Last Name :
OsakuLast Name in Japanese Kanji(Hiragana) :
大作(おおさく)
Meaning :
大 meaning large, big./ 作 meaning make, production, prepare, build.
Estimated Population in Japan :
1,800
Population Rank :
5665 out of 10,000 entries
Other Readings of Osaku(大作)：
Ozaku, Daisaku, Taisaku, Ohagi, Otsukuri
Top 5 populations of Osaku(大作) by prefecture：
1 : Chiba
2 : Saitama
3 : Tokyo
4 : Ibaraki
5 : Hokkaido
Origin :
Japanese
How to Find The Origin of Japanese Last Name
To check its roots, you can use the website, "myoji-yurai.net".
Using this site, you can check the roots of Japanese last name made after A.D.600.
It depends on last names, but you can see some last names comes from China, Korea, Taiwan and so on. To check its roots, you need to copy the last name's Kanji.
It is used by searching on the website. Also, this website is in Japanese language at all. When you use it, you need to translate by yourself.
You can check its process here>>
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