We have two cats that stay in the garage at night. There are too many racoons, skunks, possums, coyotes and other animals in our area to let them stay outside. They go outside during the day, but stay in our yard for the most part.
One got hit by a car and we had to have her “patched up” a few years ago. She is doing very good again. Both of our cats are fixed, get shots annualy and have ID tags.
There are several cats that roam the neighborhood at night and we hear them fighting outside. Most of those don’t have collars or tags. They come into our yard sometimes, but our dog will run them out.
Enjoy your kitties! Sounds like you are a responsible pet owner.