The Big Bang Theory star Kaley Cuoco has welcomed her second daughter with fiancé Tom Pelphrey, sharing the joyful announcement with her millions of Instagram followers on October 14, 2026. The 40-year-old actress posted nine heartwarming photographs featuring the newborn and her proud parents, revealing that their little girl arrived on October 12. The couple, who became engaged in 2024, are already parents to daughter Matilda, born in 2023. Cuoco expressed overwhelming gratitude for the journey that brought their family to this moment, announcing that their family was now complete. She also shared a loving message for Pelphrey, celebrating the happiness they have found together. But it was their newborn daughter’s unusual name, particularly its deeply personal family connections, that caught everyone’s attention.

The couple named their daughter Philomena Carmine Bobby Pelphrey, affectionately calling her “Philo.” The name Philomena has Greek roots and is associated with meanings including “lover of strength,” “loved one,” and “courageous lover.” According to a source who spoke with People, the couple have a fondness for traditional, vintage-inspired names, making Philomena an especially meaningful choice. Her middle name, Carmine, honors Cuoco’s father, Gary Carmine Cuoco, and is also shared by her older sister, Matilda Carmine Richie Pelphrey. Meanwhile, Bobby pays tribute to Pelphrey’s side of the family, ensuring both parents’ family histories are represented. Fans and fellow celebrities quickly flooded the announcement with congratulatory messages, celebrating the newest addition to the family. For Cuoco and Pelphrey, the carefully chosen name reflects generations of family connections and marks the beginning of another joyful chapter as parents of two daughters.