What is "whiteash"

Population (2000): 268
Housing Units (2000): 121
Land area (2000): 0.869821 sq. miles (2.252826 sq. km)
Water area (2000): 0.024104 sq. miles (0.062430 sq. km)
Total area (2000): 0.893925 sq. miles (2.315256 sq. km)
FIPS code: 81165
Located within: Illinois (IL), FIPS 17
Location: 37.788300 N, 88.926450 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: