MG
Margaret Green — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Margaret Green across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Green |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steam Turbine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Green | Daughter | — | 20 | ~1920 |
| Agnes Green | Daughter | — | 18 | ~1922 |
| Margaret Green | Daughter | — | 21 | ~1919 |
| Thomas Green | Head | — | 59 | ~1881 |
| Minnie Green | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Mercer, New …
Daughter, age
Mercer, New Jersey · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Daughter, age 11
Mercer, New Jersey · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Margaret R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Daughter, age 21
Mercer-County, New Jersey · implied b. ~1919 — 5 household members
| Surname | Green |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Clerk |
| Industry | Steam Turbine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Green across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Green (~0.92 confidence) and father Thomas Green (~0.92 confidence) and father Thomas Green (~0.92 confidence) and mother Minnie Green (~0.92 confidence) and mother Minnie Green (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Green
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Thomas Green
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Thomas Green
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Minnie Green
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Minnie Green
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Green
Daughter · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Agnes Green
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Green
Sibling · 1940 · age 20
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02437-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John G. Van Buskirk | 58 | Head | Investigator | New York |
| 42 | Paul S. Mullens | 41 | Son-in-law | Investigator | New Jersey |
| 43 | Dorothy G. Mullens | 35 | Daughter | — | New Jersey |
| 44 | Paul S. Jr. Mullens | 14 | Grandson | — | New Jersey |
| 45 | Jack Mullens | 12 | Grandson | — | New Jersey |
| 46 | Louis Grover | 45 | Head | — | New Jersey |
| 47 | Edgar Meagher | 41 | Nephew | Clerical Work | New York |
| 48 | Richard Gledhill | 62 | Boarder | Agent | New York |
| 49 | Frederick W. Heilman | 39 | Head | Agent | New Jersey |
| 50 | Kathryn M. Heilman | 35 | Wife | — | New Jersey |
| 51 | Frederick Heilman | 10 | Son | — | New Jersey |
| 52 | Kathryn Anne Heilman | 8 | Daughter | — | New Jersey |
| 53 | Robert Heilman | 3 | Son | — | New Jersey |
| 54 | Bruce Heilman | 1 | Son | — | New Jersey |
| 55 | Anna Heilman | 62 | Mother | — | New Jersey |
| 56 | Raymond B. Libovitz | 48 | Head | Editorial Writer | New Jersey |
| 57 | Mildred M. Libovitz | 35 | Wife | — | New Jersey |
| 58 | Raymond A. Libovitz | 6 | Son | — | New Jersey |
| 59 | David J. Libovitz | 4 | Son | — | New Jersey |
| 60 | Max Hofstein | 42 | Head | Owner | Roumania |
| 61 | Helen Hofstein | 38 | Wife | — | Poland |
| 62 | Joel Hofstein | 18 | Son | Shipping Clerk | New York |
| 63 | William C. Jr. Matlack | 43 | Head | Trust Officer | New Jersey |
| 64 | Helen R. A. Matlack | 47 | Wife | — | New Jersey |
| 65 | Robert A. B. Crooley | 40 | Head | Salesman | West Virginia |
| 66 | Mary G. Crooley | 37 | Wife | — | Pennsylvania |
| 67 | Robert D. Crooley | 15 | Son | Salesman | New Jersey |
| 68 | Jennie M. Crooley | 65 | Mother | Saleswoman | West Virginia |
| 69 | Thomas K. Green | 59 | Head | Salesman | New Jersey |
| 70 | Minnie M. Green | 50 | Wife | — | New Jersey |
| 71 | Mary W. Green | 20 | Daughter | — | New Jersey |
| 72 | Margaret Green THIS PERSON | 21 | Daughter | Clerk | New Jersey |
| 73 | Agnes Green | 18 | Daughter | — | New Jersey |
| 74 | D. Vander Meulen | 46 | Head | — | New Jersey |
| 75 | Dorothy E. Vander Meulen | 22 | Daughter | Stenographer | New Jersey |
| 76 | Ruth A. Vander Meulen | 20 | Daughter | Stenographer | New Jersey |
| 77 | Charles L. Vander Meulen | 19 | Son | Steel Worker | New Jersey |
| 78 | Mildred M. Vander Meulen | 15 | Daughter | — | New Jersey |
| 79 | George S. Newton | 41 | Head | Supervisor Of Buildings | New Jersey |
| 80 | Ruth Z. Newton | 36 | Wife | — | New Jersey |
Pedigree Summary
Margaret + 2 siblings
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)