Elizabeth Phoenix hmmmm I think it's a bit hard to say the "th" and the "f" sound after each other.
Does it matter to you if a name is in the top 100 ? i guess not since you like
Elizabeth :) hmmmm how about:
Audrey PhoenixMadeline PhoenixIsabel PhoenixRosalie PhoenixMaria PhoenixAlice PhoenixLaura PhoenixZara PhoenixCamilla PhoenixDiana PhoenixCharlotte PhoenixEliza Phoenix