Babcock
A pet-form surname that likely means “son of Bob” or “son of Robert,” though early writers also linked it to Bartholomew.
The #1,638 most common surname in the United States (2010 Census) — about 1 in every 14,024 Americans shares it.
Etymology
This surname is usually explained as a diminutive patronymic: the first element is the pet name Bab or Bob, and the second element -cock is an old English diminutive or familiar suffix. In that sense, Babcock would mean something like “little Bob” or “son of Bob,” with Bob itself standing for Robert. Some 19th-century writers also suggested a connection with Bartholomew, but the Robert explanation is the more straightforward and widely accepted one.
History
The name is English in formation and fits a broader medieval pattern of surnames built from nicknames plus a familiar suffix. It later established itself in Britain and, especially, North America, where it is now best known. The surname has been borne by a number of notable Americans, which helped keep it visible in modern use.
Origin
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Fun fact
The ending -cock appears in several old English surnames, often as a friendly or diminutive element rather than a literal reference to a rooster.
From the historical record
“death, and fear, a man. BABCOCK. Little Bab, or Bartholomew; from Bab, a nick- name for Bartholomew, and cock, small, little, a son; tie, cock, el, and et are diminutives, and include the ideas of kind- 60 ETYMOLOGICAL DICTIONARY and tenderness, associated with smallness of SL le. It maybe from Sob, the nickname…”
— An Etymological Dictionary of Family and Christian Names