Not naming my baby after my MIL

Me and my husband are expecting our 3rd baby due on Thanksgiving. This baby was not planned at all and was a total surprise. But non the less we’re so exciting to meet our 3rd son.! And we’re very happy and excited. So when we 1st found out, we were hoping for a girl since we have 2 boys already. My husband already had named both boys (I picked out the middle name)and this time it was my turn. So back in January I lost my mother in law. My husband was her only child and my husband kept saying “if it’s a girl let’s name her after my mom” I didn’t say anything but it was a big no. Reason why is because our relationship wasn’t the best. And neither did my husband. Not going into detail but stalking was involved and harassment. And it affected my mental health. I do have some nice memories of course. But I just can’t and won’t name my baby after her. So now that we’re having a boy I have picked out his 1st name already. And my husband and his family has been suggesting to name our boy after my mother in law …still. So instead of having the “a” at the end of her name and drop “a” to make the name masculine. And call him by her nickname. It’s a no for me. I’m naming my child how I want to. It’s just got annoying and frustrating at this point. I know a lot of parents name there babies after a loved one but I can’t do it. My heart it set on the name I picked out. And I’m going with what my heart desires. If you read this far Thankyou. I just wanted to vent and get this outta of my chest.