McGovernIrish Anglicized form of Irish Gaelic Mag Shamhradháin meaning "son of Samhradháin", a given name meaning "summer".
Sommer 1German, English Means "summer", from Old High German sumar or Old English sumor. This was a nickname for a cheerful person, someone who lived in a sunny spot, or a farmer who had to pay taxes in the summer.
SummerfieldEnglish Originally indicated the bearer was from a town of this name, derived from Old English sumor "summer" and feld "field".
WinterEnglish, German, Swedish From Old English winter or Old High German wintar meaning "winter". This was a nickname for a person with a cold personality.
WinterbottomEnglish From Old English winter meaning "winter" and botm meaning "ground, soil, bottom". This name probably referred to a winter pasture at the bottom of a lowland valley.