Here are some genderbent names, transforming male names into modern, pretty, girly female names:

From Classic Male Names:

• Alexander/Alexandra: A classic choice, Alexandra retains elegance and familiarity while clearly being feminine.
• Andrew/Andrea: Andrea offers a sophisticated and stylish alternative.
• Arthur/Artheria/Audrey: Artheria offers a unique twist, while Audrey is a well-established pretty name.
• Charles/Charlotte: Charlotte is a timeless and popular choice, maintaining a sense of regal charm.
• Edward/Edwina: Edwina provides a less common but equally elegant option.
• Frederick/Frederica: Frederica offers a sophisticated and slightly less common alternative.
• George/Georgia: Georgia is a strong and popular choice, maintaining a sense of classic beauty.
• Henry/Henrietta/Harriet: Henrietta offers a more formal feel, while Harriet is a charming and slightly more casual option.
• James/Jamie/Jemma: Jamie is unisex and already popular, while Jemma offers a distinctly feminine twist.
• John/Joanna/Joan: Joanna is a classic and elegant choice, while Joan is a shorter, more modern version.
• Joseph/Josephine: Josephine is a romantic and well-established feminine name.
• Robert/Roberta/Robin: Roberta is a strong and classic choice, while Robin is a shorter, more modern option.
• William/Wilhelmina/Willow: Wilhelmina is a strong and unique choice, while Willow is a softer, more nature-inspired option.

From Less Common Male Names:

• Asher/Ashlyn: Ashlyn is a modern and pretty name with a nature-inspired feel.
• Blaire/Blair: Blair is already somewhat gender-neutral, but the spelling "Blaire" leans more feminine.
• Casey/Cassie: Cassie is a short, sweet, and popular feminine version.
• Dakota/Dakota: Dakota is already fairly gender-neutral, but works well as a feminine name.
• Hunter/Huntress: Huntress is a strong and unique choice, evoking a sense of independence.
• Parker/Parker: Parker is already somewhat gender-neutral and works well as a feminine name.
• Riley/Riley: Riley is already fairly gender-neutral and works well as a feminine name.

Modern & Unique Options:

• Adrian/Adriana: Adriana is a beautiful and sophisticated choice.
• Avery/Avery: Avery is already quite gender-neutral and works well for both genders.
• Cameron/Cameron: Cameron is already quite gender-neutral and works well for both genders.
• Logan/Logan: Logan is already quite gender-neutral and works well for both genders.
• Sawyer/Sawyer: Sawyer is already quite gender-neutral and works well for both genders.

This list provides a variety of options, ranging from classic and elegant to modern and unique. The best choice will depend on the specific character or context. Consider the overall tone and style of your project when making your selection.