Xander Dane Jones born to ‘Mad Men’ actress Tuesday. By Kara Warner January Jones Photo: Stephen Lovekin/ Getty Images January Jones gave birth to a healthy baby boy named Xander Dane Jones on Tuesday. “Mom and baby are doing great,” Jones’ rep told Us Weekly. The “X-Men: First Class” and “Mad Men” actress admitted recently that choosing a baby name was harder than she thought it would be, especially given the fact that she chose not to know the sex of the baby beforehand. “I’m having a hard time,” she revealed to KRQ radio-show hosts Johnjay and Rich. “I’m looking for boy and girl names, obviously, because it’s going to be a surprise for me,” Jones said. “I love Cary Grant, I like Marilyn Monroe. That seems kind of like a celebrity thing to do, those weird names. I’m not really into that. I don’t want to be too clich
