Descendant of a large and noble Corfiot family, son of the jurist and scholar George Markoras, an official of the Ionian state and its union with Greece in 1864. Sen. Markoras studied at the Ionian Academy, with Andreas Kalvos as his teacher. In 1849 he went to Italy to study law and Italian literature. Three years later he returned to Corfu and received his law degree. However, he does not pursue law but, fascinated by poetry, he participates in the literary circles of the island that gathered the finest minds of the time, with Dion. Solomos. In 1854 he marries Ekaterini Doussmani but loses her prematurely and this affects him psychologically and alienates him socially.

He devotes himself to his art, following the example of Solomos. A demoticist and a pure patriot, he fights for the union of the Ionian Islands with Greece. In 1857 he publishes the Ode, which he dedicates as an obituary to Solomos’ death. He continues his literary work with metrical poems and satirizes politics through his poetry. Inspired by the Cretan Revolution of 1866 and the holocaust of Arkadi, he published The Oath in 1875, a huge epic work of 1624 iambic fifteen-syllable verses. Markoras established himself as a distinguished poet as a continuator of the Ionian school of Solomos and Kalvos. In his last poems of the period 1890-1900 a shift in style and style is evident, but this is not completed due to his age.