This page lists all peers who held extant titles between the years 1590 and 1599.
Peerage of England
Peerage of Scotland
Peerage of Ireland
References
Cokayne, George Edward, ed. (1887). Complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct or dormant. Vol. 1–8 (1st ed.). London: George Bell & Sons.
Cracroft-Brennan, Patrick. "Cracroft's Peerage" (web). Heraldic Media Limited. Retrieved 8 July 2013.