What does Iago mean?
Iago \i(a)-go\ as a boys' name is of Spanish, Welsh and Hebrew origin, and the meaning of Iago is "he who supplants". Variant of James. Santiago, the Spanish name for Saint James, was given to several geographical places in South America and the capital city of Chile. Literary: name of the villain in Shakespeare's "Othello".
Iago has 31 more related variations via James, Santiago: Diego, Diogo, Giacomo, Hamish, Jacob, Jacques▼, Jagu, Jaime, Jaimey, Jaimie, Jame, Jameson, Jamey▼, Jamie▼, Jamison, Jascha, Jayme, Jaymes, Jaymie, Jem, Jemmy, Jim▼, Jimbo, Jimmie▼, Jimmy, Sandiago, Sandiego, Santeago, Santiaco, Santigo and Seamus.
Iago is an unusual given name for men. Iago is an unusual surname too for all people. (2000 U.S. Census)
Jacob (#4 a year ago), James (#9), Santiago (#115), Diego (#129), Jameson (#159), Jamison (#440), Jaime (#468), Jimmy (#523), Jamie (#786), Seamus (#900), Jimmie, Jim, Jamey, Hamish, Jacques, Jame and Jayme are the prominent alternative forms of Iago (#unlisted). These boy names reached the apex of their popularity during the years 1970-1979 (usage of 0.4745%) and are somewhat less popular today (usage 0.3804%, down 19.8%), with the forms Jamie, Jacques, Jamey, Jim and Jimmie falling out of fashion. The most fashionable names for newborns among these are Jameson (#159), Jamison (#440), Santiago (#115), Jacob (#4) and Diego (#129), with Diego, Jacob and Santiago undergoing a rebound in usage. Displayed below is an analysis of the popularity of the boy name Iago and corresponding names. (Top 1000 Baby Names Records, 2014)