Francisco Carrillo Morales was born at the town of San Juan de los Remedios, Santa Clara on October 4, 1851.

[2] Under Gómez's orders, Carrillo fought in Santa Cruz del Sur, the second combat of the Battle of Jimaguayú, La Sacra, Palo Seco and Las Guásimas, between 1873 and 1874.

He participated in the combats of Corojal, Hondones and Las Chacas, as well as in the attacks on Sancti Spíritus and Remedios.

[2] Between 1880 and 1892, he lived in the United States, where he cooperated with the other Cuban independence fighters, including José Martí.

[2] On January 29, 1895, José Martí signed the order in New York City for General Carrillo to rise up in his region of origin.

4 The Cuban War of Independence began on February 24, 1895, but General Carrillo could not rise up as agreed, as he was arrested by the Spanish authorities.

In October 1896, he participated in the Battle of Paso de las Damas, in November 1896 where Major General Serafín Sánchez died and Carrillo himself was wounded in the face.

On April 29, 1898, General-in-Chief Máximo Gómez sent him to Key West to coordinate with the American high command the entry of the United States into the war.