We are expecting third baby boy. Siblings are big brothers [name_m]Nolan[/name_m] and [name_u]Chase[/name_u]. Considering:
[name_m]Henrik[/name_m]
[name_u]Grady[/name_u]
[name_m]Briggs[/name_m]
[name_m]Eli[/name_m]
[name_u]Karson[/name_u]
Oh, I love [name_m]Eli[/name_m]! Such a great little name! [name_m]Nolan[/name_m], [name_u]Chase[/name_u] and [name_m]Eli[/name_m] sound fantastic together.
I like [name_m]Eli[/name_m] the best from your list.
Other ideas:
[name_u]Camden[/name_u]
[name_m]Damian[/name_m]
[name_u]Ashton[/name_u]
[name_m]Miles[/name_m]
[name_u]Emmett[/name_u]
[name_m]Abel[/name_m]
[name_m]Bennett[/name_m]
[name_m]Griffin[/name_m]
From your list my favorite is [name_u]Grady[/name_u], something about it just sounds good with [name_m]Nolan[/name_m] and [name_u]Chase[/name_u] to me.
The only one on your list that sounds good to me is [name_u]Karson[/name_u]. I prefer it with a C though.
[name_m]Nolan[/name_m] and [name_u]Chase[/name_u] have a preppy boy vibe. So does [name_u]Carson[/name_u].
Suggestions:
[name_m]Dominic[/name_m]
[name_m]Isaac[/name_m]
[name_m]Grayson[/name_m]
Greyston
[name_m]Brogan[/name_m]
[name_m]Levi[/name_m]
[name_m]Jacoby[/name_m]
[name_m]Holden[/name_m]
[name_m]Harrison[/name_m]
[name_u]Sullivan[/name_u]
[name_m]Lawson[/name_m]
[name_m]Landon[/name_m]
[name_m]Garrett[/name_m]
[name_m]Tripp[/name_m]