A.J. Buckley is a dad!
The Justified actor and his fiancée, oncology nurse Abigail Ochse, are first-time parents after welcoming a daughter on Sunday, Jan. 19 at Cedars-Sinai Medical Center in Los Angeles, his rep confirms to PEOPLE.
Born at 1:36 a.m., Willow Phoenix Buckley weighed in at 7 lbs., 5 oz.
“Both baby, mother and father are doing well,” the rep tells PEOPLE.
“Greatest moment in my life happened at 136am this morning when my [fiancée] gave birth to our little angel Willow Phoenix Buckley #ProudDad,” he Tweeted shortly after her arrival.
In September, Buckley announced he and his bride-to-be were expecting a baby girl.
— Aj Buckley (@AjohnBuckley) January 21, 2014
– Anya Leon with reporting by Julie Jordan