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I am trying to find information on a Francis Davidson also known as Francis Denton and  Francis Kearsley ,she is shown on my half brothers and sisters birth certificates as Francis Kearsley married to my father William Kearsley,but her maiden name is different on birth certificates either Davidson or Denton.Her birthplace is listed as Cumberland UK There is no record that she and my father ever wed anywhere .The date line of the births are 1920 til approx 1930 all in Western Australia Can anyone shed some light on this mystery