January Jones in "Mad Men." Creative Commons.

The new mom and baby are “doing great,” according to Jones’s representative. 

The “Mad Men” actress, who announced her pregnancy in April, has remained mum about the identity of Xander’s father. She has been linked to Jason Sudeikis, Josh Groban and Ashton Kutcher in the past. 

“Mad Men” creator Matthew Weiner said Jones really wanted a baby. 

"She's got a big heart and she's been talking about having children since I met her, which is not always common with actresses," Weiner said. "I think she's going to be amazing."

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