Family name Decair (Decair 
) , across the world, is a rare last name. The cognomen Decair is characteristic of Northern America, particularly the United States, where it is a very rare surname, and Canada, where it is an extremely rare surname.
Mae, Colin, Brian, Brett, Karen, Peggy, Debra, Darla, David, Diane, Carma, Dolly, Larry, Lilli, Janet, Jamol, Nancy, Martha, Monica, Sheryn, Sheila, Laura, Anita, Scott, Sarah, Ava, Kay, Jay, Tom, Tim, Mary, Mike, Sara, Sean, Bill, Kara, Rick, Dana, Dave, Lynn, Jack, John, Jean, Eric, Maria, Megan, Andrea, and Ashley