JC
John Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this John Carr across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Howard & Alice — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Carr |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | 3rd Magisterial District |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | 3Rd Magisterial District |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Howard Carr | Head | — | 46 | ~1894 |
| John Carr | Son | — | 26 | ~1914 |
| Willie Carr | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 5
Jefferson, Kentucky · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | John St. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| 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 15
Jefferson, Kentucky · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| 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 26
Jefferson-County, Kentucky · implied b. ~1914 — 3 household members
| Surname | Carr |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | 3rd Magisterial District |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Howard Carr (~0.92 confidence) and mother Alice Carr (~0.92 confidence) and mother Willie Carr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Howard Carr
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Alice Carr
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Willie Carr
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Carr
Son · 1940 · age 26 · b. ~1914 · Kentucky
★ You are viewing this record
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-t0627-01321-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Tiedemann | 55 | Head | Purchasing Agent | Michigan |
| 42 | Ethel Tiedemann | 52 | Wife | — | Kentucky |
| 43 | Richard Mucker | 42 | Head | Clean Up Man | Kentucky |
| 44 | Elnora Mucker | 42 | Wife | Housework | Kentucky |
| 45 | Robert Mucker | 20 | Son | Clothes Cleaner | Kentucky |
| 46 | Alberta Mucker | 18 | Daughter | — | Kentucky |
| 47 | Aleen Mucker | 16 | Daughter | — | Kentucky |
| 48 | Richard Jr. Mucker | 13 | Son | — | Kentucky |
| 49 | James H. Mucker | 11 | Son | — | Kentucky |
| 50 | Louis E. Mucker | 8 | Son | — | Kentucky |
| 51 | Charlie Whittaker | 64 | Head | Rock Dryer | Kentucky |
| 52 | Mollie Whittaker | 60 | Wife | — | Kentucky |
| 53 | Chester Wharton | 21 | Grandson | Farm Laborer | Kentucky |
| 54 | Jack Fagan | 19 | Grandson | Washer | Kentucky |
| 55 | Howard Carr | 46 | Head | Bin Watchman | Kentucky |
| 56 | Willie Mae Carr | 44 | Wife | — | Kentucky |
| 57 | John W. Carr THIS PERSON | 26 | Son | — | Kentucky |
| 58 | Cora Robinson | 38 | Head | — | Kentucky |
| 59 | Taylor Johnson | 49 | Head | Feeder | Kentucky |
| 60 | Alice Johnson | 44 | Wife | — | Kentucky |
| 61 | Helen Johnson | 22 | Daughter | Housework | Kentucky |
| 62 | Anna M. Johnson | 16 | Daughter | — | Kentucky |
| 63 | Verna Lee Johnson | 14 | Daughter | — | Kentucky |
| 64 | Carrie Johnson | 10 | Daughter | — | Kentucky |
| 65 | Marie Johnson | 6 | Daughter | — | Kentucky |
| 66 | Edward Johnson | 2 | Son | — | Kentucky |
| 67 | Lewis Cleaver | 63 | Head | Feeder | Kentucky |
| 68 | Annie Cleaver | 43 | Wife | — | Kentucky |
| 69 | Ed Jackson | 47 | Head | Janitor | Kentucky |
| 70 | Mollie Jackson | 35 | Wife | — | Kentucky |
| 71 | Booker T. Watts | 38 | Head | Clean Up Man | Kentucky |
| 72 | Alma Watts | 31 | Wife | — | Kentucky |
| 73 | Imo Gene Watts | 8 | Daughter | — | Kentucky |
| 74 | Booker T. Jr. Watts | 6 | Son | — | Kentucky |
| 75 | Delores Watts | 5 | Daughter | — | Kentucky |
| 76 | Norman Watts | 3 | Son | — | Kentucky |
| 77 | Eli Watts | 57 | Head | Stone Dryer | Kentucky |
| 78 | Phoebe Watts | 48 | Wife | Housework | Kentucky |
| 79 | Virgil Watts | 26 | Son | Janitor | Kentucky |
| 80 | Julia Lyons | 17 | Lodger | — | Kentucky |
Pedigree Summary
John
Gen 1 · 3 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)