First Name
in the U.S.
since 1880
Last Name
in the U.S.
in 2010
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Meaning and Origin

What does the name Os mean? Find out below.

Origin and Meaning of Os

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Webster's Unabridged Dictionary
noun ‖Os
A bone.

Etymology: L

noun ‖Os
A mouth; an opening; an entrance.

Etymology: L

noun Os
One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See Eschar.

Etymology: Sw. ås ridge, chain of hills, pl. åsar

noun Os
The chemical symbol for the element osmium.
Other Dictionary Sources
  1. Rigid connective tissue that makes up the skeleton of vertebrates
  2. A mouth or mouthlike opening
  3. The left eye
  4. (computer science) software that controls the execution of computer programs and may provide various services
  5. A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

From neuter Latin word os (“bone”) (genitive: ossis).

From neuter Latin word os (“mouth”) (genitive: oris).

  1. (rare) A mouth; an opening.
  2. In particular, either end of the cervix, internal (to the uterus) or external (to the vagina).

Borrowing from Swedish ås.

  1. An osar or esker.

o +‎ -s.

  1. (rare) plural of o. More commonly oes or o's.
  1. (rare, medicine) Bone.

os was also found in the following language(s): Aragonese, Aromanian, Catalan, Danish, Daur, Dutch, Fala, French, Galician, Irish, Istro-Romanian, Latin, Middle French, Middle Low German, Old English, Old French, Old Saxon, Polish, Portuguese, Romanian, Scottish Gaelic, Serbo-Croatian, Slovak, Slovene, Spanish, Swedish, Volapük, and Welsh

Notable Persons Named Os

Os was born on September 30th, 1941.


Os du Randt is a rugby player.


Os was born on October 18th, 1905 in Whiteside County, Illinois. Os is also known as Doenges and H. Oswald. He passed away in 1987.


Notable Persons With the Last Name Os

Jan van Os was a in the field of painting. Jan was born on February 23rd, 1744 in Middelharnis, Netherlands. He left this life on February 7th, 1808.


Alexander was born on January 21st, 1980 in Fauske.


Georgius was born on November 20th, 1782 in The Hague. He passed away on July 11th, 1861.


Pieter van Os was a in the field of painting. Pieter was born on October 8th, 1776 in The Hague. Pieter is also known as Os and Pieter Gerardus van. He left this life on March 28th, 1839.


Maria was born in 1779 in The Hague. Maria is also known as M.M. van Os. She died in 1862.


Arie van Os is a businessperson and businessman. Arie was born in 1937 in Amsterdam.


Ethnicity Distribution

Ethnicity Os U.S.
  White 61.54% 64.26%
  African American 7.69% 11.96%
  Asian, Hawaiian, and Pacific Islander 7.69% 4.85%
  American Indian and Alaska Native 0.00% 0.69%
  Two or More Ethnicities 0.00% 1.76%
  Hispanic or Latino 21.15% 16.26%

Of Last Name Os

People with the last name Os are most frequently White or Hispanic or Latino

Entire United States

Fun Facts about the name Os

  • How Popular is the name Os? As a last name Os was the 156,044th most popular name in 2010.
  • When was the first name Os first recorded in the United States? The oldest recorded birth by the Social Security Administration for the name Os is Monday, September 11th, 1882.
  • How unique is the name Os? From 1880 to 2017 less than 5 people per year have been born with the first name Os. Hoorah! You are a unique individual.
  • Weird things about the name Os: Your name in reverse order is So. A random rearrangement of the letters in your name (anagram) will give Os. How do you pronounce that?
  • How many people have the last name Os? In 2010, the U.S. Census Bureau surveyed 104 people with the last name Os.
  • How likely are you to meet someone with the last name of Os? Os is one of the most unique last names recorded.

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  • Sources:
  • U.S. Census Bureau: Frequently Occurring Surnames from the Census 2000 (public domain).
  • 1913 Webster's Revised Unabridged Dictionary via the Collaborative International Dictionary of English (License)
  • Other Dictionary Sources: WordNet 3.1 Copyright 2006 by Princeton University (License).
  • Wiktionary: Titles and License.
  • Notable persons via Wikipedia: Titles and License. Click each image for the attribution information.