I like [name_f]Calla[/name_f] more as a first name [name_f][/name_f]- but find Calla[name_f][/name_f] Holland a bit repetitive. [name_f]Adeline[/name_f] [name_f]Holland[/name_f] also flows and looks better to me!
[name_f][/name_f]A few suggestions:
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Hero[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Ireland[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Haegan[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_m]Hartland[/name_m]
[name_f][/name_f][name_f]Calla[/name_f] [name_m]Hartley[/name_m]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Ondine[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Hekate[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_m]Hopewell[/name_m]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Persephone[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Meraud[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Emerald[/name_f]
[name_f][/name_f][name_f]Calla[/name_f] [name_f]Rosemund[/name_f]
[name_f]Holland[/name_f] [name_f]Ophelia[/name_f]
[name_f][/name_f][name_f]Holland[/name_f] [name_f]Amelie[/name_f]
[name_f][/name_f][name_f]Holland[/name_f] [name_f]Aurelia[/name_f]
[name_f][/name_f][name_f]Holland[/name_f] [name_f]Amybeth[/name_f]
[name_f][/name_f][name_f]Holland[/name_f] [name_f]Madeline[/name_f]
[name_f][/name_f][name_f]Holland[/name_f] [name_f]Viviana[/name_f]
[name_f][/name_f][name_f]Holland[/name_f] [name_f]Cassandra[/name_f]