The diocesan arms consists of a shield divided across the middle – the upper portion blue and the lower silver (white). Across the middle of the shield is a “fess” charged with the Steuben Arms – half silver and blue with a red diagonal band.
In the upper blue portion of the shield is a heart above a crescent both tinctured silver (white) with a red rose displayed on the heart. These symbols honor the Blessed Virgin under the title of Immaculate Heart of Mary, the patroness of the Diocese of Steubenville.
In the lower silver (white) portion of the shield is a red roundel (termed in heraldry "a torteaux") charged with a gold (yellow) celestial crown, the rim of the circlet inscribed with the letters IHS. This honors the dedication of the Cathedral to the Holy Name of Jesus. Three red tongues of fire surround the red roundel and are symbols of the Church’s Pentecostal mission based on St. Luke’s Gospel, 12:49, “I have come to light a fire on the earth. How I wish the blaze were ignited!” (New American Bible).