More info ! I was wrong !!
The bird was named after the suburb, which was
named after G.Rose esq.
I quote from J.D.Macdonald's "Australian Birds,
by Common Name, 1987"
From Rose-Hill ... where early colonists
named local bird rose-hill parakeet (and other popular names) adopted by
... These other names included rose-hill,
rose-hiller, rose-hill parakeet, rose-hill parrot.
So, G.Rose esq. by default had a bird named
Please .. no more corrections .. I have got the
Mount Isa, NW