Hum, I think (oilandwater) that's a bit harsh. We all think our children are unique, and we want names that reflect how special we think they are.
I changed my name as a child; I had a nickname I didn't like then I didn't like the long version then I changed it to something completely different. So it did occur to me to have it something very different!
My new name was common and it was a problem at school, because the other XXXXs were very popular and I was a social nobody. I literally learnt to ignore the sound of my name, the boys were never talking to me....
If I believe what I read on MN, dd has the most common girl name nowadays (once you include variant spellings) -- we chose it to call her after DH's nan and it was unusual and elegant to my ears, at the time. And because of all the variant spellings (DD's spelling, exactly the same as her great-nan, is the only one I knew before I named her) we can't actually find a pencil with her name on it, would you believe?!
So we chose what I thought would be a very rare (unique) name for baby3, conventional spelling, and wouldn't you know it comes up in all the baby chav name lists, plus there has been one other in both his preschools in last 18 months? Bet I'll find it on future pencils more easily than DD's name!
Baby 4 is getting an old-fashioned boring but not very common name; everyone will know how to spell it, at least.