IPL also used the same list structure; it used the terms SYMB and LINK.
The original Lisp CAR and CDR operations used the machine-level instructions with those names on the IBM 704.
Cons cells were stored in single words of the 36-bit memory and 36/38-bit registers, and the CAR and CDR operations accessed the "address" and "decrement" 15-bit parts of a word, respectively.
The Address and Decrement terms and the fields of the 36-bit word they denote do come from the architecture.
There are instructions like LXA and LXD -- load index from address, load index from decrement.
The linked page with details was interesting, thanks!