhe is pronounced 'Ban Shee'), well that's another matter...
To some she was a messenger that they should change their ways. I've read a couple of accounts in the latter centuries where people were being a bit
'naughty', generally concerning extra-marital affairs and she appeared to tempt them, but they saw through it (or she let them), and they lived
happily with their wives until she called again.
As I say, the can bang, but its unlikely if you're not Irish that its a portent of your death, so don't worry, just get a new screen door!
I love fay lore, its extremely interesting, and being a bit Celtic (Welsh) its part of my heritage. I prescribe to a belief that something is living
inside the earth, something that has no love for humans certainly, and may be these 'faries' or Richard Shavers 'derro'. I'm of the opinion its
all connected, faries, aliens, bigfoot, etc, and so it interests me greatly.
Hope, whatever it is, it leaves you well alone or at the very least, does you no harm, ever. I hope I've helped in some way.