What are the themes of the novel 'The Namesake' by Lahiri Jhumpa?

idenity: (American-Born) Gogol wants an American life. He changes his name to fight for that & rebels against his culture.

Displacement: Gogol's mother always doesn't feel exactly at home in New England and yearns for her family back in India.

Pressure: Gogol and Sonia feel pressure from their parents to marry Indian people.