Analysis of information sources in references of the Wikipedia article "반시 (요정)" in Korean language version.
[Its occurrence] is most strongly associated with the old family or ancestral home and land, even when a family member dies abroad. The cry, linked predominantly to impending death, is said to be experienced by family members, and especially by the local community, rather than the dying person. Death is considered inevitable once the cry is acknowledged.
Most manifestations of the banshee are said to occur in Ireland, usually near the home of the dying person... but some accounts refer to the announcement in Ireland of the deaths of Irish people overseas... It is those concerned with a death, at family and community levels, who usually hear the banshee, rather than the dying person.