So our first daughter’s name is [name]River[/name] [name]Adelina[/name], last name is one syllable, starting with ST.
For the next one, we have a boys name [name]Avery[/name] [name]Jeremiah[/name], but clueless for a girl.
Seeing as [name]River[/name] is a little unisex, typically trending toward boys and [name]Avery[/name] is unisex also we were looking for a nice strong name following that trend. I feel like a frilly first name will be off kilter. But we have nothing.
Thoughts/suggestions?
I think you could use [name]Avery[/name] for a boy or a girl because its so unisex, which I really love. You would just have to change the middle name. Also [name]Avery[/name] and river sound really great together as either a boy/girl or girl/girl combo
I agree with Elle36. I think Avery can work in either direction and sound very nice with River. But other suggestions that are Unisex or maybe nature sounding?
River and August
River and Sawyer
River and Rowan- maybe too matchy?
River and Avery- I still like the idea of this.
River and Quin/Quinn
River and Spencer
River and Jude
River and Raleigh
River and Willow
River and Cedar
River and Meret/Merit
River and Aspen
River and Everette nn Eve
River and Silas
River and Aidan/Aiden
River and Addison
River and Alva
River and Noa/Noah
River and Emerson
River and Emery
River and Oakley
River and Rory- too matchy?
River and Adair
River and North- I know Kim K destroyed this. But it may still be appealing. Shes old news now that the Royal baby is born!
River and Nevada
River and Ivory
River and Story
[name]How[/name] about
[name]Teagan[/name]
[name]Kellen[/name]
[name]Linden[/name]
[name]Claret[/name]
[name]Ember[/name]
[name]Avalon[/name]
I really like [name]Quinn[/name] for a girl - not usually a fan of unisex names, but I like this one. I also like [name]River[/name] and [name]Avery[/name] 
[name]Sage[/name] could work, too.
I love so many of these, thank you!! I [name]LOVE[/name] [name]August[/name]!
I love [name]Rory[/name] too but that is definitely too matchy matchy.
Thank you!
Not a problem!!! [name]August[/name] has always been one of my faves. Good luck choosing