As much as I love [name_f]Tallulah[/name_f] I think it’s a bit too matchy with [name_f]Delilah[/name_f]. [name_f]Luella[/name_f] is a little matchy too but less so, I think it could work! And I love the nickname [name_f]Lulu[/name_f].
[name_f]Mimi[/name_f] seems to reasonably fit thanks to [name_m]Archie[/name_m], but does feel very informal compared to [name_f]Delilah[/name_f]. Striking that balanced chord can be so tricky!
[name_f]Bonnie[/name_f] seems like a solid middle ground, not too matchy with [name_m]Archie[/name_m] and not too different from the feel of [name_f]Delilah[/name_f].
I would avoid [name_u]Paisley[/name_u] if you’re looking for something that isn’t too trendy, both because of [name_u]Paisley[/name_u]’s continued climb up the charts but also because of how prevalent -ley names are in general right now. Same for [name_f]Bella[/name_f].
Maybe:
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Mabel[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Valerie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Juliet[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Sadie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Rosalie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Eloise[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Susannah[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Stella[/name_f]/[name_f]Estella[/name_f]/[name_f]Estelle[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Annabelle[/name_f]/[name_f]Annabel[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Coralie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Lucinda[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Maisie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Emmeline[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Poppy[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Elise[/name_f]/[name_f]Elsie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Gwendolen[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_u]Marie[/name_u]/[name_f]Mary[/name_f]/[name_f]Mitzi[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Celine[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Vanessa[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_u]Patrice[/name_u]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Fiona[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Millicent[/name_f]/[name_f]Millie[/name_f]/[name_f]Minnie[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Phoebe[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Clover[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Norah[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Selma[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Genevieve[/name_f]
[name_m]Archie[/name_m], [name_f]Delilah[/name_f], and [name_f]Jolie[/name_f]