The Surname Law of the Republic of Turkey was adopted on June 21, 1934. The law required all citizens of Turkey to adopt the use of surname

Surname

A surname is a name added to a given name and is part of a personal name. In many cases, a surname is a family name. Many dictionaries define "surname" as a synonym of "family name"...

s. Turkey's Christian

Christian

A Christian is a person who adheres to Christianity, an Abrahamic, monotheistic religion based on the life and teachings of Jesus of Nazareth as recorded in the Canonical gospels and the letters of the New Testament...

 and Jewish citizens were already using surnames, but Muslims generally did not use Western-style surnames. The Surname Law of 1934 aimed to change this.

Muslims in the Ottoman Empire carried title

Title

A title is a prefix or suffix added to someone's name to signify either veneration, an official position or a professional or academic qualification. In some languages, titles may even be inserted between a first and last name...

s such as "Pasha

Pasha

Pasha or pascha, formerly bashaw, was a high rank in the Ottoman Empire political system, typically granted to governors, generals and dignitaries. As an honorary title, Pasha, in one of its various ranks, is equivalent to the British title of Lord, and was also one of the highest titles in...

", "Hoca", "Bey

Bey

Bey is a title for chieftain, traditionally applied to the leaders of small tribal groups. Accoding to some sources, the word "Bey" is of Turkish language In historical accounts, many Turkish, other Turkic and Persian leaders are titled Bey, Beg, Bek, Bay, Baig or Beigh. They are all the same word...

", "Hanım", "Efendi", etc. These titles either defined their formal profession (such as Pasha, Hoca, etc.) or their informal status within the society (such as Bey, Hanım, Efendi, etc.). Ottoman prime minister

Prime minister

A prime minister is the most senior minister of cabinet in the executive branch of government in a parliamentary system. In many systems, the prime minister selects and may dismiss other members of the cabinet, and allocates posts to members within the government. In most systems, the prime...

s (Sadrazam/Vezir-î Azam or Grand Vizier

Grand Vizier

Grand Vizier, in Turkish Vezir-i Azam or Sadr-ı Azam , deriving from the Arabic word vizier , was the greatest minister of the Sultan, with absolute power of attorney and, in principle, dismissable only by the Sultan himself...

), ministers (Nazır/Vezir or Vizier

Vizier

A vizier or in Arabic script ; ; sometimes spelled vazir, vizir, vasir, wazir, vesir, or vezir) is a high-ranking political advisor or minister in a Muslim government....

) and other high-ranking civil servants also carried the title Pasha. Retired generals/admirals or high-ranking civil servants continued to carry this title in civilian life. A "Pasha" did not become a "Bey" after retiring from active military or political service.