Family name Lerno (Lerno 
) , worldwide, is a rare last name. The cognomen Lerno is habitual in Belgium, where it is quite a rare surname, France, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Belgium, France, and the United States. Much less frequently, Lerno is the forename as well as the last name.
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| Lerno | Australia, Belgium, Canada, United States, France |
| franz xaver lerno German judge (1849-1920), DE (b. 1849) |
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liévin lerno Olympic cyclist, BE (b. 1927) |
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| patrick lerno cyclist, BE (b. 1956) |
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| larry a lerno researcher |
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| amaat lerno BE |
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| amaat lerno BE |
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Mr, Emma, Inge, Monte, Megan, Simon, Senne, Sofie, Alida, Alain, Emil, Chris, Betty, Brian, Brent, Kevin, Peter, Debra, David, Drake, Dylan, Carol, Nick, Tina, Jill, Ms, Al, Max, Wim, Marc, Mark, Maci, Maud, Anja, Bert, Bobi, Brad, Paul, Romy, Ruth, Dirk, Gary, Gert, Lisa, John, Jean, Garry, and Larry