She missed two!
Rose Cotton
and
Eoreth herbswoman.
Eoreth was my favorite! “’The hands of the King are the hands of a healer’ I said, and that was how it was all figured out, and Gandalf, he said “long will men remember your words Eoreth””.
Rose Cotton wasn't bad either, loved her “Well you sure took your time getting back!” to Sam and her ironic “Don't lose him (Frodo) now that things are starting to get dangerous!” Sam didn't know what to say to THAT one! After Mordor and RingWraiths, some ruffians in the Shire were rather small change!
I really don’t see Tolkein as minimizing the role of women in his book. Arwen + Aragorn, the idea that an immortal woman would give herself so fully to a man that she would cede her immortality to marry him.
Eowyn, and her desire to fight on the battlefield, that she would not be left to defend the home, to the point where she KILLS the Witchking of Angmar, the most powerful of the Ringwraiths.
Galadriel, the most powerful of all the Elven Queens, who passes up on the ring when Frodo offers it to her freely.
The women all play pivotal roles in his book.
That’s pretty good for 1945.