People : Nicola Duff to Renee Duff
Nicole Duff 7 people
Nola Duff 2 people
Norman Duff 5 people
Olive Duff 2 people
Omer Duff 2 people
Orville Duff 3 people
Oscar Duff 2 people
Pamela Duff 12 people
Pat Duff 4 people
Patricia Duff 33 people
Patrick Duff 24 people
Paul Duff 10 people
Paula Duff 3 people
Peggy Duff 6 people
Penny Duff 3 people
Peter Duff 16 people
Philip Duff 4 people
Polly Duff 2 people
Rachel Duff 3 people
Raeann Duff 2 people
Ralph Duff 4 people
Randy Duff 2 people
Raymond Duff 6 people
Rebecca Duff 12 people
Reginald Duff 2 people
Renee Duff 5 people