[1] Peralta Lagos was born on 25 July 1873 in Santa Tecla, El Salvador.

He spearheaded the construction of the Teatro Nacional de El Salvador in the early 20th century,[2] along with the engineer José Emilio Alcaine.

He was a diplomatic representative of El Salvador in Spain and Minister of National Defense and Navy under president Manuel Enrique Araujo (1911–1913).

[3][4] He also served as a member of the Academia Salvadoreña de la Lengua.

Peralta Lagos's writing is costumbrista, is humorous, and is sometimes ironic.