title: Jirnsum
text: # Jirnsum
  
  Jirnsum (Dutch: Irnsum) is a village in Leeuwarden municipality in the province of Friesland, the Netherlands. It had a population of around 1,360 in January 2017.
  
  ## History
  
  The village was first mentioned between 1399 and 1401 as Yrntzom, and means "settlement of the people of Irin". Jirnsum developed as a terp (artificial living mound) living along the Boorne [nl] river. Later, it became a road village. The Dutch Reformed church dates from 1877. The Mennonite church dates from 1684 and received its current form in 1866. In 1840, Jirnsum was home to 525 people. In 1868, the Grou-Jirnsum railway station opened.
  
  Before 2014, Jirnsum was part of Boarnsterhim municipality and before 1984 it belonged to Rauwerdhem.
  
  ## Notable people
  
  * Martijn Theodoor Houtsma (1851–1943), orientalist and professor.
  
  ## Gallery
  
  * Sluice at the Dille River
  * Cat statue
  * House in Jirnsum
  * Streets or Jirnsum (1968)
  