Roiha

Finnish

Possibly from a Karelian vernacular form of Russian Прохор (Proxor).^[1]

Roiha

Inflection of Roiha (Kotus type 10/koira, no gradation)
nominative		Roiha	Roihat
genitive		Roihan	Roihien
partitive		Roihaa	Roihia
illative		Roihaan	Roihiin
		singular	plural
nominative		Roiha	Roihat
accusative	nom.	Roiha	Roihat
accusative	gen.	Roihan	Roihat
genitive		Roihan	Roihien Roihain ^rare
partitive		Roihaa	Roihia
inessive		Roihassa	Roihissa
elative		Roihasta	Roihista
illative		Roihaan	Roihiin
adessive		Roihalla	Roihilla
ablative		Roihalta	Roihilta
allative		Roihalle	Roihille
essive		Roihana	Roihina
translative		Roihaksi	Roihiksi
abessive		Roihatta	Roihitta
instructive		—	Roihin
comitative		See the possessive forms below.

Possessive forms of Roiha (Kotus type 10/koira, no gradation)

first-person singular possessor
		singular	plural
nominative		Roihani	Roihani
accusative	nom.	Roihani	Roihani
accusative	gen.	Roihani	Roihani
genitive		Roihani	Roihieni Roihaini ^rare
partitive		Roihaani	Roihiani
inessive		Roihassani	Roihissani
elative		Roihastani	Roihistani
illative		Roihaani	Roihiini
adessive		Roihallani	Roihillani
ablative		Roihaltani	Roihiltani
allative		Roihalleni	Roihilleni
essive		Roihanani	Roihinani
translative		Roihakseni	Roihikseni
abessive		Roihattani	Roihittani
instructive		—	—
comitative		—	Roihineni

second-person singular possessor
		singular	plural
nominative		Roihasi	Roihasi
accusative	nom.	Roihasi	Roihasi
accusative	gen.	Roihasi	Roihasi
genitive		Roihasi	Roihiesi Roihaisi ^rare
partitive		Roihaasi	Roihiasi
inessive		Roihassasi	Roihissasi
elative		Roihastasi	Roihistasi
illative		Roihaasi	Roihiisi
adessive		Roihallasi	Roihillasi
ablative		Roihaltasi	Roihiltasi
allative		Roihallesi	Roihillesi
essive		Roihanasi	Roihinasi
translative		Roihaksesi	Roihiksesi
abessive		Roihattasi	Roihittasi
instructive		—	—
comitative		—	Roihinesi

first-person plural possessor
		singular	plural
nominative		Roihamme	Roihamme
accusative	nom.	Roihamme	Roihamme
accusative	gen.	Roihamme	Roihamme
genitive		Roihamme	Roihiemme Roihaimme ^rare
partitive		Roihaamme	Roihiamme
inessive		Roihassamme	Roihissamme
elative		Roihastamme	Roihistamme
illative		Roihaamme	Roihiimme
adessive		Roihallamme	Roihillamme
ablative		Roihaltamme	Roihiltamme
allative		Roihallemme	Roihillemme
essive		Roihanamme	Roihinamme
translative		Roihaksemme	Roihiksemme
abessive		Roihattamme	Roihittamme
instructive		—	—
comitative		—	Roihinemme

second-person plural possessor
		singular	plural
nominative		Roihanne	Roihanne
accusative	nom.	Roihanne	Roihanne
accusative	gen.	Roihanne	Roihanne
genitive		Roihanne	Roihienne Roihainne ^rare
partitive		Roihaanne	Roihianne
inessive		Roihassanne	Roihissanne
elative		Roihastanne	Roihistanne
illative		Roihaanne	Roihiinne
adessive		Roihallanne	Roihillanne
ablative		Roihaltanne	Roihiltanne
allative		Roihallenne	Roihillenne
essive		Roihananne	Roihinanne
translative		Roihaksenne	Roihiksenne
abessive		Roihattanne	Roihittanne
instructive		—	—
comitative		—	Roihinenne

Roiha is the 1331^st (tied with 1 other surname) most common surname in Finland, belonging to 638 individuals, according to February 2023 data from the Digital and Population Data Services Agency of Finland.