Keronen

Finnish

Possibly from the anthroponym Old High German Gera, Gero, Kero, or a Karelian vernacular form of Russian Герасим (Gerasim), or from kero +‎ -nen.^[1]

Keronen

Inflection of Keronen (Kotus type 38/nainen, no gradation)
nominative		Keronen	Keroset
genitive		Kerosen	Kerosten Kerosien
partitive		Kerosta	Kerosia
illative		Keroseen	Kerosiin
		singular	plural
nominative		Keronen	Keroset
accusative	nom.	Keronen	Keroset
accusative	gen.	Kerosen	Keroset
genitive		Kerosen	Kerosten Kerosien
partitive		Kerosta	Kerosia
inessive		Kerosessa	Kerosissa
elative		Kerosesta	Kerosista
illative		Keroseen	Kerosiin
adessive		Kerosella	Kerosilla
ablative		Keroselta	Kerosilta
allative		Keroselle	Kerosille
essive		Kerosena	Kerosina
translative		Keroseksi	Kerosiksi
abessive		Kerosetta	Kerositta
instructive		—	Kerosin
comitative		See the possessive forms below.

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

first-person singular possessor
		singular	plural
nominative		Keroseni	Keroseni
accusative	nom.	Keroseni	Keroseni
accusative	gen.	Keroseni	Keroseni
genitive		Keroseni	Kerosteni Kerosieni
partitive		Kerostani	Kerosiani
inessive		Kerosessani	Kerosissani
elative		Kerosestani	Kerosistani
illative		Keroseeni	Kerosiini
adessive		Kerosellani	Kerosillani
ablative		Keroseltani	Kerosiltani
allative		Keroselleni	Kerosilleni
essive		Kerosenani	Kerosinani
translative		Kerosekseni	Kerosikseni
abessive		Kerosettani	Kerosittani
instructive		—	—
comitative		—	Kerosineni

second-person singular possessor
		singular	plural
nominative		Kerosesi	Kerosesi
accusative	nom.	Kerosesi	Kerosesi
accusative	gen.	Kerosesi	Kerosesi
genitive		Kerosesi	Kerostesi Kerosiesi
partitive		Kerostasi	Kerosiasi
inessive		Kerosessasi	Kerosissasi
elative		Kerosestasi	Kerosistasi
illative		Keroseesi	Kerosiisi
adessive		Kerosellasi	Kerosillasi
ablative		Keroseltasi	Kerosiltasi
allative		Kerosellesi	Kerosillesi
essive		Kerosenasi	Kerosinasi
translative		Keroseksesi	Kerosiksesi
abessive		Kerosettasi	Kerosittasi
instructive		—	—
comitative		—	Kerosinesi

first-person plural possessor
		singular	plural
nominative		Kerosemme	Kerosemme
accusative	nom.	Kerosemme	Kerosemme
accusative	gen.	Kerosemme	Kerosemme
genitive		Kerosemme	Kerostemme Kerosiemme
partitive		Kerostamme	Kerosiamme
inessive		Kerosessamme	Kerosissamme
elative		Kerosestamme	Kerosistamme
illative		Keroseemme	Kerosiimme
adessive		Kerosellamme	Kerosillamme
ablative		Keroseltamme	Kerosiltamme
allative		Kerosellemme	Kerosillemme
essive		Kerosenamme	Kerosinamme
translative		Keroseksemme	Kerosiksemme
abessive		Kerosettamme	Kerosittamme
instructive		—	—
comitative		—	Kerosinemme

second-person plural possessor
		singular	plural
nominative		Kerosenne	Kerosenne
accusative	nom.	Kerosenne	Kerosenne
accusative	gen.	Kerosenne	Kerosenne
genitive		Kerosenne	Kerostenne Kerosienne
partitive		Kerostanne	Kerosianne
inessive		Kerosessanne	Kerosissanne
elative		Kerosestanne	Kerosistanne
illative		Keroseenne	Kerosiinne
adessive		Kerosellanne	Kerosillanne
ablative		Keroseltanne	Kerosiltanne
allative		Kerosellenne	Kerosillenne
essive		Kerosenanne	Kerosinanne
translative		Keroseksenne	Kerosiksenne
abessive		Kerosettanne	Kerosittanne
instructive		—	—
comitative		—	Kerosinenne

Keronen is the 1452^nd (tied with 4 other surnames) most common surname in Finland, belonging to 587 individuals, according to February 2023 data from the Digital and Population Data Services Agency of Finland.