The Last Supper was eaten by Jesus and the disciples in Jerusalem. After he entered the city on what we now call Palm Sunday, he came in and out of town for the next few days until gathering the disciples for this final meal before his crucifixion. Someone told me that every day in the Christian calendar has a different saint.
Many churches maintain extensive calendars and hagiographies, or writings about the saints.
St. Tassach, d. 495, one of the first disciples of St. Patrick, was a gifted artisan, creating for St. Patrick croziers, patens, and chalices. He was later appointed the first bishop of Rahoip, Ireland, and gave Patrick the last rites. I found several others, including St. Ardalion, d. 300, a martyr who professed Christ while performing on stage. Tradition states that Ardalion was ridiculing a condemned Christian in a stage act. Before his astonished audience he announced he was a Christian.