Let’s start with the fact that Hadid has been notoriously private about details surrounding her daughter.
Although she shares images of the tot onInstagram, we are yet to see her face.
So, there’s precedent.

Fans are positive Gigi Hadid’s baby name is…
According toCapital FM, Swift and Hadid are well-documented BFFs.
The theory that this indeed was the case stems from a tweet (viaE!

“Y’all hear me out,” the fantweeted.
“My bestfriend just cracked something i guess.
SO WHAT IF GIGI’S BABY’S NAME IS DOROTHEA?”
What if Dorothea is Gigi’s daughter (whose name we still don’t know)?"
But it’s unlikely Swift or Hadid will confirm the theory at least not for awhile.