Elofsson is a surname, an Americanized form (and a rare Swedish variant) of Swedish Elofson. It is a patronymic from the personal name Elof, from Old Norse Eilífr, a compound of ei ('alone', 'sole' or 'always') + lífr ('living', 'alive'). Notable people with the surname include: Gustaf Elofsson (1897–1971), Swedish politician. Jonas Elofsson (born 1979), Swedish ice hockey player. Jörgen Elofsson (born 1962), Swedish songwriter. Per Elofsson (born 1977), Swedish cross-country skier. Tomas Elofsson (born 1977), Swedish guitarist and songwriter. See also. Olofsson. References
https://en.wikipedia.org/wiki/Elofsson