Hi / Moi,
I have been researching the Leidenius family. John had 2 sisters and 9 children, so the family is quite large.
Samuel Leidenius (b. May 1861 in Finland. Death date unknown.)
Lydia Maria (Tarkka) Leidenius / Miettinen (b. Aug 1860 in Finland; died 1974 in Gloucester, Massachusetts, USA. She was married twice. Second marriage to John Miettinen (28 Jan 1870 - 18 Sep 1914).
John was born in Teuva, Lansi-Suomen Laani, Finland. Died at home at 5842 Osborne Bay Road, Crofton, British Columbia, Canada. Is buried in Mountain "View Cemetery, Duncan, BC, Canada.
John married Senja Alina Kangas in 1922 in Wetaskiwin, Alberta, Canada.
Sylvia (Leidenius) Tulokas (1922 - 2 Jun 2011)
Florence (Leidenius) Johnston (27 Apr 1928 - 5 Feb 2014)
Onni Edward Leidenius (10 Nov 1931 - 8 Dec 2009)
(Ty) Taisto William Leidenius (28 Jun 1934 - 3 Apr 2003)
Saidie (Leidenius) Foley
Lily (Leidenius) Basisky
Carl Sylvester Leidenius
Helen (Leidenius) Barr
William Wesley Leidenius
Tilda Maria (Leidenius) Pulkka born 28 Sep 1885 in Teuva, Finland; died 1 Nov 1974 in Massachusetts, USA.
Hulda (Leidenius) Ahti born 19 Jan 1890 in Teuva, Finland; died 29 Jan 1961 in Portland, Oregon, USA.
Of note is that the Leidenius surname is the Swedish form of Leikola.
Contact me privately for any further information. My Tree name on Ancestry is: Kojola Omelaniec Fruttarol Bianchin.
Surrey, BC, Canada