First Name
in the U.S.
since 1880
Last Name
in the U.S.
in 2010
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How to Pronounce Kosai

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Meaning and Origin

What does the name Kosai mean? Find out below.

Origin and Meaning of Kosai

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Alt. Meaning

K is for knowledge, an avid learner

O is for optimistic, look at the bright side!

S is for serious, not always joking.

A is for altruism, the unselfish you.

I is for impress, for impress you will.

Notable Persons With the Last Name Kosai

Uchida Kōsai was a (Acting) and Prime Minister of Japan. Uchida was born on November 17th, 1865 in Yatsushiro, Tokugawa. They left this life on March 12th, 1936.


Noriko was born on November 28th, 1955.


Yusuke Kosai is an athlete. Yusuke was born on April 30th, 1983 in Matsubara, Osaka.


Where is the name Kosai popular?

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Popularity of Kosai as a last name

The map shows the absolute popularity of the name Kosai as a last name in each of the states. See other popular names in Washington, , or Michigan.

Fun Facts about the name Kosai

  • When was the first name Kosai first recorded in the United States? The oldest recorded birth by the Social Security Administration for the name Kosai is Monday, October 30th, 1978.
  • How unique is the name Kosai? From 1880 to 2017 less than 5 people per year have been born with the first name Kosai. Hoorah! You are a unique individual.
  • Weird things about the name Kosai: Your name in reverse order is Iasok. A random rearrangement of the letters in your name (anagram) will give Ioksa. How do you pronounce that?

What Kosais Have Visited This Page?

Past life for Kosai born Jun 29, 1979

I do not know how you feel about it, but you were a female in your last earthly incarnation. You were born somewhere around the territory of Oceania approximately on 1325. Your profession was jeweler and watch-maker.

You were always involved with all new things. You have always loved changes, especially in art, music, cooking. Your lesson - to learn discretion and reason and then teach others to do that. Your life will be happier, when you help those who lack reasoning.

Name poster for Kosai

Name poster for Kosai(click to save the high quality version)

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  • Sources:
  • U.S. Census Bureau: Frequently Occurring Surnames from the Census 2000 (public domain).
  • Notable persons via Wikipedia: Titles and License. Click each image for the attribution information.