TF
Thomas Farrell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Berkshire-County, Massachusetts
Our Model Tree links this Thomas Farrell across the 1920, 1930 and 1940 US Censuses in Berkshire-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Daniel & James — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkshire-County, Massachusetts |
| Surname | Farrell |
| Given Name | Thomas C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Pittsfield |
| 1935 Residence (County) | Berkshire |
| Additional Details | |
| Occupation | Adjuster |
| Industry | Investments |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Adjuster |
| Township / Ward | Pittsfield |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Farrell | Daughter | — | 26 | ~1914 |
| Francis Farrell | Son | — | 25 | ~1915 |
| Daniel Farrell | Son | — | 31 | ~1909 |
| Margaret Farrell | Daughter | — | 28 | ~1912 |
| Thomas Farrell | Son | — | 23 | ~1917 |
| Agnes Farrell | Head | — | 64 | ~1876 |
Census Appearances
1920
Berkshire, Massachusetts
Son, age 3
Berkshire, Massachusetts · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Thomas G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Berkshire, Massachusetts
Son, age 13
Berkshire, Massachusetts · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Thomas C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | No |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Berkshire-County, Massachusetts
Son, age 23
Berkshire-County, Massachusetts · implied b. ~1917 — 6 household members
| Surname | Farrell |
| Given Name | Thomas C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Pittsfield |
| 1935 Residence (County) | Berkshire |
| Occupation | Adjuster |
| Industry | Investments |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Thomas Farrell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Farrell (~0.92 confidence) and father James Farrell (~0.92 confidence) and mother Agnes Farrell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Farrell
b. ~1872
Source father
● Household
· direct · ~0.92
Father
James Farrell
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Agnes Farrell
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Farrell
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Gertrude Farrell
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Farrell
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Farrell
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Farrell
Sibling · 1940 · age 25
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 — Berkshire-County, Massachusetts
Open full size
1940 US Federal Census — Berkshire-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01569-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Delia T. Connolly | 65 | Sister | — | Eire |
| 2 | Michael J. Condron | 58 | Head | Plumber | Massachusetts |
| 3 | Mary L. Condron | 58 | Wife | — | Massachusetts |
| 4 | Mary E. Condron | 30 | Daughter | Operator | Massachusetts |
| 5 | Marjorie L. Condron | 28 | Daughter | Clerk | Massachusetts |
| 6 | Michael J. Jr. Condron | 27 | Son | Manager | Massachusetts |
| 7 | John F. Condron | 23 | Son | Manager | Massachusetts |
| 8 | Frank J. Condron | 22 | Son | New Worker | Massachusetts |
| 9 | Elizabeth F. Condron | 20 | Daughter | Stenographer | Massachusetts |
| 10 | Joseph F. Condron | 16 | Son | — | Massachusetts |
| 11 | Mary X. Cullen | 79 | Lodger | — | Massachusetts |
| 12 | John M. Cooney | 44 | Head | Owner | Massachusetts |
| 13 | F. Irene Cooney | 45 | Wife | — | Massachusetts |
| 14 | Marilyn R. Cooney | 21 | Daughter | Laboratory | Massachusetts |
| 15 | John R. Cooney | 20 | Son | — | Massachusetts |
| 16 | Robert J. Cooney | 16 | Son | — | Massachusetts |
| 17 | Irene M. Cooney | 13 | Daughter | — | Massachusetts |
| 18 | Anne L. Cooney | 8 | Daughter | — | Massachusetts |
| 19 | John L. Patnode | 58 | Head | Contractor | New York |
| 20 | Susan M. Patnode | 60 | Wife | — | New York |
| 21 | Isabelle M. Patnode | 33 | Daughter | Saleslady | Massachusetts |
| 22 | John J. Fahey | 38 | Head | Engineer | Massachusetts |
| 23 | Marion A. Fahey | 44 | Wife | Clerk | Massachusetts |
| 24 | Florence H. Fahey | 41 | Sister | School Teacher | Massachusetts |
| 25 | Nellie J. Scully | 78 | Aunt | — | Massachusetts |
| 26 | Clifford A. Montgomery | 34 | Head | Engineer | North Carolina |
| 27 | Edith E. Montgomery | 29 | Wife | — | North Carolina |
| 28 | James J. Devanny | 61 | Head | Undertaker | Massachusetts |
| 29 | Bridget Devanny | 62 | Wife | — | Eire |
| 30 | Joseph W. Condron | 49 | Head | Undertaker | Massachusetts |
| 31 | Mary A. Condron | 41 | Wife | — | Massachusetts |
| 32 | Rosalie M. Condron | 7 | Daughter | — | Massachusetts |
| 33 | Anne J. Wood | 80 | In-law | — | Massachusetts |
| 34 | Agnes C. Farrell | 64 | Head | — | Massachusetts |
| 35 | Daniel J. Farrell | 31 | Son | Agent | Massachusetts |
| 36 | Margaret M. Farrell | 28 | Daughter | Teacher | Massachusetts |
| 37 | Gertrude C. Farrell | 26 | Daughter | Stenographer | Massachusetts |
| 38 | Francis J. Farrell | 25 | Son | Adjuster | Massachusetts |
| 39 | Thomas C. Farrell THIS PERSON | 23 | Son | Adjuster | Massachusetts |
| 40 | Ellen J. Brett | 74 | Head | — | Eire |
Related Census Records
Pedigree Summary
Thomas + 4 siblings
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)