I love me an unusual middle name! I personally think [name_m]Lorcan[/name_m] and [name_m]Soren[/name_m] share too many sounds with [name_f]Aurora[/name_f] to use with Borealis, tbh, but the others have potential. [name_m]Asa[/name_m] Borealis is my fav of your list.
[name_f][/name_f][name_m]Vincent[/name_m] Borealis
[name_f][/name_f][name_m]Adrian[/name_m] Borealis
[name_f][/name_f][name_m]Isidore[/name_m] Borealis
[name_f][/name_f][name_m]Simon[/name_m] Borealis
[name_f][/name_f][name_m]Casper[/name_m] Borealis
[name_f][/name_f][name_m]Idris[/name_m] Borealis
[name_f][/name_f][name_m]Stellan[/name_m] Borealis