Miriam is an Irish TV broadcaster on RTÉ.
CelebSizes.com noticed Miriam mentioning her height on twitter, saying "It's great being 5.10 !", "I mean I'm v tall at 5.10" and "I am 5 10 and a half".
View this post on Instagram A post shared by Miriam O Callaghan (@instmiriam)
A post shared by Miriam O Callaghan (@instmiriam)