Ruthie is a familiar form (English) of the English, German, and Scandinavian Ruth.
Ruthie is also a familiar form of the English Ruthann.
Ruthie is rare as a baby girl name. At the modest peak of its usage in 1935, 0.036% of baby girls were named Ruthie. It was #312 in rank then. The baby name has suffered a marked decline in frequency since then, and is currently of only sporadic use. Out of the family of girl names directly related to Ruthie, Ruth was the most regularly used in 2018.
† Pronunciation for Ruthie: R as in "race (R.EY.S)" ; UW as in "two (T.UW)" ; TH as in "theme (TH.IY.M)" ; IY as in "eat (IY.T)"