While [name_f]Philippa[/name_f] probably wouldn’t appeal to your s/o to honor [name_m]Phillip[/name_m], perhaps another name that incorporates the [name_u]Phil[/name_u] portion would, like [name_f]Philomena[/name_f]?
Like [name_f]Philomena[/name_f] [name_f]Myrtle[/name_f] [name_f]Prudence[/name_f]? (nn [name_f]Mina[/name_f] or Phee/[name_u]Fee[/name_u]? Maybe even [name_f]Fae[/name_f]/[name_f]Fay[/name_f].)
Combos:
[name_f]Gwendolyn[/name_f] [name_f]Irma[/name_f] [name_f]Patience[/name_f] ([name_f]Gwen[/name_f])
[name_f]Gwendolyn[/name_f] [name_f]Ines[/name_f] [name_u]Valor[/name_u]
[name_f]Gwendolyn[/name_f] [name_f]Antonia[/name_f] [name_f]Blythe[/name_f]
[name_f]Susannah[/name_f] [name_f]Ione[/name_f] [name_u]Peace[/name_u] ([name_f]Sue[/name_f])
[name_f]Susannah[/name_f] [name_f]Mildred[/name_f] [name_u]Peace[/name_u]
[name_f]Susannah[/name_f] [name_f]Jessamine[/name_f] (for [name_u]James[/name_u]?) [name_f]Liberty[/name_f]
[name_f]Virginia[/name_f] [name_f]Edith[/name_f] [name_f]Jubilee[/name_f] ([name_f]Vera[/name_f], [name_f]Gina[/name_f], [name_f]Ria[/name_f]/[name_f]Rina[/name_f])
[name_f]Virginia[/name_f] [name_f]Ines[/name_f] [name_f]Jubilee[/name_f]
[name_f]Antonia[/name_f] [name_f]Frances[/name_f] [name_f]Blythe[/name_f] ([name_f]Anne[/name_f]/[name_f]Ann[/name_f])
[name_f]Antonia[/name_f] [name_f]Gwendolyn[/name_f] [name_f]Honor[/name_f]
[name_f]Antonia[/name_f] [name_f]Mildred[/name_f] [name_f]Honor[/name_f]
[name_f]Sylvia[/name_f] [name_f]Marjorie[/name_f] [name_f]Honor[/name_f] ([name_u]Sal[/name_u])
[name_f]Sylvia[/name_f] [name_f]Helen[/name_f] [name_f]Patience[/name_f]
[name_f]Barbara[/name_f] [name_f]Naomi[/name_f] [name_f]Honor[/name_f] ([name_f]Barb[/name_f], [name_f]Bab[/name_f]/[name_f]Babs[/name_f], [name_f]Bara[/name_f])
[name_f]Barbara[/name_f] [name_f]Ines[/name_f] [name_f]Jubilee[/name_f]
[name_f]Barbara[/name_f] [name_f]Jeanette[/name_f] (for [name_u]Jean[/name_u]?) [name_f]Blythe[/name_f]