
In 1896 when he was 22 years old, Mora traveled to Europe with his mother, his third trip to Europe.

His formal art education was complete in 1893, when he was just 19 years old. By 1892, he was also receiving commissions for illustrations in popular magazines of the era. In 1892, Mora went on to complete his education at the Art Students League of New York, studying with Henry Siddons Mowbray. At the age of fifteen Mora enrolled in the School of the Museum of Fine Arts, Boston, where he studied under the American Impressionists Edmund Charles Tarbell and Frank Weston Benson. He was a precocious young artist, drawing historical scenes and scenes of his contemporary environs. While he was a child, Mora's father oversaw his early education in the arts, and young Luis produced hundreds of drawings and watercolors.

During the Economic Crash of 1893, they all went back to Perth Amboy, New Jersey, which remained Mora's home base all of his life. Mora graduated from Allston High School, and stated in a later interview that he remembered the school fondly. The family would later relocate to Allston, Massachusetts (near Boston), where Domingo Mora had sculpture commissions. White Terra Cotta Company, which was renamed The Perth Amboy Terra Cotta Company. In 1880, they arrived in New York City, and quickly relocated to Perth Amboy, New Jersey, where Domingo Mora accepted a position with the A.H. The Moras left Uruguay during an insurgency in 1877, when they went to Catalonia. He had a younger brother, Joseph Jacinto "Jo" Mora, who would go on to become a noted sculptor, photographer and author in California.

Mora was close to the Bacardi family all of his life. Laura Gaillard Mora had two sisters, Ernestina and Gabriella, who married into the Bacardi family, famous for its rum. Luis Mora was born in Montevideo, Uruguay, to Domingo Mora, a noted sculptor from Catalonia, and Laura Gaillard, a cultured French woman originally from the Bordeaux region of France. He is known for his paintings and drawings depicting American life in the early 20th century Spanish life and society historical and allegorical subjects with murals, easel painting and illustrations. He produced drawings in pen and ink, and graphite and etchings and monotypes. Mora worked in watercolor, oils and tempera. Francis Luis Mora was a Uruguayan-born American figural painter.
