There are some really great suggestions here!!
Keep them coming!
I will say our last name ends with an -er sound, so I have a hard time with any names that end in -er, even though I [name_u]LOVE[/name_u] [name_u]Harper[/name_u].
My favorites are:
[name_u]Arlo[/name_u]
[name_u]Sawyer[/name_u]
[name_u]Ashton[/name_u] - I tutored a third grader with this name. I had never heard it used on a girl before but I like it.
[name_m]Lincoln[/name_m]
[name_u]Rowan[/name_u]
[name_u]Lennon[/name_u]
[name_u]Everest[/name_u]
[name_u]Monroe[/name_u]
[name_m]Ezra[/name_m]
[name_u]Tatum[/name_u]