Yes. In Big Cat era, you could at least memorise those names which have some meaning to nearly everyone around the world, and it always had a version number.

Mac OS X 10.7 "Lion" – 2010

Mac OS X 10.8 "Mountain Lion" – 2012

Now it is only a name I guess only people in US / California will know or understand. The same joke From Apple's "crack marketing team" and played out by Craig Federighi for something like 10 years[1].

But I guess that is post Steve Jobs's Apple for you.

[1] Just guessing since I remember they started using this line after Forstall left.