What surname does Luciana, the title character of Lucky, use?

Luciana, the title character of Lucky, uses the surname Armstrong.

The character is formally identified as Luciana “Lucky” Armstrong and is played by Anya Taylor-Joy. Her surname connects her to John Armstrong, played by Timothy Olyphant, who is described as Lucky’s incarcerated father. The name therefore reflects a family relationship rather than simply being an alias for her criminal life.

Lucky’s identity is central to the series’ setup. After a multimillion-dollar heist goes wrong, she becomes the target of both the FBI and a dangerous crime organization. Her attempt to survive is complicated by her marriage to Cary Masterson and by the criminal connections of Cary’s family.

The alternative surnames are names associated with other characters: Dutch is used by Harris Dutch, Rand belongs to FBI agent Billie Rand, and Masterson belongs to Cary and Priscilla. None is Lucky’s surname.