Jim Lounsbury was born in 1923.
Jim Lounsbury died in 2006.
Thomas Lounsbury was born in 1838.
Michael Lounsbury was born in 1966.
Floyd Lounsbury was born in 1914.
George E. Lounsbury was born in 1838.
Grant Lounsbury was born in Toronto, in Ontario, Canada.
Phineas C. Lounsbury was born in 1841.
Floyd Lounsbury died in 1998.
Hewitt Lounsbury died in 1971.
Lounsbury Foods was created in 1962.
Thomas Lounsbury died in 1915.
That is the correct spelling of a proper noun Lounsbury, and also Loundesbury.