Family Disagrees with Name Choice

We don't know what we're having yet but we have a name for each gender picked out that aren't quite set in stone but we both agree they are very possible choices. But when my SO's mother, brother, and grandmother were asking about name choices they loved the girl name we picked but really didn't like the boy name too much. There's no way I'm basing my child's name off of whether or not our family likes it, but it makes me wonder what you all think. For a girl we like Olivia Estelle and for a boy we like Lennon Edward. I'd love to hear your thoughts!