foil, quatrefoil:2

Argent, a bend sinister azure between two four-leaved shamrocks vert. Rory O'Rourke (10/1987 Anst)

Argent, a bend sinister wavy vert between two quatrefoils purpure. Tigernach an Chalaidh (3/2010 AnTi)

Argent, a chevron rompu azure between two four-leaved clovers slipped and a crab gules. Erin Keturah de Beuington (12/2009 Caid)

Argent, a fess fusilly sable and in chief two quatrefoils saltirewise vert. Fjorleif in heppna (4/2008 Caid)

Argent, on a bend between two quatrefoils, barbed and seeded, sable, a double-bitted axe argent, all within a bordure sable. Constantine Nikephorus Akrites (1/1989 Atla)

Azure, a chevron Or between two quatrefoils argent and a lion dormant Or. Godric Linch (12/2010 Atla)

Azure, ermined, two flaunches Or, each charged with a quatrefoil azure. Susan Odell (11/1986 Midd)

Azure, in bend four horseshoes between two four-leaf shamrocks slipped, a bordure Or. Katerina de la Marne (6/2001 AEth)

Gules, a bend sinister wavy argent between two quatrefoils Or. Eórann Maguire (10/2000 Trim)

Or, a turtle and in chief two four-leaved clovers vert, a ford proper. Padraig mac Domhnaill (1/2008 Calo)

Or, two staves in saltire between in fess two four-leaved clovers, slips to center vert, on a chief indented azure two palmer's scrips Or. Seán ua Néill the Staffmaker (10/2007 Outl)

Per bend sinister gules and argent, a bend sinister sable between two quatrefoils counterchanged. Veronica da Asola (4/2005 Aten)

Purpure, on a bend between two quatrefoils argent three crescents palewise sable. Elizabeth de Summerlege (1/2009 AnTi)

Quarterly vert and argent, in bend sinister two four-leaf shamrocks palewise vert. Wielhelm of the Bogs (12/1981 Aten)

Vert, two scarpes argent between two quatrefoils Or. Kathryne Elizabeth Gordon (8/2011 Drac)