MAIN Home Life Holidays & Observances Pi Day. Animation illustrating the concept of pi. Happy Pi Day! No, not National Pie Day. That's January 23. On this day, geeks go wild at the mere thought of celebrating pi  the ratio of a circles circumference to its diameter.
â¢ Surname is the family name or the last name of a person, whereas first name is the unique name given to a person at birth, also referred to as his Christian name.â¢ First name is the distinguishing feature of a person in his family, though his friends may lovingly refer to him with his surnames.urname. A surname is the fixed name or last name or family name that is common in the names of all family members, and is shared by all. This is very old, and no one in the family really knows about the origin of this name.
Your mothers surname before she married the first time. Maiden means first, like a ship on a maiden voyage, the first journey. My mothers maiden name would be the last name of my mother before she got married. Yours would be your mothers last name before she got married.