I too am interested in the gods associated with death, especially those known as psychopomps (or soul guides or escorts to the afterlife).
Epona.
... and also suggested to be the one leading people's soul on the ride through the after-life
Yes, Epona is a soul guide.
Anubis, the jackal-headed god, guided souls to the Hall of Judgment
Hel wasn't a psychopomp, but her half face made the gods uncomfortable, so Odin assigned her the realm of the dead, who weren't made uncomfortable by her condition