Renner = ᎴᎾ (pronounced "lenna")
(If you can't see the cherokee font, it looks very similar to δΘ)
Ronnie Renner's birth name is Ronald Renner.
Jeremy Renner's birth name is Jeremy Lee Renner.
Renner's birth name is Ivair dos Reis Gonalves.
Renner means to run or a messenger
It is not a Tsalagi (Cherokee) word so it is said the same way it is spoken in English.
You can't find your name in Cherokee, it is a totally different language and they don't have english names turned into their language.
Cherokee
Mark = ᎹᎪ (pronounced mah-go)
jen
Tahnee = ᏔᏂ (If you're not able to see the Cherokee font, it looks somewhat like "Wh")
yo spell it hitkasuma
You spell it nulinigágá