Katharine Drexel was her birth name.
The Patron Saints Index shows no symbols for Katharine Drexel.
March 3 is Katharine's feast day.
Since you spelled the name Katharine rather than Katherine, you must be referring to St. Katharine Drexel. I can find no symbols or representations of her.
Some were St. Katharine Drexel and St. Angela Merici
March 3 is her memorial.
St. Mark the Evangelist School was founded in 1912 by Saint Katharine Drexel as the first Catholic School in New York City for African-American students.
St. Katharine Drexel was:Born: November 26, 1858, at Philadelphia, PennsylvaniaDied: March 3, 1955, of natural causes at the motherhouse of the Sisters of the Blessed Sacrament, Bensalem, Pennsylvania
Katharine Drexel was born on November 26, 1858.
Katharine Drexel was born on November 26, 1858.
The father of Katharine Drexel, Francis Anthony Drexel, was the founder of Drexel University.
Katharine Drexel died on March 3, 1955. of natural causes at the motherhouse of the Sisters of the Blessed Sacrament, Bensalem, Pennsylvania, USA.