Definition: The term "Blue Blood" originates from the American TV series Blue Bloods on television, which aired from 1986 to 2005. In this series, a woman named Mary McCarthy (played by actress Mariska Hargitay) is an assistant district attorney and mother of two children, who has lived in Long Island for her entire adult life. The term "Blue Blood" refers to the fact that Mary is related to wealthy family members or people with wealth. In this case, she is related to the McCarthy family, which includes her father, brother, sister-in-law, stepfather, and mother-in-law. The term "blue" typically indicates a high status or reputation among the family, such as being part of a rich or prominent social group. The term "blood," in this context, refers to the bloodline through which Mary was related to her family members. This is because it is common for families to have certain generations living together due to their shared lineage. In the case of the McCarthy family, Mary's father, brother, sister-in-law, and stepfather all served as judges and were involved in various court cases. Overall, the term "Blue Blood" describes a woman who has lived in Long Island for her entire adult life and is related to wealthy individuals due to their shared lineage. The term also suggests that Mary McCarthy has been an influential figure in her community and is respected by people from all walks of life.