JF
James Farrell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this James Farrell across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Occupation | Machinist |
| Industry | Clay Products Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2080 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Machinist |
| Township / Ward | St Louis |
| Est. Birth Year | ~1889 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Farrell | Daughter | — | 21 | ~1919 |
| James Farrell | Head | — | 51 | ~1889 |
| James Farrell | Son | — | 20 | ~1920 |
| Agnes Farrell | Spouse | — | 54 | ~1886 |
Census Appearances
1920
St Louis, …
Head, age 28
St Louis, Missouri · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | James B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Cutter |
| Industry | Shoe factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 40
St Louis, Missouri · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Foreman |
| Industry | Shoe Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8700.00 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Head, age 51
St.-Louis-City-County, Missouri · implied b. ~1889 — 4 household members
| Surname | Farrell |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis City |
| Occupation | Machinist |
| Industry | Clay Products Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2080 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 James Farrell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Farrell
Head · 1940 · age 51 · b. ~1889 · Missouri
★ 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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02194-00474)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ann Mantia | 44 | Wife | — | Italy |
| 42 | Agatha Mantia | 27 | Daughter | — | Missouri |
| 43 | Anthony Mantia | 25 | Son | Truck Driver | Missouri |
| 44 | Marie Mantia | 24 | Daughter | New Worker | Missouri |
| 45 | Martin Mantia | 21 | Son | Truck Driver | Missouri |
| 46 | Michael Mantia | 19 | Son | — | Missouri |
| 47 | Walter Mantia | 15 | Son | — | Missouri |
| 48 | Cosmo Mantia | 13 | Son | — | Missouri |
| 49 | John Mantia | 7 | Son | — | Missouri |
| 51 | James Sweney | 45 | Head | Salesman | Missouri |
| 52 | Anita Sweney | 43 | Wife | — | Missouri |
| 53 | James Jr. Sweney | 16 | Son | — | Missouri |
| 54 | Robert Sweney | 12 | Son | — | Missouri |
| 55 | Theodore Korte | 36 | Head | Engineer | Missouri |
| 56 | Mildred Korte | 34 | Wife | — | Missouri |
| 57 | Donald Korte | 12 | Son | — | Missouri |
| 58 | Adolph Eichhorn | 70 | Father-in-law | — | Missouri |
| 59 | James Farrell THIS PERSON | 51 | Head | Machinist | Missouri |
| 60 | Agnes Farrell | 54 | Wife | — | Missouri |
| 61 | Mary Jane Farrell | 21 | Daughter | Secretary | Missouri |
| 62 | James R. Farrell | 20 | Son | Toolmaker Maker | Missouri |
| 63 | Ivan Rouse | 44 | Head | Picture Operator | Missouri |
| 64 | Gertrude Rouse | 43 | Wife | — | Missouri |
| 65 | James French | 77 | Father-in-law | — | Missouri |
| 66 | Mary J. Mantia | 46 | Head | — | Connecticut |
| 67 | Anthony Mantia | 20 | Son | Laborer | Missouri |
| 68 | Marina Mantia | 14 | Daughter | — | Missouri |
| 69 | William H. Dees | 49 | Head | President | Missouri |
| 70 | Edna Dees | 47 | Wife | — | Kentucky |
| 71 | Wilma Dees | 11 | Daughter | — | Missouri |
| 72 | William Dees | 6 | Son | — | Missouri |
| 73 | George Schopp | 56 | Head | Office Clerk | Illinois |
| 74 | Stella Schopp | 52 | Wife | — | Illinois |
| 75 | Joseph Giliberti | 31 | Head | Truck Driver | Missouri |
| 76 | Angeline Giliberti | 22 | Wife | — | Missouri |
| 77 | James Poyer | 41 | Head | Office Clerk | Michigan |
| 78 | Lillian Poyer | 41 | Wife | — | Missouri |
| 79 | Robert Poyer | 18 | Son | Printer | Missouri |
| 80 | James Poyer | 14 | Son | — | Missouri |
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)