Five men called Jah. Three from Jamaica, one from Ethiopia and one allegedly from the West Country (although I have my doubts).
"Lama" - Jah Lloyd
"Uncle Lester" - Jah Thomas
"Yergeb Amora" - Jah Lude
"A Way You Come From" - Jah Woosh
"Wuthering Heights" - Jah Wurzel
Other Jahs are available.