JY
John Young — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this John Young across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Harry & Charles — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Young |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Lithograph Machine Operator |
| Industry | Banking |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Lithograph Machine Operator |
| Township / Ward | Camp Taylor |
| Est. Birth Year | ~1910 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lucy Young | Daughter | — | 26 | ~1914 |
| Harry Young | Head | — | 58 | ~1882 |
| John Young | Son | — | 30 | ~1910 |
| Alpha Young | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 8
Jefferson, Kentucky · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 19
Jefferson, Kentucky · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 30
Jefferson-County, Kentucky · implied b. ~1910 — 4 household members
| Surname | Young |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Occupation | Lithograph Machine Operator |
| Industry | Banking |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Young across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Young (~0.92 confidence) and father Charles Young (~0.92 confidence) and mother Birdie Young (~0.92 confidence) and mother Elizabeth Young (~0.92 confidence) and mother Alpha Young (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Young
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Charles Young
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Birdie Young
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Young
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Alpha Young
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Young
Son · 1940 · age 30 · b. ~1910 · Kentucky
★ You are viewing this record
Sibling
Lucy Young
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01321-00132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lula Melcher | 55 | Wife | Proprietor | Kentucky |
| 42 | Ervin J. Melcher | 33 | Son | Laborer | Kentucky |
| 43 | Harry W. Young | 58 | Head | Machine Operator | Kentucky |
| 44 | Alpha D. Young | 57 | Wife | — | Kentucky |
| 45 | John H. Young THIS PERSON | 30 | Son | Lithograph Machine Operator | Kentucky |
| 46 | Lucy T. Young | 26 | Daughter | Secretary | Kentucky |
| 47 | William J. Feldkamp | 31 | Head | Contractor | Kentucky |
| 48 | Dorothy F. Feldkamp | 29 | Wife | — | Kentucky |
| 49 | Shirley A. Feldkamp | 5 | Daughter | — | Kentucky |
| 50 | Sharon M. Feldkamp | 2 | Daughter | — | Kentucky |
| 51 | Mary J. Casey | 82 | Mother | — | Kentucky |
| 52 | John H. Cassell | 36 | Head | Brick-Layer | Kentucky |
| 53 | Ruth I. Cassell | 29 | Wife | — | Kentucky |
| 54 | John G. Jr. Cassell | 2 | Son | — | Kentucky |
| 55 | J. Rowland Floore | 32 | Head | Stock Clerk | Kentucky |
| 56 | Dorothy L. Floore | 25 | Wife | Glass Worker | Kentucky |
| 57 | Dr. E. L. Floore | 69 | Father | Dentist | Kentucky |
| 58 | Mabel F. Floore | 60 | Mother | — | Indiana |
| 59 | E. L. Jr. Floore | 35 | Brother | Salesman | Kentucky |
| 60 | Karl F. Finch | 37 | Head | Truck Driver | Louisville |
| 61 | Mary E. Finch | 41 | Wife | — | Louisville |
| 62 | William H. Finch | 10 | Son | — | Louisville |
| 63 | Loretta A. Ormerod | 38 | Sister-in-law | — | Louisville |
| 64 | William J. Mattingly | 43 | Head | Sign Writer | Kentucky |
| 65 | Sibyl H. Mattingly | 35 | Wife | Junior Clerk | Kentucky |
| 66 | William J. Jr. Mattingly | 17 | Son | Sign Writer'S Helper | Kentucky |
| 67 | Carl E. Berg | 33 | Head | Landscape Artist | Illinois |
| 68 | Anita E. Berg | 33 | Wife | — | Illinois |
| 69 | David L. Berg | 2 | Son | — | Kentucky |
| 70 | Donald Carl Berg | 0 | Son | — | Kentucky |
| 71 | William C. Doerr | 47 | Head | Cabinet Maker | Kentucky |
| 72 | Laura C. Doerr | 43 | Wife | — | Indiana |
| 73 | William E. Doerr | 15 | Son | — | Kentucky |
| 74 | Doris S. Doerr | 11 | Daughter | — | Kentucky |
| 75 | Franklin D. Doerr | 5 | Son | — | Kentucky |
| 76 | Clarence R. Jack | 53 | Head | Salesman | Pennsylvania |
| 77 | Cleo Jack | 41 | Wife | — | Kentucky |
| 78 | George A. Saffie|Saffir | 43 | Head | R.C. Clergyman | Ohio |
| 79 | Rev. Vincent Osborne | 40 | Assistant | R.C. Clergyman | Kentucky |
| 80 | Agnes C. Recktenwald | 45 | Housekeeper | Housekeeper | Indiana |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)