Klinefelter Family History
Klinefelter Name Meaning
Americanized form of German Kleinfelder .
Source: Dictionary of American Family Names 2nd edition, 2022
View Census Data for Klinefelter | Data not to scale
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Between 1949 and 2004, in the United States, Klinefelter life expectancy was at its lowest point in 1949, and highest in 1999. The average life expectancy for Klinefelter in 1949 was 44, and 77 in 2004.