I would love to see [name_m]Merrick[/name_m] or Hawthorn(e) being used as firsts! I also love [name_m]James[/name_m], [name_m]Levi[/name_m], and [name_m]Oliver[/name_m], but I’m guessing you have them in the middle because they’re more common than you prefer, or maybe tied to family.
Other ideas based on your list:
[name_m]Astin[/name_m]
[name_m]Augustine[/name_m]
[name_m]Calder[/name_m]
[name_m]Calvin[/name_m]
[name_m]Cameron[/name_m]
[name_m]Charlie[/name_m]
[name_m]Christopher[/name_m]
[name_m]Clyde[/name_m]
[name_m]Daniel[/name_m]
[name_m]Ernest[/name_m]
[name_m]Grady[/name_m]
[name_m]Gregory[/name_m]
[name_m]Herbert[/name_m]
[name_m]Isac[/name_m]
[name_m]Jake[/name_m]
[name_m]Jakob[/name_m]
[name_m]Jay[/name_m]
[name_m]Jim[/name_m]
[name_m]Jimmy[/name_m]
[name_f]Lou[/name_f]
[name_m]Oaks[/name_m]
[name_m]Ollie[/name_m]
[name_m]Thomas[/name_m]
[name_m]Westley[/name_m]
[name_m]Wyatt[/name_m]