Apple Lisa Pascal (started back in 1979) and Clascal (early 1980s extension of Lisa Pascal) were well known projects of Apple. The evolution went from Lisa Pascal, to Clascal, and then Object Pascal. Of course back in the 1980s, information doesn't get around as fast as it does now. Also, Apple played games with naming, which creates confusion that what is used was Pascal. You will see Apple Lisa or just Lisa a lot, omitting the Pascal name/description, so people can get the impression its some entirely different language.

When those employed by AT&T started pushing attacks on Pascal in the early 1980s and disparaging the language, to push their investments in C and Unix, Lisa Pascal and Clascal were arguably overlooked. Though this is partially also because of how Apple promoted it.

Unfortunately, that bad habit continued with Borland/Embarcadero, where people don't know that Delphi is a dialect of Object Pascal. In the same way people didn't know that Apple Lisa and Clascal were dialects of Pascal.

https://en.wikipedia.org/wiki/Object_Pascal#Clascal_and_Appl... (Clascal and Apple's early Object Pascal).

http://bitsavers.informatik.uni-stuttgart.de/pdf/apple/lisa/... (An Introduction to Clascal).