Cognomen Thairu (Thairu 
) , around the globe, is quite a common family name. The surname Thairu is habitual in Kenya, where it is quite a common surname, Saudi Arabia, where it is a rare surname, and Tanzania, where it is a very rare surname. In absolute terms, it is the most numerous in Kenya, Nigeria, and the United States. Very seldom, Thairu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thairu | Kenya, Nigeria, United States, Tanzania, India |
| francis thairu Kenyan footballer (b. 1979) |
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| margaret thairu researcher |
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| amos thairu researcher |
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Mr, Cindy, Betty, Bryan, Kanyi, Kevin, Kungu, Peris, Peter, Denis, David, Grace, Lenny, Linet, Libby, Janet, James, Joyce, Julia, Toddy, Terry, Nancy, Chris, Agnes, Anita, Susan, Ms, Ann, Ben, Ken, Dan, Joy, Tom, Mary, Mech, Alex, Ngugi, Amos, Lucy, Jane, John, Jean, Eric, Onan, Moses, Mercy, Sansa, Simon, Paul, and Ngayu