Need help with names.

I'm 23 weeks with baby #2 and we are having another baby boy!!! But here's the problem I do not have a name yet! With our first it felt so easy and with this one. We can't make a decision and I feel bad not calling baby by a name. We are using Glendon as the middle name to name him after his great grandpa. The names we like but are not settled on are Jackson, Miles, and Lincoln. But I need more suggestions or input! Help please!