How do you feel about strays?

[llovelace]

Your kitten and she would get along eventually. I've never had cats I couldn't intergrate.
You could try attaching a note to her collar and see if that helps? If she belongs to someone, they might get the note and respond in some way.
I had a cat once that started frequenting some other house. I suspected it for a few weeks, and finally he came back covered in flea powder. LOL. I put a note on the collar and he never came back.
Note: this was about 30 years ago, when everyone's cats ran loose. I prefer not to let cats roam now... but I was just a kid, and the family views were different.

I had the same thing happen with my cat, she came home one day with a note attached to her collar lol, traitor that she was