John Frederick Henry Pickhardt was born on 29. Aug. 1869 at New York City, New York County, New York. He was the son of
Frederick Christian Pickhardt and
Catherine Galy. John Frederick Henry Pickhardt married
Cornelia Stillwell Smock, daughter of
Nelson Smock and
Catherine Walton, on 16. Dec. 1891 at New York City, New York County, New York. John Frederick Henry Pickhardt was shown in the census on 30. Apr. 1910 as a policeman, New York City.
John Frederick Henry Pickhardt and
Cornelia Stillwell Smock appeared on the census of 30. Apr. 1910 at Queens, Queens County, New York; 4 children, 4 living. John Frederick Henry Pickhardt was shown in the census on 15. Feb. 1920 as a city policeman.
John Frederick Henry Pickhardt and
Cornelia Stillwell Smock appeared on the census of 15. Feb. 1920 at Queens, Queens County, New York. John Frederick Henry Pickhardt died on 26. Dec. 1950 at Jamaica, Queens County, New York, at age 81. He was buried at Cedar Grove Cemetery, Flushing, Queens County, New York.