Doolittle, whose speech patterns can be heard in this puzzle's theme answers

• Pupil of 'enry 'iggins
• One of the Schuyler sisters in "Hamilton"
• Shavian professor's pupil
• "Uncle Tom's Cabin" escapee
• The "her" in Broadway's "I've Grown Accustomed to Her Face"
• "My Fair Lady" flower girl Doolittle
• "Pygmalion" heroine
• "My Fair Lady" protagonist
• Higgins's prodigy

Wikipedia Word definitions in Wikipedia
Eliza is a female name in English, a shortened form of Elizabeth . It may also be used as or a variant of the Hebrew name Aliza, עַלִיזָה meaning "joyful". Closely related variant names are Elza , Elisa and the French form Élise .