MF
Margaret Farrell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Margaret Farrell across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Charles & Thomas — first a spouse (b.~1914), then head of a 8-person household.
Age 26
b. ~1914
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Guillory | Spouse | — | 29 | ~1911 |
| Joseph Farrell | Head | — | 26 | ~1914 |
| Rosalie Guillory | Daughter | — | 8 | ~1932 |
| Raymond Farrell | Son | — | 5 | ~1935 |
| Richard Guillory | Son | — | 9 | ~1931 |
| Patricia Farrell | Daughter | — | 5 | ~1935 |
| Louis Farrell | Son | — | 7 | ~1933 |
| Margaret Farrell | Spouse | — | 26 | ~1914 |
Census Appearances
1920
New York, …
Daughter, age 5
New York, New York · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Daughter, age 15
Kings, New York · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Spouse, age 26
Kings-County, New York · implied b. ~1914 — 8 household members
| Surname | Farrell |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Margaret Farrell across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Farrell (~0.92 confidence) and father Thomas Farrell (~0.92 confidence) and mother Anna Farrell (~0.92 confidence) and mother Estella Farrell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Farrell
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Thomas Farrell
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Anna Farrell
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Estella Farrell
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Farrell
Spouse · 1940 · age 26 · b. ~1914 · New York
★ 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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02567-00578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ivy Fong | 32 | wife | — | Russia |
| 2 | Anthony Fong | 10 | son | — | New York |
| 3 | Jennie Fong | 8 | daughter | — | New York |
| 4 | Anna Fong | 5 | daughter | — | New York |
| 5 | Joe Fong | 3 | son | — | New York |
| 6 | Helen Fong | 2 | daughter | — | New York |
| 7 | Frank Fong | 1 | son | — | New York |
| 8 | Michael Leary | 56 | Head | Manager | Canada-English |
| 9 | Bridget Leary | 58 | wife | — | Canada-Irish |
| 10 | Cora L. Hart | 55 | Head | — | Kansas |
| 11 | Cora L. Hart | 27 | daughter | Insurance Broker | New York |
| 12 | Leo Kelly | 43 | Head | Office Clerk | New York |
| 13 | Cleada Kelly | 30 | wife | — | New York |
| 14 | Lorraine Kelly | 7 | daughter | — | New York |
| 15 | Robert Kelly | 3 | son | — | New York |
| 16 | Henry Heimlein | 40 | Head | Steamfitter Helper | New York |
| 17 | Agnes Heimlein | 34 | wife | — | Scotland |
| 18 | Henry Heimlein | 5 | son | — | New York |
| 19 | Joseph Farrell | 26 | Head | Traffic Officer | New York |
| 20 | Margaret Farrell THIS PERSON | 26 | wife | — | New York |
| 21 | Louis Farrell | 7 | son | — | New York |
| 22 | Raymond Farrell | 5 | son | — | New York |
| 23 | Patricia Farrell | 5 | daughter | — | New York |
| 25 | Margaret Guillory | 29 | wife | — | Jersey City |
| 26 | Richard Guillory | 9 | son | — | California |
| 27 | Rosalie Guillory | 8 | daughter | — | New York |
| 28 | Marion Taylor | 40 | Head | 104 County Jail | New York |
| 29 | Jacqueline Kaslowska | 21 | daughter | — | New York |
| 30 | Joseph Kaslowska | 29 | son in law | Shipping Clerk | New York |
| 31 | Minnie La Bar | 73 | mother | Stationing Agent | New York |
| 32 | Jean La Bar | 15 | grand daughter | — | New York |
| 33 | Mary Reilly | 55 | Head | — | New York |
| 34 | Phillip Reilly | 31 | son | City Employee | New York |
| 35 | Robert Reilly | 27 | son | Fireman | New York |
| 36 | George Reilly | 25 | son | Traffic Manager | New York |
| 37 | James Graham | 58 | Head | Foreman Machinist | Scotland |
| 38 | Agnes Graham | 58 | wife | — | Scotland |
| 39 | Isaac Graham | 56 | brother | Porter | Scotland |
| 40 | Alice Millie | 34 | daughter | 78 Public Health Service | Scotland |
Pedigree Summary
Margaret
Gen 1 · 4 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)