A surname is a family name that tells the origin of a person from which family they come from. The custom of using a surname is common in many countries and cultures, each of which may have unique characteristics that vary from culture to culture. Now, Thai law requires married women to change their husband's surname, but the Constitutional Court now rules that women have the right to choose their last name. The stay of the husband, which is considered to be the right to women in accordance with the Constitution. 2540 Section 30 stated that there is no surname, there will only be a first name in the reign of King Rama VI, so please have the surname be set like other countries by enacting the Surname Parallel Act, effective from the 1st and then bestowed Surnames given to many families called the royal surname number 6432 surnames, and many families gave their surnames after the name of the leader of that family or according to where the family lived. The first surname of Thailand was Sukhum.
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