[name]Arlo[/name] [name]Nathaniel[/name] is wonderful! The others I don’t care for at all… especially [name]Israel[/name], [name]Bishop[/name], and [name]Xerxes[/name]-- way too over the top.
From your list, I really love [name]Arlo[/name]! I think it’s such a cool name, and I really like [name]Arlo[/name] [name]Nathaniel[/name]. (I love [name]Nathaniel[/name] as a first name, too!)
With the religious names, the religiosity issue may not be an issue for you, but it may be something that will bother your son, which I think is something to consider.
I do think that [name]Xerxes[/name] is a cool name.
More you may like:
[name]Ansel[/name] (oops…Not with [name]Nathaniel[/name]…)
[name]Abram[/name] [name]Nathaniel[/name]
[name]Blaise[/name] [name]Nathaniel[/name] (it feels less overtly religious than some of the other names to me)
[name]Calder[/name] [name]Nathaniel[/name]
[name]Digby[/name] [name]Nathaniel[/name] (has [name]Ignatius[/name]’ Ig sound and [name]Iggy[/name] nickname…I think that [name]Ignatius[/name] is cool…)
[name]Edward[/name] [name]Nathaniel[/name] (I know it’s traditional, but I love it with [name]Nathaniel[/name])
[name]Edgar[/name] [name]Nathaniel[/name]
[name]Beckett[/name] [name]Nathaniel[/name]
[name]Inigo[/name] [name]Nathaniel[/name] (N heavy, though)
[name]Ivo[/name] [name]Nathaniel[/name]
[name]Isaac[/name] [name]Nathaniel[/name]
[name]Leo[/name] [name]Nathaniel[/name]
[name]Raymond[/name] [name]Nathaniel[/name]
Rigsby [name]Nathaniel[/name] (another [name]Iggy[/name] source)
[name]Willem[/name] [name]Nathaniel[/name]
[name]Zephyr[/name] [name]Nathaniel[/name]
[name]Zebedee[/name] [name]Nathaniel[/name]