FC Sion from locals, and played their first competitive league fixture in 1914, again a 3–2 victory, against FC Monthey. In 1919, Sion formally organised its managerial structure, with Gilliard becoming vice-president and Charles Aymon taking the presidency. From 1932, Sion played in the fourth tier of Swiss football, where they spent much of the next 20 years, briefely interrupted by promotion to the third tier in 1944, quickly followed by relegation in 1946. In 1952, Sion returned to the third tier. Five years later, Sion gained promotion again to the National League B, followed five years later by promotion to the
Sion Mills of Finn") or "Sidheán" (also spelt "Síodhán" and "Sián", meaning "fairy mound"). The second part of the name is the English "mill". Sion Mills was laid out as a model linen village by the Herdman brothers, James, John and George. In 1835 they converted an old flour mill on the River Mourne into a flax spinning mill, and erected a bigger mill behind it in the 1850s. However, nearly everything in Sion Mills today was designed later, in the 1880s and 1890s, by James Herdman's son-in-law, the English architect William Frederick Unsworth. Sion House, a half timbered Elizabethan style mansion