I agree with letting her decide. She would be more likely to carry it more.
If there is a place that rents firearms, go and let her try some.
Some stores will allow dry fire on some of their display models too.
(As a side note, things I bought for her, she does not use. You know, the teddy, the high heels, the maid's costume.)
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)