TM
Thomas Mcdonald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Thomas Mcdonald across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | McDonald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public school |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 134 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Teacher |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1909 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Grace Mcdonald | Spouse | — | 31 | ~1909 |
| Jane Mcdonald | Daughter | — | 2 | ~1938 |
| Thomas Mcdonald | Head | — | 31 | ~1909 |
Census Appearances
1920
Essex, New …
Son, age 10
Essex, New Jersey · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 20
Essex, New Jersey · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Chemical Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Head, age 31
Hudson-County, New Jersey · implied b. ~1909 — 3 household members
| Surname | McDonald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Teacher |
| Industry | Public school |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 134 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Thomas Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Mcdonald (~0.92 confidence) and mother Mary Mcdonald (~0.92 confidence) and father Thomas Mc Donald (~0.92 confidence) and mother Mary Mc Donald (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Mcdonald
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mary Mcdonald
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Thomas Mc Donald
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Mc Donald
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcdonald
Head · 1940 · age 31 · b. ~1909 · New Jersey
★ 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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02405-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edna Weigel | 31 | Wife | — | New York |
| 42 | Leah Weigel | 6 | Daughter | — | New York |
| 43 | Esther Weigel | 3 | Daughter | — | New York |
| 44 | Aaron Weigel | 1 | Son | — | New York |
| 45 | Sarah Heugel | 56 | Head | Machine Operator | Russia |
| 46 | Louis Goldman | 40 | Son-in-law | Proprietor | New York |
| 47 | Fannie Goldman | 33 | Daughter | Bookkeeper | New York |
| 48 | Judith Kriegel | 14 | Daughter | — | New Jersey |
| 49 | Aaron Goldman | 5 | Grandson | — | New Jersey |
| 50 | Alex Moderski | 43 | Head | Laborer | Poland |
| 51 | Kazimiera Moderski | 31 | Wife | — | Poland |
| 52 | Irene Moderski | 20 | Daughter | Salesgirl | New Jersey |
| 53 | Richard Moderski | 13 | Son | — | New Jersey |
| 54 | Gerald Hartnett | 28 | Son-in-law | Salesman | New Jersey |
| 55 | Sophie Hartnett | 25 | Daughter | Typist | New Jersey |
| 56 | John Keane | 55 | Head | Laborer | New Jersey |
| 57 | Ellen Keane | 55 | Wife | — | New Jersey |
| 58 | John Jr. Keane | 34 | Son | Attendant | New Jersey |
| 59 | George Keane | 33 | Son | Laborer | New Jersey |
| 60 | James Keane | 27 | Son | Gas Cutter | New Jersey |
| 61 | Gillian Keane | 24 | Daughter | — | New Jersey |
| 62 | Lucille Keane | 19 | Daughter | New Worker | New Jersey |
| 63 | Richard Keane | 16 | Son | — | New Jersey |
| 64 | William Jackson | 52 | Brother | Watchman | New Jersey |
| 65 | Catherine Coughlin | 72 | Head | — | Ireland |
| 66 | Catherine Carroll | 66 | Head | Secretary | Eire |
| 67 | Gene Carroll | 29 | Daughter | Inspector | New Jersey |
| 68 | Thomas Mcdonald THIS PERSON | 31 | Head | Teacher | New Jersey |
| 69 | Grace Mcdonald | 31 | Wife | — | New Jersey |
| 70 | Jane Mcdonald | 2 | Daughter | — | New Jersey |
| 71 | Anna Modzelewski | 51 | Head | Seamstress | Poland |
| 72 | Helen Modzelewski | 21 | Daughter | Domestic | New Jersey |
| 73 | Martha Fryer | 27 | Daughter | — | New Jersey |
| 74 | Delores Fryer | 6 | Daughter | — | New Jersey |
| 75 | Charles Lensky | 32 | Head | Truck Driver | New Jersey |
| 76 | Sophie Lensky | 26 | Wife | Seamstress | New Jersey |
| 77 | Charles Jr. Lensky | 9 | Son | — | New Jersey |
| 78 | Lorraine Lensky | 3 | Daughter | — | New Jersey |
| 79 | Thomas Mackiewicz | 54 | Head | — | Poland |
| 80 | Irene Mackiewicz | 20 | Wife | — | Poland |
Pedigree Summary
Thomas
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)