Well, that depends on your crush, I’d imagine. Plenty of people name “romantic,” cute, or otherwise favored pokémon after people they care greatly for. Sometimes, the objects of affection find it flattering or even adorable. Others might not be so comfortable with the idea. I would recommend not telling your crush, however, unless you’re absolutely certain they’re amicable with you.
Are you thinking of that time you accidentally let it slip to the girl who runs the Goldenrod Flower Shop that you named an eevee after her? —LH
I am always thinking of that, but thank you yet again, Lanette. —Bill
The Pokédex According to Bill 