How did Celtic Christian crosses in Ireland differ from Anglo-Saxon crosses in England?

In the context of Western sculpture, both Irish Celtic Christian crosses and Anglo-Saxon crosses in England represent early monumental stone traditions rooted in the Christian church. While they share similarities in their use of abstracted decoration, their stylistic origins and execution differ.12

• Celtic Crosses: These monuments are characterized by a surface packed with round, knoblike projections that create a distinct plastic effect rather than a flat, glyphic one. They are deeply connected to an ancient Irish decorative tradition featuring curvilinear forms, such as scrolls, spirals, and "trumpet" motifs.13
• Anglo-Saxon Crosses: These works often reflect the Hiberno-Saxon style, which integrated Irish curvilinear motifs with the Saxon tradition of elaborate zoomorphic interlace. Notable examples, such as the Bewcastle Cross and the Ruthwell Cross, feature sophisticated narrative carvings—including Gospel scenes, vines, and animals—alongside runic inscriptions.345

Ultimately, while both traditions utilized complex ornamentation, the Anglo-Saxon crosses are frequently distinguished by their integration of zoomorphic patterns and specific runic inscriptions, whereas the Irish tradition is noted for its unique, plastic-like surface projections.135