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James Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this James Sullivan across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents William & Marguerite — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Clerk |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 664 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Elizabeth |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Florence Sullivan | Daughter | — | 34 | ~1906 |
| Marguerite Sullivan | Head | — | 64 | ~1876 |
| James Sullivan | Son | — | 30 | ~1910 |
| Joseph Sullivan | Son | — | 33 | ~1907 |
Census Appearances
1920
Union, New …
Son, age 8
Union, New Jersey · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Son, age 19
Union, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 30
Union-County, New Jersey · implied b. ~1910 — 4 household members
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Occupation | Clerk |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 664 |
| Highest Grade | Hs 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 James Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Sullivan (~0.92 confidence) and mother Marguerite Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sullivan
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Marguerite Sullivan
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Sullivan
Son · 1940 · age 30 · b. ~1910 · New Jersey
★ You are viewing this record
Sibling
Joseph Sullivan
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Sullivan
Sibling · 1940 · age 34
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02399-00136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marguerite Sullivan | 64 | Head | — | New Jersey |
| 42 | Joseph Sullivan | 33 | Son | Milk Man | New Jersey |
| 43 | James Sullivan THIS PERSON | 30 | Son | Clerk | New Jersey |
| 44 | Florence Sullivan | 34 | Daughter | — | New Jersey |
| 45 | Otto Yahnke | 56 | Head | Mechanic | Penna. |
| 46 | Sara Yahnke | 21 | Wife | — | New Jersey |
| 47 | Emma Yahnke | 21 | Daughter | Operator | New Jersey |
| 48 | Harry Panitch | 39 | Head | Salesman | Russia |
| 49 | Hannah Panitch | 35 | Wife | — | Russia |
| 50 | John Panitch | 14 | Son | — | New Jersey |
| 51 | Gloria Panitch | 13 | Daughter | — | New Jersey |
| 52 | Charlotte Panitch | 12 | Daughter | — | New Jersey |
| 53 | Rose Panitch | 5 | Daughter | — | New Jersey |
| 54 | Arleen Panitch | 1 | Daughter | — | New Jersey |
| 55 | Thomas J. Kelly | 67 | Head | — | New Jersey |
| 56 | Agnes Kelly | 65 | Wife | — | New Jersey |
| 57 | Edna Kelly | 25 | Daughter | Dictaphone Operator | New Jersey |
| 58 | Catherine Kelly | 24 | Daughter | New Worker | New Jersey |
| 59 | Phillip Komisar | 52 | Head | Manager | Russia |
| 60 | Elsie Komisar | 45 | Wife | — | Russia |
| 61 | William Komisar | 20 | Son | — | New Jersey |
| 62 | Michael O'Hara | 69 | Head | Laborer | Eire |
| 63 | Catherine O'Hara | 56 | Wife | — | New York |
| 64 | Edward O'Hara | 31 | Son | Stock Clerk | Conn. |
| 65 | John J. Sullivan | 37 | Head | Electrician | New Jersey |
| 66 | Helen Sullivan | 35 | Wife | — | New Jersey |
| 67 | John J. Jr. Sullivan | 5 | Son | — | New Jersey |
| 68 | Helen Sullivan | 3 | Daughter | — | New Jersey |
| 69 | Charles Beck | 36 | Head | Attendant | Penna. |
| 70 | Anne Beck | 33 | Wife | — | Penna. |
| 71 | Rose M. Beck | 5 | Daughter | — | Penna. |
| 72 | Howard Craig | 51 | Head | — | Penna. |
| 73 | Sadie Craig | 57 | Wife | — | Penna. |
| 74 | Mary Craig | 20 | Daughter | Salesgirl | Penna. |
| 75 | William Geeking | 29 | Son | Salesman | Penna. |
| 76 | Carrie Kenning | 31 | Sister | Waitress | Penna. |
| 77 | Gladys Kenning | 11 | Child | — | Penna. |
| 78 | Michael Leil | 64 | Head | — | Austria |
| 79 | Elizabeth Leil | 58 | Wife | Polisher | Austria |
| 80 | Frank Leil | 32 | Son | Laborer | Austria |
Related Census Records
Pedigree Summary
James + 2 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)