Unknown root + -io. Mostly from the late 19th and early 20th centuries during the Finnicization of surnames, but there are some possible references from historical sources,[1] in which case the surname may have been revived from a historical surname.
Sainio
Inflection of Sainio (Kotus type 3/valtio, no gradation) | |||
---|---|---|---|
nominative | Sainio | Sainiot | |
genitive | Sainion | Sainioiden Sainioitten | |
partitive | Sainiota | Sainioita | |
illative | Sainioon | Sainioihin | |
singular | plural | ||
nominative | Sainio | Sainiot | |
accusative | nom. | Sainio | Sainiot |
gen. | Sainion | ||
genitive | Sainion | Sainioiden Sainioitten | |
partitive | Sainiota | Sainioita | |
inessive | Sainiossa | Sainioissa | |
elative | Sainiosta | Sainioista | |
illative | Sainioon | Sainioihin | |
adessive | Sainiolla | Sainioilla | |
ablative | Sainiolta | Sainioilta | |
allative | Sainiolle | Sainioille | |
essive | Sainiona | Sainioina | |
translative | Sainioksi | Sainioiksi | |
abessive | Sainiotta | Sainioitta | |
instructive | — | Sainioin | |
comitative | See the possessive forms below. |