Katherine Elizabeth Sully
Biographical Information
Race: Caucasian
Status: Alive
Origin: Colorado Springs
Parents: Michaela Quinn (Mother)

Byron Sully (Father)

Family: Matthew Cooper (Adopted)

Colleen Cooper (Adopted)

Brian Cooper  (Adopted)
Production Details
First Appearance: When a Child Is Born, Part 2
Actor: Alexandra Calabrese
McKenzie Calabrese
Megan Calabrese
(seasons 5-6)
Kaile Zaretsky
Sara McRae
(The Heart Within)

Katherine Elizabeth "Katie" Sully is the daughter of Dr. Michaela Quinn and Byron Sully and the adoptive sister of Matthew, Colleen and Brian Cooper.

Family TreeEdit

Theodore Quinn
Josef Quinn
Elizabeth Quinn
Carlton Quinn †
Marjorie Quinn
Rebecca Dickinson
Maureen Quinn
Claudette Quinn
Dr. Michaela Quinn
Byron Sully
Katie Sully

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