Origin of the name Serangoon:

While inconclusive, the most popular view of the origin of the name Serangoon  is that it was name after a small marsh bird, which in Malay was called burong ranggong. This bird was common in the swamps in the area. In early maps of Singapore, the area was called Serranggong. Se being short for satu or “one” in Malay and ranggong the name of the bird.