Family name 博伊德 (Boyd 
, 博伊德) , all over the world, is a widespread cognomen. The cognomen 博伊德 is habitual in Marshall Islands, where it is a common surname, the United States, where it is quite a common surname, and New Zealand (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, 博伊德 is the forename as well as the last name.