Please help!
[name_u]Everett[/name_u]
[name_u]Sawyer[/name_u]
[name_u]Finley[/name_u]
[name_u]Rowan[/name_u]
[name_u]Bran[/name_u]
[name_u]Kieran[/name_u]
[name_m]Henry[/name_m]
[name_u]Ellis[/name_u]
[name_m]Maxwell[/name_m]
[name_m]Cullen[/name_m]
[name_u]Barrett[/name_u]
What about these names? They seem to go well with the names of your boys 
[name_m]Lucas[/name_m]
[name_m]Callum[/name_m]
[name_u]Easton[/name_u]
[name_m]Kiefer[/name_m]
[name_m]Wesley[/name_m]
[name_m]Cooper[/name_m]
[name_m]Harvey[/name_m]
[name_m]Griffin[/name_m]
[name_u]Hudson[/name_u]
[name_m]Bastian[/name_m]
[name_m]Brecken[/name_m]
[name_m]Connor[/name_m]
[name_u]Riley[/name_u]
[name_u]Jensen[/name_u]
[name_m]Graham[/name_m]
[name_m]Tanner[/name_m]
Good luck!
Some names that may fit your style but are further down the popularity charts…
[name_m]Bennett[/name_m]
[name_u]Blake[/name_u]
[name_m]Breccan[/name_m]
[name_u]Camden[/name_u]
[name_u]Carson[/name_u]
[name_m]Dawson[/name_m]
[name_m]Declan[/name_m]
[name_u]Elliott[/name_u]
[name_u]Emerson[/name_u]
[name_u]Emmett[/name_u]
[name_m]Kellan[/name_m]
[name_m]Preston[/name_m]
[name_m]Roland[/name_m]
[name_m]Roman[/name_m]
[name_m]Ronan[/name_m]
Sorry for any repeats.
Names I think have a similar feel to [name_u]Brennan[/name_u]:
[name_m]Breccan[/name_m], [name_m]Jenson[/name_m], [name_m]Benson[/name_m], [name_u]Sander[/name_u], [name_m]Brendan[/name_m]/[name_m]Brandon[/name_m], [name_m]Kellen[/name_m], [name_u]Brooklyn[/name_u], [name_m]Preston[/name_m], [name_m]Griffin[/name_m], [name_m]Lyndon[/name_m], [name_m]Trenton[/name_m]
Names that I think have a similar feel to [name_m]Grayson[/name_m]:
[name_m]Wesley[/name_m], [name_m]Russell[/name_m], [name_m]Larsen[/name_m], [name_m]Graham[/name_m], [name_m]Declan[/name_m], [name_m]Jackson[/name_m], [name_u]Sullivan[/name_u], [name_u]Rhys[/name_u], [name_u]Tristan[/name_u], [name_u]Blake[/name_u], [name_m]Callum[/name_m], Caelum, [name_m]Lachlan[/name_m], [name_m]Cormac[/name_m], [name_m]Ronan[/name_m]
I like…
[name_u]Ashton[/name_u], [name_u]Aidan[/name_u] and [name_m]Ronan[/name_m]
[name_u]Ashton[/name_u], [name_u]Aidan[/name_u] and [name_m]Lachlan[/name_m]
[name_u]Ashton[/name_u], [name_u]Aidan[/name_u] and [name_m]Wesley[/name_m]
[name_u]Ashton[/name_u], [name_u]Aidan[/name_u] and [name_u]Brooklyn[/name_u]
[name_u]Ashton[/name_u], [name_u]Aidan[/name_u] and [name_m]Benson[/name_m]
[name_m]Connor[/name_m]
[name_m]Gabe[/name_m]
[name_m]Gage[/name_m]
[name_m]Brantley[/name_m]
[name_m]Finnegan[/name_m]
[name_u]Finley[/name_u]
[name_u]Rhys[/name_u]
[name_m]Rafer[/name_m]
[name_m]Zander[/name_m]
[name_u]Carlin[/name_u]
[name_m]Boyd[/name_m]
[name_u]Brett[/name_u]
[name_m]Brigham[/name_m]
[name_m]Duncan[/name_m]
[name_m]Gregor[/name_m]
[name_u]Flynn[/name_u]
[name_m]Flint[/name_m]
[name_m]Flanagan[/name_m]
[name_u]Grady[/name_u]
[name_m]Garrett[/name_m]
[name_m]Crosby[/name_m]
[name_u]Logan[/name_u]
[name_m]Nevin[/name_m]
Niro/[name_m]Nero[/name_m]
[name_m]Nolan[/name_m]
Kristoph
Kramer
[name_u]Keegan[/name_u]
[name_m]Kyron[/name_m]
[name_m]Baron[/name_m]
[name_m]Brahm[/name_m]
[name_m]Hanson[/name_m]
[name_m]Garson[/name_m]
[name_u]Reagan[/name_u]
[name_m]Patrick[/name_m]
[name_m]Paul[/name_m]
[name_m]Solomon[/name_m]
[name_m]Rafferty[/name_m]
[name_m]Wilson[/name_m]
[name_m]Liam[/name_m]
Frear
[name_m]Gilmore[/name_m]
[name_m]Gilbert[/name_m]
[name_m]Milo[/name_m]
Nyall
[name_u]Rhys[/name_u]