- Apr 9 Gyula Reviczky, Hungarian author and poet, born in Kuzmice, Topoľčany District, Slovakia (d. 1889)
- Apr 9 Joseph Hellmesberger Jr., Austrian composer, violinist, and conductor, born in Vienna, Austrian Empire (d. 1907)
- Apr 18 Abraham Bredius, Dutch art historian (Jan Steen), born in Amsterdam (d. 1946)
- Apr 18 Josef Gruber, Austrian organist and composer, born in Wösendorf in the Wachau (d. 1933)
- Apr 29 Anatoly Liadov, Russian composer (Bewitched Lake), born in St. Petersburg, Russia (d. 1914)
- Apr 29 Edmund van der Straeten, German composer, born in Düsseldorf, Germany (d. 1934)