I'm due a baby soon 
The boys name my DH really wants is his grandad's name. It's a popular, top 20 boys name. Only problem is my cousin (mum's sisters son) has already used his name for his DS.
I never see my cousin or his DS (once in last 5 years) and am only likely to see them in the future at big family events eg. weddings and funerals.
However, my DM is fairly close to her sister and I think my DM thinks it's not right to use the name.
My DHs name would be the middle name as per family tradition so using the name as a middle name is not an option (I'm not into more than one middle name). We had others on the short list but nothing we love as much as this and it would mean the world to my DH to use his grandad's name (he died of cancer a few years ago).
I figure as we never see my cousin and it's a popular name anyway we aren't BU but I know my mum is uncomfortable with it...
Opinions??