She married and moved with her husband to Iowa City, then on the American Frontier, only to return to Waterville after his death a few years later.

She studied in New York with James Renwick Brevoort and in Paris with Harry Thompson and Émile Louis Vernier.

[2] Her artwork betrays a Barbizon-influenced preoccupation with the way that natural light is affected by time of day and weather conditions.

[3] After ten years spent abroad, Coman returned to New York and focused on painting American landscapes in the tonalist style.

[3] She painted quiet, atmospheric landscapes with high horizon lines, often dominated by one muted color and using a heavy impasto.