John was the 1st most common given name among people in the file born in 1897 — 34,764 carried it. Across all birth years, 2,443,958 people in the file carry the name; the largest birth cohort of Johns was 1918.
Living to 77
John lived to 77. Among the 1,216,846 people in the file born in 1897, half lived past 81 and one in four reached 87; the longest-lived made it to 113. Only deaths reported to Social Security between 1936 and 2011 appear in the file, so members of this cohort who died young are not counted — these are the lifespans of its survivors.
Died the same month
146,022 other deaths in the file were recorded in December 1974 without a recorded day, among them Harry Lehman, Raymond Turk and James Smith.
Other Liberek records
2 people with this surname appear in the file. More Liberek deaths in the file fall in the 1970s than in any other decade; Indiana holds the largest share of last residences.