[1] His brother was Jose Francisco de la Ossa, the mayor of Panama City.
He represented at the Chilean consulate in Panama and worked for the French Canal Company.
His work is scattered in the various weekly newspapers and magazines of the time, however his best verses were composed when he was a student.
The importance of this poet is primarily in being the author of the lyrics of the National Anthem of Panama, where a pronounced patriotic accent is denoted.
Today, Jerónimo Ossa is considered one of the great poets of the 20th century.