Roikonen

Finnish

Possibly from the same origin as Raikunen or as Riikonen.^[1]

Roikonen

Inflection of Roikonen (Kotus type 38/nainen, no gradation)
nominative		Roikonen	Roikoset
genitive		Roikosen	Roikosten Roikosien
partitive		Roikosta	Roikosia
illative		Roikoseen	Roikosiin
		singular	plural
nominative		Roikonen	Roikoset
accusative	nom.	Roikonen	Roikoset
accusative	gen.	Roikosen	Roikoset
genitive		Roikosen	Roikosten Roikosien
partitive		Roikosta	Roikosia
inessive		Roikosessa	Roikosissa
elative		Roikosesta	Roikosista
illative		Roikoseen	Roikosiin
adessive		Roikosella	Roikosilla
ablative		Roikoselta	Roikosilta
allative		Roikoselle	Roikosille
essive		Roikosena	Roikosina
translative		Roikoseksi	Roikosiksi
abessive		Roikosetta	Roikositta
instructive		—	Roikosin
comitative		See the possessive forms below.

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

first-person singular possessor
		singular	plural
nominative		Roikoseni	Roikoseni
accusative	nom.	Roikoseni	Roikoseni
accusative	gen.	Roikoseni	Roikoseni
genitive		Roikoseni	Roikosteni Roikosieni
partitive		Roikostani	Roikosiani
inessive		Roikosessani	Roikosissani
elative		Roikosestani	Roikosistani
illative		Roikoseeni	Roikosiini
adessive		Roikosellani	Roikosillani
ablative		Roikoseltani	Roikosiltani
allative		Roikoselleni	Roikosilleni
essive		Roikosenani	Roikosinani
translative		Roikosekseni	Roikosikseni
abessive		Roikosettani	Roikosittani
instructive		—	—
comitative		—	Roikosineni

second-person singular possessor
		singular	plural
nominative		Roikosesi	Roikosesi
accusative	nom.	Roikosesi	Roikosesi
accusative	gen.	Roikosesi	Roikosesi
genitive		Roikosesi	Roikostesi Roikosiesi
partitive		Roikostasi	Roikosiasi
inessive		Roikosessasi	Roikosissasi
elative		Roikosestasi	Roikosistasi
illative		Roikoseesi	Roikosiisi
adessive		Roikosellasi	Roikosillasi
ablative		Roikoseltasi	Roikosiltasi
allative		Roikosellesi	Roikosillesi
essive		Roikosenasi	Roikosinasi
translative		Roikoseksesi	Roikosiksesi
abessive		Roikosettasi	Roikosittasi
instructive		—	—
comitative		—	Roikosinesi

first-person plural possessor
		singular	plural
nominative		Roikosemme	Roikosemme
accusative	nom.	Roikosemme	Roikosemme
accusative	gen.	Roikosemme	Roikosemme
genitive		Roikosemme	Roikostemme Roikosiemme
partitive		Roikostamme	Roikosiamme
inessive		Roikosessamme	Roikosissamme
elative		Roikosestamme	Roikosistamme
illative		Roikoseemme	Roikosiimme
adessive		Roikosellamme	Roikosillamme
ablative		Roikoseltamme	Roikosiltamme
allative		Roikosellemme	Roikosillemme
essive		Roikosenamme	Roikosinamme
translative		Roikoseksemme	Roikosiksemme
abessive		Roikosettamme	Roikosittamme
instructive		—	—
comitative		—	Roikosinemme

second-person plural possessor
		singular	plural
nominative		Roikosenne	Roikosenne
accusative	nom.	Roikosenne	Roikosenne
accusative	gen.	Roikosenne	Roikosenne
genitive		Roikosenne	Roikostenne Roikosienne
partitive		Roikostanne	Roikosianne
inessive		Roikosessanne	Roikosissanne
elative		Roikosestanne	Roikosistanne
illative		Roikoseenne	Roikosiinne
adessive		Roikosellanne	Roikosillanne
ablative		Roikoseltanne	Roikosiltanne
allative		Roikosellenne	Roikosillenne
essive		Roikosenanne	Roikosinanne
translative		Roikoseksenne	Roikosiksenne
abessive		Roikosettanne	Roikosittanne
instructive		—	—
comitative		—	Roikosinenne

third-person possessor
		singular	plural
nominative		Roikosensa	Roikosensa
accusative	nom.	Roikosensa	Roikosensa
accusative	gen.	Roikosensa	Roikosensa
genitive		Roikosensa	Roikostensa Roikosiensa
partitive		Roikostaan Roikostansa	Roikosiaan Roikosiansa
inessive		Roikosessaan Roikosessansa	Roikosissaan Roikosissansa
elative		Roikosestaan Roikosestansa	Roikosistaan Roikosistansa
illative		Roikoseensa	Roikosiinsa
adessive		Roikosellaan Roikosellansa	Roikosillaan Roikosillansa
ablative		Roikoseltaan Roikoseltansa	Roikosiltaan Roikosiltansa
allative		Roikoselleen Roikosellensa	Roikosilleen Roikosillensa
essive		Roikosenaan Roikosenansa	Roikosinaan Roikosinansa
translative		Roikosekseen Roikoseksensa	Roikosikseen Roikosiksensa
abessive		Roikosettaan Roikosettansa	Roikosittaan Roikosittansa
instructive		—	—
comitative		—	Roikosineen Roikosinensa

Roikonen is the 3383^rd (tied with 8 other surnames) most common surname in Finland, belonging to 230 individuals, according to February 2023 data from the Digital and Population Data Services Agency of Finland.