John Ellerton's life and work were defined by a profound sense of duty to both the church and the community, a trait that became particularly evident during his twelve-year tenure at Crewe Green. Serving a congregation of steelworkers and farmers, he developed a writing style that was remarkably grounded, avoiding the overly florid or sentimental language common in Victorian verse. He believed that hymns should be instructive as well as devotional, leading him to craft lines that were terse, clear, and intellectually robust. This commitment to clarity ensured that his work was accessible to the laborers in his parish while remaining sophisticated enough to satisfy the most cultured literary critics of his day.

His mastery of the "occasional" hymn allowed him to address specific, and often difficult, human experiences that other hymn writers ignored. Whether he was writing for a city church's mid-day service, a time of pestilence, or even a year of bad harvests, Ellerton sought to find the divine presence within the immediate struggle. He had a unique ability to weave moral lessons into metaphors of nature, frequently finding spiritual resonance in the transitions of the day. His fascination with the "fading light" and the quietude of evening provided the church with some of its most peaceful and reflective prayers, as he often focused on the tranquility that follows a long day of toil.

Beyond his original compositions, Ellerton's scholarly influence was felt through his editorial work and his deep historical research. As a co-editor of the Church Hymns collection and the author of its comprehensive handbook, he helped shape the standards of Anglican worship. He was also a gifted translator, bridging the gap between ancient Latin traditions and contemporary English practice. By the end of his life, he was recognized not only as a faithful pastor but as a leading authority on hymnology, leaving a legacy of song that continues to provide the church with a dignified and thoughtful vocabulary for worship.