Who was Georgia O'Keeffe's younger sister who also became an artist?

Georgia O'Keeffe's younger sister who also became an artist was Ida O'Keeffe. Ida was born in 1889, two years after Georgia, and developed a serious career as a painter.

Ida O'Keeffe is known for modernist paintings that include repeated forms, architectural subjects, and strong geometric structures. Although she shared a family connection with Georgia, her work was not simply a copy of her sister's style.

The sisters are sometimes confused because both worked as professional artists and both were discussed in relation to modern American painting. Their careers, however, followed different paths, and Ida did not receive the same sustained public recognition as Georgia.

Ida's story also illustrates how the O'Keeffe family encouraged artistic education. Several siblings showed creative interests, but Ida is the sister most clearly identified in art history as a painter with an independent body of work.