Hilkka Rantaseppä-Helenius died in 1975.
Hilkka Toivola died in 2002.
Hilkka Ollikainen died on February 7, 2002, in Pori, Finland.
Hilkka Vanamo's birth name is Hilkka Suominen.
Hilkka Urpelainen's birth name is Hilkka Liisa Jokinen.
Hilkka Ollikainen's birth name is Hilkka Annikki Ollikainen.
Hilkka Kinnunen's birth name is Hilkka Terttu Annikki Kinnunen.
Hilkka Silanen was born in 1908, in Finland.
Hilkka Rantaseppä-Helenius was born in 1925.
Hilkka Riihivuori was born on 1952-12-24.
Hilkka Urpelainen was born on February 2, 1916, in Sortavala, Finland.
Hilkka Ahde was born on August 1, 1957, in Valkeakoski, Finland.
Hilkka Ollikainen was born on October 4, 1928, in Kajaani, Finland.