Guessing Baby Ensign's Name

Perhaps not celebrities, but youtube couple, [name_u]Abbie[/name_u] & [name_f]Julia[/name_f] Ensign, are expecting their first child and I thought it would be fun to guess the name. They shared some hints in this video, along with other names they liked.

What we know:
They’re having a boy
Initials are H. N.
First name isn’t popular
Middle name has an S or Z sound
[name_u]Abbie[/name_u] likes “old man” and nature names
[name_f]Julia[/name_f] likes more modern names

[name_f]My[/name_f] current guesses are:
[name_m]Hawthorn[/name_m]/Hawthorne, [name_m]Harvey[/name_m], [name_m]Harrison[/name_m]
[name_m]Nicholas[/name_m], [name_m]Nelson[/name_m], Noels, [name_m]Niels[/name_m]

Harry
[name_m]Harris[/name_m]
[name_m]Henry[/name_m]
[name_m]Humphrey[/name_m]
[name_m]Harold[/name_m]
[name_m]Hank[/name_m]
[name_m]Heath[/name_m]
[name_m]Hugh[/name_m]
[name_m]Hugo[/name_m]
[name_u]Howard[/name_u]
[name_m]Hector[/name_m]

Norris
[name_m]Niles[/name_m]
[name_m]Nixson[/name_m]
[name_m]Nestor[/name_m]
Nazereth
[name_m]Noaz[/name_m]