There was a Jarrah in amongst the bubs born from my antenatal classes with DS. I've heard it somewhere else too but I can't remember where.

I have a bit of time now to go through my list for some suggestions for you:

Archer
Carter
Campbell
Jaxon
Arley
Arlan/Arlen
Barrett
Bennett
Benton
Blade
Blaze
Cade/Kade
Cayden/Caiden
Deacon
Edison
Fergus
Hamilton
Harlan
Jameson
Kent
Lincoln
Murray
Orson
Parker
Preston
Rhett
Rushton
Seth
Tyson
Wade
Xander (a bit too buffy with W perhaps lol)
Zane