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Surname Rhydderch (Rhydderch
) , around the world, is a rare cognomen. The last name Rhydderch is characteristic of the United Kingdom, where it is a rare surname, Australia, and Canada, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in the United Kingdom, Australia, and the United States.
Mr, Polly, David, Donna, Gerry, Gemma, Lorna, James, Elwyn, Martin, Becky, Melody, Sheila, Angela, Pertye, Lauren, Jacque, Michael, Suzanne, Barbara, Rebecca, Samuel, Clare, Allie, Suzie, Ms, Sam, Dan, Tom, Ian, Sian, Alex, Alun, Ruth, Ryan, Dean, Dave, Gwyn, Jack, Josh, John, Nick, Elin, Sally, Sarah, Simon, Richard, and Grioghar