Complete the sibset- Finn and his little brother or sister...?

Complete the sibset- [name_u]Finn[/name_u] & his little brother or sister…? Would love to hear your ideas!

[name_u]Finn[/name_u] and [name_m]Charles[/name_m]
[name_u]Finn[/name_u] and [name_m]Harvey[/name_m]
[name_u]Finn[/name_u] and [name_m]Scott[/name_m]

[name_u]Finn[/name_u] and [name_f]Mabel[/name_f]
[name_u]Finn[/name_u] and [name_f]Laura[/name_f]
[name_u]Finn[/name_u] and [name_f]Jocelyn[/name_f]

A few examples of what you do like would help me. Also is [name_u]Finn[/name_u] a nickname? Without knowing more I’ll just throw some names out there:

[name_m]Wyatt[/name_m], [name_m]Felix[/name_m], [name_u]Lane[/name_u], [name_m]Vincent[/name_m] ([name_m]Vince[/name_m]), [name_m]Julius[/name_m], [name_m]Julian[/name_m]
[name_f]Maeve[/name_f], [name_f]Johanna[/name_f], [name_f]Eliana[/name_f], [name_f]Margot[/name_f]

I wouldn’t use another name ending in --N, but other than that, there are lots of possibilities!

[name_u]Finn[/name_u] and

[name_f]Alice[/name_f]
[name_f]Aoife[/name_f]
[name_f]Carys[/name_f]
[name_u]Clare[/name_u]/[name_f]Clara[/name_f]
[name_f]Grace[/name_f]
[name_f]Isla[/name_f]
[name_f]Ivy[/name_f]
[name_f]Kate[/name_f]
[name_f]Lois[/name_f]
[name_f]Lucy[/name_f]
[name_f]Maeve[/name_f]
[name_f]Mia[/name_f]
[name_f]Nieve[/name_f]
[name_f]Nora[/name_f]
[name_f]Rose[/name_f]
[name_f]Stella[/name_f]
[name_f]Tess[/name_f]
[name_f]Zoe[/name_f]

[name_m]Conall[/name_m]
[name_m]Cormac[/name_m]
[name_m]Dermot[/name_m]
[name_u]Emmet[/name_u]
[name_m]Liam[/name_m]
[name_m]Lief[/name_m]
[name_m]Luke[/name_m]
[name_u]Niall[/name_u]
[name_m]Paul[/name_m]
[name_m]Ragnar[/name_m]
[name_u]Rhys[/name_u]
[name_u]Rory[/name_u]
[name_m]Seamus[/name_m]
[name_m]Thomas[/name_m]
[name_m]Thor[/name_m]
[name_u]Vale[/name_u]

[name_u]Finn[/name_u] and…

[name_m]Simon[/name_m], [name_u]Reid[/name_u], [name_m]Henry[/name_m]
[name_f]Ivy[/name_f], [name_f]Ava[/name_f], [name_f]Cora[/name_f]

[name_u]Finn[/name_u] and [name_u]Reed[/name_u]

Or

[name_u]Finn[/name_u] and [name_f]Maya[/name_f]

[name_u]Finn[/name_u] and [name_u]Hudson[/name_u]
[name_u]Finn[/name_u] and [name_u]Charlie[/name_u]
[name_u]Finn[/name_u] and [name_m]Henry[/name_m]

[name_u]Finn[/name_u] and [name_f]Alice[/name_f]
[name_u]Finn[/name_u] and [name_f]Cora[/name_f]
[name_u]Finn[/name_u] and [name_f]Olivia[/name_f]