Bloodborne

Good afternoon, people, help, I can’t get the raven hunter badge!
I read the wiki, about this quest Eileen, went to the central yarnam for barrels to look for her - she is not there (apparently I already took this quest?) I
went to the cathedral district and the main cathedral (watched the video, she is dying on the stairs) - she is there too no ...
I went where boss Gyson was - and she's not there ...
I killed all these bosses a long time ago, so I don't remember exactly what I did with this Eileen ...

But the fact is that she is nowhere to be found, and there is no badge either ...

Advise how to find her or how to get another sword of mercy? :)