It is the name of a beautiful flower so it is a good baby name.
No known Roman name, they likely used the Greek 'Iris' or 'Arce'.
Iris Burton's birth name is Iris Burstein.
Iris Bynam's birth name is Iris Bynum.
Iris Meredith's birth name is Iris Shunn.
Iris Pappas's birth name is Gemmell, Iris.
Iris Lord's birth name is Iris Kligman.
Probably just Iris. Iris is already an English name.
Iris Russell's birth name is Iris Constance Russell.
Iris Tilley's birth name is Iris Florence Somner.
Iris Adrian's birth name is Iris Adrian Hostetter.
Iris Ashley's birth name is Iris Stafford Northcote.
Iris Rautenberg's birth name is Helene Iris Rautenberg.