127 Cross one’s mind

(PW) think of, occur quickly to someone

It did not cross my mind to thank her for my birthday card.

(free) To come to know; realize:

It crossed my mind that you might want to leave early.

(dictionary)

cross one's mind, to occur suddenly to one:

A disturbing thought crossed her mind.

(your) cross someone's mind

to come suddenly or briefly to someone's mind