Jo

What does Jo mean?

Jo is a short form with more than one name-family history. Through Joan, Joanna, or Johannes, it carries the Hebrew meaning “God is gracious.” Through Josephine or Josef, it belongs to the Joseph family, meaning “he will add.” Its two letters can therefore represent different longer names.

In English, Jo is familiar for women as a form of Joan, Joanna, or Josephine, although it is also used for men. In German, Dutch, and Norwegian, it is primarily masculine, commonly connected with Johannes or Josef. The same compact spelling has established uses across several languages.

Jo March in Little Women

Louisa May Alcott made Jo March one of the central characters of Little Women, first published in 1868. Jo is short for Josephine. She is one of four sisters, alongside Meg, Beth, and Amy, and her enthusiasm for writing helps drive the family story.

Jo writes plays and stories, imagines a life beyond the expectations around her, and often acts with more energy than patience. Her ambition is woven into ordinary family life, including the sisters' performances, arguments, and efforts to help one another.

The character also carries some of Alcott's own experiences into fiction. Her developing work as a writer gives the short name a lasting association with literary independence and creativity. Her stories and dramatic performances make writing an activity shared with her sisters as well as a personal ambition.

Jo Nesbø and crime fiction

Norwegian writer Jo Nesbø gives the name a prominent masculine literary association. His Harry Hole novels follow a detective working through difficult investigations in Norway. The Snowman is one of the series' internationally familiar titles, with an English-language edition appearing in 2011.

The book sends Inspector Harry Hole after a serial killer, placing the name Jo on the cover of a very different kind of story from Alcott's family novel. Nesbø's other books include Headhunters, The Son, and Macbeth, extending his work beyond the Harry Hole series.

The surname is often printed Nesbo in English publishing material, while the first name remains Jo. His professional name makes the spelling's Norwegian masculine use particularly visible to English-speaking readers.

Pronunciation and related forms

English Jo is pronounced JOH, with one syllable, like Joe. Dutch Jo begins with a y sound, closer to YOH. Joan, Joanna, Josephine, Johannes, and Josef are possible longer forms, while Joe is a related English spelling used especially for men.

Jo in the United States

Jo reached its best American girls' rank of No. 51 in 1947. Its highest annual count followed in 1954, with 8,052 babies. In 2025 it ranked No. 4,027. Its largest American female newborn generation dates to the middle of the twentieth century.

How popular is Jo?

In 2025, Jo ranked #4,027 among girls in the United States, with 36 recorded uses. The U.S. birth records first list this spelling for girls in 1881; its largest annual count was 8,052 in 1954. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.