My contributions to Wikipedia reflect my passing interests: the Dr Tom Dooley Fund and Tom Dooley (humanitarian), Knocklyon, Adele King, the SFX City Theatre, Dublin, the playwright John B. Keane, John Keane (Irish politician and banker), Censorship in the Republic of Ireland, Irish censorship law, John Alder (British musician), Twink (home perm), Blackjack, Sic bo, Millimetre, Centimetre, Thou (unit of length), Inch, Mile, Pound (mass), pound-force, the Chatham House Rule.
I sometimes test material in my User:Fibula/Sandbox.