Surgeons in the United Kingdom and Ireland are called Mr (or Miss, Mrs, Ms) instead of Dr because surgery was historically a separate trade from medicine. While physicians trained at universities and earned doctoral degrees, surgeons learned their craft through apprenticeships, much like blacksmiths or carpenters. They never held the title “Doctor” in the first place. Today, the tradition survives as a point of pride, a nod to that distinct surgical heritage.
How Surgery Became a Separate Trade
The split between physicians and surgeons traces back to medieval Europe. In 1215, the Fourth Lateran Council, a papal decree, forbade physicians from performing surgical procedures. Most physicians at the time were ordained clergy, and contact with blood or bodily fluids was considered contaminating to men of the church. Surgery was effectively handed off to a lower social class.
As a result, surgery was relegated to craft status. Training began at age 13 or 14, typically for sons of lower-class tradesmen, and consisted of a seven-to-nine-year apprenticeship. After completing it, a trainee received a limited license to practice surgery, with an explicit condition: he must not “exercise the art of medicine” or “style himself to be a physician.” Surgeons belonged to trade guilds alongside barbers, not to universities. Physicians, meanwhile, studied classical texts by ancient medical authors like Galen and held university degrees that entitled them to “Dr.”
This wasn’t just a bureaucratic distinction. It reflected a rigid class hierarchy. Physicians diagnosed illness and prescribed treatment. Surgeons did the physical, often bloody, manual work: amputations, wound care, tooth extractions. For centuries, the two professions operated in parallel but were not considered equals.
From Insult to Badge of Honor
Over the following centuries, surgery professionalized. Surgeons separated from barbers, established their own colleges, and developed rigorous training standards. By the time surgery achieved professional equality with medicine, the “Mr” title had become so deeply embedded in surgical identity that surgeons chose to keep it. What had once marked them as less educated than physicians became a deliberate statement of pride in their craft origins.
The tradition crystallized around membership in the Royal College of Surgeons. When a doctor passes the MRCS exam (Membership of the Royal College of Surgeons), they drop “Dr” and revert to “Mr,” “Miss,” “Mrs,” or “Ms.” For many young surgeons, this is one of the proudest milestones of their career. It signals that they’ve crossed from general medicine into the surgical profession. Interestingly, junior surgical trainees who haven’t yet passed this exam still go by “Dr,” and it has traditionally been considered bad form for a house surgeon to insist on “Mr” before earning that qualification.
What About Female Surgeons?
When women were allowed to become surgeons in the late 1800s, the convention extended to them. Female surgeons use Miss, Mrs, or Ms rather than Dr. The Royal College of Surgeons of England recognizes Ms as a neutral option for women who don’t want their marital status signaled by their professional title.
The title carries practical significance in the operating room. Female surgeons report that they are often assumed to be “Dr” (meaning a non-surgeon) by staff when scrubbed in alongside male colleagues, which can lead to being overlooked or undermined during a procedure. Stating their “M” title, whether Ms, Miss, or Mrs, serves as a way to clarify their role as the operating surgeon.
Where the Tradition Survives
This naming convention is not universal. Surgeons are always addressed as Mr (or the female equivalents) in the United Kingdom and the Republic of Ireland. The tradition sometimes appears in Australia and New Zealand, though not consistently. In Canada and the United States, it is rarely used. American and Canadian surgeons keep “Dr” throughout their careers regardless of specialty.
The geographic pattern reflects colonial and cultural ties to the British medical system. Countries whose medical training evolved from the Royal Colleges tend to retain the tradition, while those that developed independently, or moved away from the British model, generally don’t. Even within countries that use it, the convention applies only to surgeons and their registrars (senior trainees). Other specialists, no matter how procedurally focused their work, remain “Dr.”
The Degree Behind the Title
Part of what makes this confusing is that surgeons in the UK do hold medical degrees. The standard qualifying degrees in British-style medical schools are the MBBS or MBChB, both of which translate from Latin as “Bachelor of Medicine, Bachelor of Surgery.” These are considered equivalent to the American MD. Graduates of these programs are called “Dr” by convention, even though the degree is technically a bachelor’s, not a doctorate. Surgeons earn this same degree, practice as “Dr” during their early training, and then relinquish the title when they join the Royal College of Surgeons.
So the progression is counterintuitive: medical students become “Dr” upon graduating, then surgeons become “Mr” or “Ms” again once they’ve achieved a higher level of specialization. To an outsider, it looks like a demotion. To surgeons, it’s the opposite.