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.
A family name (in Western contexts often referred to as a surname or last name) is typically a part of a person's personal name which, according to law or custom, is passed or given to children from one or both of their parents' family names.he convention is to write the first name followed by middle names and surname. It is common to use the father's first name as the middle name or last name even though it is not universal. In some Indian states like Maharashtra, official documents list the family name first, followed by a comma and the given names.