The last name McCumesty is the 4,019,353rd most commonly used family name at a global level, borne by approximately 1 in 316,831,937 people.
Having such an unusual surname, I’ve done a fair bit of research into the family tree.
If you have the surname McCumesty – then we’re most likely related! – and I can tell you how. Get in contact with me at roots@mccumesty.net if you want to share or find out more about our surname.