Sadie

I know traditionally this was a nickname for Sarah (back in the days where mothers gave their daughters their name and a nickname was needed to differentiate the two) but I read a story recently where Sadie was short for Isadora. Thought I would throw that out there, of course, it is fine as a stand alone name these days as well.

Popular name for golden retrievers.

Very unusually, Sadie is also a surname in Iran. Not sure how that originated.

In 2018, 3 is the most common age for an American (U.S.) Sadie* who is registered female with the Social Security Administration. It is the 778th most common female first name for living U.S. citizens.

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*as a first name, not a nickname.

My little 1-year old granddaughter is named Sarah, and I often call her by the pet name Sadie. To my ear, Sadie is more of a nickname than a given name, although I know it is becoming quite popular as a stand-alone given name. Back 150 years ago, girls had formal names and family "pet" names. A good example is Mary. A Mary was often called Molly by her family and close friends. Margaret was called Peggy. Sarah became Sadie or Sallie to her family. Rosamund became Rosie. Elizabeth became Betsy, Katherine became Katie, and so on. Sadie is a perfectly good name for both a child and an adult -- I simply prefer a more formal name for the given name. It's really just a matter of preference. I have a friend who named her daughter Katie -- just Katie, no other formal name. People are always asking Katie if her real name is Katherine or Kathleen. I would do the same with Sadie -- I'd ask if her real name is Sarah.

This name was popular from 1890 to 1900.