Phillip Lip Gallagher (born January, 1988) is the oldest son and second child of Frank and Monica Gallagher. His parents delayed his birth registration for over a year. This is revealed to Lip on his 18th (actually 19th) birthday in series 4. According to his father, his nickname was bestowed upon him owing to him being a bit of a gobshite. Lip was in a long-term, open relationship with Mandy Maguire and they have a baby daughter, Katie, conceived while they were both still in school.When still in high school, Lip would charge money from other students so he would do their homework assignments for them.During series 1 he was in a relationship with schoolmate Karen Jackson, who dumps him for his own father Frank, causing him to beat Frank to a pulp in the middle of the street in a rage. He is ballsy, charismatic and never afraid to stand up to anyone, including the feared Maguire family. Lip dates a string of girls throughout the show, even partaking in a romantic affair with Lena, a woman considerably older than he was.Lip is close to younger brother Ian and was the first person to find out about his brother's homosexuality. Lip keeps it a secret and eventually becomes completely accepting of it.He is highly intelligent, takes 10 GCSEs, and eventually accepts an offer from Nottingham University in the last episode of Series 4. In the first episode of series five he returns to the estate during his university break to see Mandy and Katie. His secret girlfriend from university, Alex, decides to make a trip to the Chatsworth Estate. This costs Lip his relationship with Mandy. It is confirmed in the next episode that he returned to university.In the tenth episode of series 7, Mimi Maguire takes Katie to Brighton to visit Lip. It is revealed that he has finished university, acquired a new job in London where he is now working as an architect, and is engaged to be married. Mimi decides that it is best to leave Katie in the care of her father.