Selonen

Finnish

Potentially from vernacular forms of Russian Селиван (Selivan) +‎ -nen.^[1]

Selonen

Inflection of Selonen (Kotus type 38/nainen, no gradation)
nominative		Selonen	Seloset
genitive		Selosen	Selosten Selosien
partitive		Selosta	Selosia
illative		Seloseen	Selosiin
		singular	plural
nominative		Selonen	Seloset
accusative	nom.	Selonen	Seloset
accusative	gen.	Selosen	Seloset
genitive		Selosen	Selosten Selosien
partitive		Selosta	Selosia
inessive		Selosessa	Selosissa
elative		Selosesta	Selosista
illative		Seloseen	Selosiin
adessive		Selosella	Selosilla
ablative		Seloselta	Selosilta
allative		Seloselle	Selosille
essive		Selosena	Selosina
translative		Seloseksi	Selosiksi
abessive		Selosetta	Selositta
instructive		—	Selosin
comitative		See the possessive forms below.

Possessive forms of Selonen (Kotus type 38/nainen, no gradation)

first-person singular possessor
		singular	plural
nominative		Seloseni	Seloseni
accusative	nom.	Seloseni	Seloseni
accusative	gen.	Seloseni	Seloseni
genitive		Seloseni	Selosteni Selosieni
partitive		Selostani	Selosiani
inessive		Selosessani	Selosissani
elative		Selosestani	Selosistani
illative		Seloseeni	Selosiini
adessive		Selosellani	Selosillani
ablative		Seloseltani	Selosiltani
allative		Seloselleni	Selosilleni
essive		Selosenani	Selosinani
translative		Selosekseni	Selosikseni
abessive		Selosettani	Selosittani
instructive		—	—
comitative		—	Selosineni

second-person singular possessor
		singular	plural
nominative		Selosesi	Selosesi
accusative	nom.	Selosesi	Selosesi
accusative	gen.	Selosesi	Selosesi
genitive		Selosesi	Selostesi Selosiesi
partitive		Selostasi	Selosiasi
inessive		Selosessasi	Selosissasi
elative		Selosestasi	Selosistasi
illative		Seloseesi	Selosiisi
adessive		Selosellasi	Selosillasi
ablative		Seloseltasi	Selosiltasi
allative		Selosellesi	Selosillesi
essive		Selosenasi	Selosinasi
translative		Seloseksesi	Selosiksesi
abessive		Selosettasi	Selosittasi
instructive		—	—
comitative		—	Selosinesi

first-person plural possessor
		singular	plural
nominative		Selosemme	Selosemme
accusative	nom.	Selosemme	Selosemme
accusative	gen.	Selosemme	Selosemme
genitive		Selosemme	Selostemme Selosiemme
partitive		Selostamme	Selosiamme
inessive		Selosessamme	Selosissamme
elative		Selosestamme	Selosistamme
illative		Seloseemme	Selosiimme
adessive		Selosellamme	Selosillamme
ablative		Seloseltamme	Selosiltamme
allative		Selosellemme	Selosillemme
essive		Selosenamme	Selosinamme
translative		Seloseksemme	Selosiksemme
abessive		Selosettamme	Selosittamme
instructive		—	—
comitative		—	Selosinemme

second-person plural possessor
		singular	plural
nominative		Selosenne	Selosenne
accusative	nom.	Selosenne	Selosenne
accusative	gen.	Selosenne	Selosenne
genitive		Selosenne	Selostenne Selosienne
partitive		Selostanne	Selosianne
inessive		Selosessanne	Selosissanne
elative		Selosestanne	Selosistanne
illative		Seloseenne	Selosiinne
adessive		Selosellanne	Selosillanne
ablative		Seloseltanne	Selosiltanne
allative		Selosellenne	Selosillenne
essive		Selosenanne	Selosinanne
translative		Seloseksenne	Selosiksenne
abessive		Selosettanne	Selosittanne
instructive		—	—
comitative		—	Selosinenne

Selonen is the 4603^rd (tied with 26 other surnames) most common surname in Finland, belonging to 159 individuals, according to February 2023 data from the Digital and Population Data Services Agency of Finland.