JT
John Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this John Thomas across the 1920, 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Arthur & Sarah — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Perth Amboy City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Clerk |
| Industry | Chemical Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1520 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Clerk |
| Township / Ward | Perth Amboy City |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Thomas | Head | — | 30 | ~1910 |
| John Thomas | Son | — | ~1940 | |
| Margaret Thomas | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Union, New …
Son, age 9
Union, New Jersey · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1910 |
| Naturalization Status | First papers filed |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Middlesex, New …
Son, age 20
Middlesex, New Jersey · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | England |
| Naturalization Status | First papers filed |
| Year of Immigration | 1910 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Finisher |
| Industry | Dental Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, New …
Head, age 30
Middlesex-County, New Jersey · implied b. ~1910 — 3 household members
| Surname | Thomas |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Perth Amboy City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Clerk |
| Industry | Chemical Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1520 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 John Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Arthur Thomas (~0.92 confidence) and mother Sarah Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Thomas
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Sarah Thomas
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thomas
Head · 1940 · age 30 · b. ~1910 · 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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02362-00130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Dunger | 41 | Wife | Fur Finisher | New Jersey |
| 42 | Maynard Peterson | 27 | Head | Tile Presser | New Jersey |
| 43 | Catherine Peterson | 21 | Wife | Stenographer | New Jersey |
| 44 | Victoria Barry | 57 | Head | — | France |
| 45 | Helen Barry | 30 | Daughter | Time Keeper | France |
| 46 | Matte Finn | 43 | Head | — | Denmark |
| 47 | Henry Finn | 31 | Head | Milk Salesman | New Jersey |
| 48 | Gladys Finn | 31 | Wife | — | New Jersey |
| 49 | Robert Finn | 6 | Son | — | New Jersey |
| 50 | Clifford Finn | 5 | Son | — | New Jersey |
| 51 | Mary Hovan | 42 | Head | Operator | Czechoslovakia |
| 52 | Helen Hovan | 13 | Daughter | — | New Jersey |
| 53 | Mary Hovan | 71 | Mother-in-law | — | Czechoslovakia |
| 54 | Andrew Totin | 22 | Son-in-law | Pipe Fitter | New Jersey |
| 55 | Irene Totin | 19 | Daughter | Operator | New Jersey |
| 56 | John Thomas THIS PERSON | 30 | Head | Clerk | England |
| 57 | Margaret Thomas | 28 | Wife | — | New Jersey |
| 58 | John Thomas | 0 | Son | — | New Jersey |
| 59 | Peter Boyesen | 64 | Head | Seaman | Norway |
| 60 | Elizabeth Boyesen | 55 | Wife | — | Connecticut |
| 61 | Christopher Boyesen | 31 | Son | Laborer | Connecticut |
| 62 | John Bulshok | 53 | Head | Carpenter | New York |
| 63 | Anna Bulshok | 47 | Wife | — | New York |
| 64 | John Jr. Bulshok | 17 | Son | — | New Jersey |
| 65 | Susan Bulshok | 13 | Daughter | — | New Jersey |
| 66 | Vincent Rendu | 47 | Head | Inspector | Italy |
| 67 | Susan Rendu | 49 | Wife | — | Italy |
| 68 | Rose Rendu | 18 | Daughter | Beautician | New Jersey |
| 69 | Leo Bulvanoski | 49 | Head | Clerk | New Jersey |
| 70 | Hermina Bulvanoski | 48 | Wife | — | New York |
| 71 | Florence Bulvanoski | 24 | Daughter | Nurse | New Jersey |
| 72 | Agnes Bulvanoski | 22 | Daughter | Nurse | New Jersey |
| 73 | Josephine Bulvanoski | 21 | Daughter | Stenographer | New Jersey |
| 74 | Leo Jr. Bulvanoski | 21 | Son | — | New Jersey |
| 75 | Frank Tonghini | 48 | Head | Sergeant | New York |
| 76 | Mamie Tonghini | 42 | Wife | — | New Jersey |
| 77 | Ida Tonghini | 17 | Daughter | Sales Clerk | New Jersey |
| 78 | Marion Tonghini | 13 | Daughter | — | New Jersey |
| 79 | James Tonghini | 15 | Son | — | New Jersey |
| 80 | Ellen Lindbaum | 55 | Head | — | Sweden |
Pedigree Summary
John
Gen 1 · 2 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)