Aaron Albert Mossell II was born in Hamilton, Ontario in 1863, the youngest of six children. His father Aaron Albert Mossell I (born 1824), the grandson of slaves, became a brickmaker and in Hamilton went to school to learn to read and write.
University of Pennsylvania Law School.
His mother Eliza Bowers was a free woman from Baltimore whose family had been deported to Trinidad when she was a child. She returned later and met Mossell. By 1870 the family had returned to the United States and lived in Lockport, New New York
Aaron Mossell II graduated from Lincoln University.
He earned his law degree at the University of Pennsylvania Law School in 1888 as the first African American to graduate. Mossell practiced law with two African-American partners in offices in the Witherspoon Building.
He died on February 1, 1951 in Cardiff, Wales.
He was said to have defended some African-American men after the racial riots of 1917-1919 in Philadelphia.
