Ruth "Ruthie" Camden (b. 1991) is a fictional character on the WB Television Network's most popular television series 7th Heaven, played by Mackenzie Rosman. She is originally from the fictional town of Glen Oak, California.
Ruthie is the 5th child of Eric and Annie Camden. When the show first started, she was five years old. Making her 16 in the series finale. She is known for knowing everything going on in the Camden house - she has always been quiet and sits on the stairs to gather information about each family member.