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John Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this John Allen across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Calvin & John — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Allen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Cord Stripper |
| Industry | Textile Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 620 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Cord Stripper |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| Ike Allen | Head | — | 60 | ~1880 |
| Ernest Crist | Other | — | 44 | ~1896 |
| John Allen | Son | — | 32 | ~1908 |
Census Appearances
1910
Jefferson, Kentucky
Son, age 2
Jefferson, Kentucky · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | M |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Speaks English | English |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Son, age 11
Jefferson, Kentucky · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 21
Jefferson, Kentucky · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | laborer |
| Industry | city |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 32
Jefferson-County, Kentucky · implied b. ~1908 — 3 household members
| Surname | Allen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Cord Stripper |
| Industry | Textile Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 620 |
| 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 Allen across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Calvin Allen (~0.92 confidence) and father John Allen (~0.92 confidence) and father Ike Allen (~0.92 confidence) and mother Ida Allen (~0.92 confidence) and mother Mary Allen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Calvin Allen
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Allen
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Ike Allen
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ida Allen
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Allen
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Allen
Son · 1940 · age 32 · b. ~1908 · 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
39 people indexed on this census page (nara:1940:m-t0627-01367-00167)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Dillman | 65 | Wife | — | Kentucky |
| 42 | Elsie Pangburn | 46 | Step-daughter | — | Kentucky |
| 43 | Irene Bricout | 32 | Step-daughter | Machine Operator | Kentucky |
| 44 | Edward Milton Jr. Bricout | 13 | Step-grandson | — | Kentucky |
| 45 | Harold M. Nobile | 42 | Head | Yard & Record Clerk | Kentucky |
| 46 | Ada Mae Nobile | 36 | Wife | Extra Sales Lady | Kentucky |
| 47 | Lula T. Nobile | 15 | Son | — | Kentucky |
| 48 | Farrel L. Woods | 17 | Daughter | — | Kentucky |
| 49 | Josephine Woods | 12 | Grand-daughter | — | Kentucky |
| 50 | Eva D. North | 53 | Mother-in-law | — | Kentucky |
| 51 | Agnes Mary Kaelin | 33 | Boarder | — | Indiana |
| 52 | Emmer Broda | 46 | Head | Proprietor | Kentucky |
| 53 | Grace Lynn Broda | 11 | Daughter | — | Kentucky |
| 54 | Winston Broda | 5 | Son | — | Kentucky |
| 55 | Mary Bennett | 67 | Mother | — | Kentucky |
| 56 | Mildred Burns | 29 | Head | Packer Bottling Dept. | Kentucky |
| 57 | Rose O'Hoon | 43 | Lodger | Proprietor | Russia |
| 59 | Henry T. Martin | 43 | Head | Laborer | Germany |
| 60 | Agnes Martin | 40 | Wife | — | Kentucky |
| 61 | Henry J. Martin | 13 | Son | — | Kentucky |
| 62 | Paul Martin | 11 | Son | — | Kentucky |
| 63 | Mildred Martin | 4 | Daughter | — | Kentucky |
| 64 | Charles Senior | 63 | Brother-in-law | — | Kentucky |
| 65 | Ike Allen | 60 | Head | — | Kentucky |
| 66 | John Allen THIS PERSON | 32 | Son | Cord Stripper | Kentucky |
| 67 | Ernest Crist | 44 | Nephew | Ass'T Engineer | Kentucky |
| 68 | Howard Harp | 32 | Head | Finisher | Kentucky |
| 69 | Edith Harp | 32 | Wife | — | Kentucky |
| 70 | Mary Catherine Harp | 14 | Daughter | — | Kentucky |
| 71 | William Harp | 11 | Son | — | Kentucky |
| 72 | Herschel Harp | 5 | Son | — | Kentucky |
| 73 | Anna Zeitz | 44 | Head | Candy Maker | Kentucky |
| 74 | Herman Zeitz | 21 | Son | Truck Driver | Kentucky |
| 75 | Ann Forkelle Zeitz | 19 | Daughter | Candy Maker | Kentucky |
| 76 | Edna Zeitz | 14 | Daughter | — | Kentucky |
| 77 | Charles W. Ogleby | 60 | Head | Operator-Machine | Kentucky |
| 78 | Capitola Ogleby | 54 | Wife | Seamstress | Kentucky |
| 79 | Clemons Ogleby | 22 | Son | Rodman | Kentucky |
| 80 | Hilda Ogleby | 15 | Daughter | General Office Work | Kentucky |
Pedigree Summary
John
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)