foil, trefoil:4

Argent, a quill pen and a trumpet in saltire sable between four trefoils in cross and a bordure nebuly vert. Ailionora inghean Ronain (5/2007 East)

Azure on a fess invected Or four shamrocks vert. Anne of Ayr (6/1991 Anst)

Or, a harp proper between four trefoils in cross vert. Coletta Briant (4/2002 AEth)

Or, on a chevron purpure between three shamrocks vert four shamrocks Or, a bordure engrailed vert. Síle of Limerick (6/2000 Meri)

Or, on a fess nebuly vert between four hurts, three and one, each charged with a trefoil argent, a griffin segreant Or. Brusi Anderson of the Shetlands (3/1986 West)

Per bend gules and sable, on a bend between a crescent and a natural seahorse bendwise Or, three trefoils vert. Arven Atwater (12/1992 Trim)

Per bend vert and Or, on a bend gules between a sun Or and three roses proper four shamrocks bendwise sinister Or. Anna Greenkeep of Emporiae (4/1992 Caid)

Per chevron abased Or and vert, in chief two swords in saltire between three trefoils sable and in base a trefoil Or. Wolf O'Brian (2/1985 Meri)

Per saltire Or and sable, a pomegranate gules slipped and leaved vert between four trefoils counterchanged. Étaín du Pommier (3/2003 West)

Per saltire purpure and azure, an anchor and on a chief argent four shamrocks vert. Dante McGavin (2/2005 Aten)

Purpure, on a fess between in chief three trefoils and in base a trefoil argent two trefoils purpure. Phillip Sprague (3/2012 Caid)

Quarterly vert and Or, a Celtic cross between four shamrocks counterchanged. Javanne MacIver of Lost Keep (2/1986 Caid)

Sable, on a bend between two fleurs-de-lys argent, four shamrocks palewise vert. James Kincaid (2/1992 Trim)

Vert, on a Maltese cross argent four shamrocks stems to center vert. Ruppert Kuster (4/2010 Meri)

Vert, on a saltire engrailed argent between four shamrocks Or, two arrows inverted in saltire gules. Rolf Sampson (10/1992 Midd)