JC
James Case — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this James Case across the 1910, 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents Herbert & William — first a son (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Case |
| Given Name | James Clark |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield City |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Clerical |
| Industry | Building Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerical |
| Township / Ward | Plainfield City |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Mary Case | Spouse | — | 61 | ~1879 |
| Frank Case | Son | — | 23 | ~1917 |
| James Case | Son | — | 34 | ~1906 |
| William Case | Head | — | 62 | ~1878 |
Census Appearances
1910
Union, New …
Son, age 3
Union, New Jersey · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 |
1920
Union, New …
Son, age 13
Union, New Jersey · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Son, age 23
Union, New Jersey · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 34
Union-County, New Jersey · implied b. ~1906 — 4 household members
| Surname | Case |
| Given Name | James Clark |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield City |
| 1935 Residence (County) | Union |
| Occupation | Clerical |
| Industry | Building Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2000 |
| 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 James Case across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Case (~0.92 confidence) and father William Case (~0.92 confidence) and mother Alice Case (~0.92 confidence) and mother Alice Case (~0.92 confidence) and mother Alice Case (~0.92 confidence) and mother Mary Case (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Case
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Case
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Alice Case
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Alice Case
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Alice Case
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Case
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Case
Son · 1940 · age 34 · b. ~1906 · New Jersey
★ You are viewing this record
Sibling
Frank Case
Sibling · 1940 · age 23
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-t0627-02387-00876)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Martin | 59 | Head | — | New Jersey |
| 2 | Theodore Martin | 27 | Son | Clerical | New Jersey |
| 3 | Leonard Dawson | 48 | Head | Pullman Conductor | Pennsylvania |
| 4 | Ethel Dawson | 31 | Wife | — | West Virginia |
| 5 | Ethel Dawson | 5 | Daughter | — | New Jersey |
| 6 | Millard Smith | 12 | Step-son | — | West Virginia |
| 7 | Florence Meredith | 67 | Head | — | New Jersey |
| 8 | Raymond Meredith | 30 | Son | Brakeman | New Jersey |
| 9 | Edgar Meredith | 25 | Son | Bank Helper | New Jersey |
| 10 | Florence Myers | 37 | Daughter | — | New Jersey |
| 11 | Florence Myers | 18 | Granddaughter | Salesclerk | New Jersey |
| 12 | Leonard Young | 45 | Head | Policeman | New Jersey |
| 13 | Alice L. Young | 43 | Wife | — | New Jersey |
| 14 | Leonard G. Young | 17 | Son | — | New Jersey |
| 15 | Doris V. Young | 15 | Daughter | — | New Jersey |
| 16 | Mary Harder | 75 | Mother-in-law | — | England |
| 17 | Alice Slorah | 57 | Head | — | New Jersey |
| 18 | Robert R. Slorah | 25 | Son | Clerical | New Jersey |
| 19 | Emily Rimmer | 77 | Mother | — | England |
| 20 | William Case | 62 | Head | Machinist | New Jersey |
| 21 | Mary E. Case | 61 | Wife | — | New Jersey |
| 22 | James Clark Case THIS PERSON | 34 | Son | Clerical | New Jersey |
| 23 | Frank Joseph Case | 23 | Son | Clerical | New Jersey |
| 24 | Robert P. Meyers | 52 | Head | Manager | New York |
| 25 | Marguerite M. Meyers | 48 | Wife | — | New Jersey |
| 26 | Rita Watson | 33 | Daughter | Operator | New Jersey |
| 27 | Robert Watson | 20 | Son | Mechanic | New Jersey |
| 28 | John Skjerback | 67 | Head | Tinsmith | Norway |
| 29 | Anne Skjerback | 65 | Wife | — | Norway |
| 30 | Hazel Skjerback | 30 | Daughter | Clerical | New Jersey |
| 31 | — | None | — | — | — |
| 32 | Steff A. Wierzba | 48 | Head | Baker | Poland |
| 33 | Stella Wierzba | 30 | Wife | Helper | Poland |
| 34 | Clara Wierzba | 10 | Daughter | — | New Jersey |
| 35 | Marian Wierzba | 5 | Daughter | — | New Jersey |
| 36 | Patrick Culliney | 56 | Head | Forester | Ireland |
| 37 | Delia Culliney | 57 | Wife | — | Ireland |
| 38 | Michael Morrow | 65 | Head | — | Eire |
| 39 | Joseph W. Morrow | 29 | Son | Clerk | New Jersey |
| 40 | Gertrude Morrow | 22 | Daughter-in-law | — | New Jersey |
Related Census Records
Pedigree Summary
James + 1 sibling
Gen 1 · 6 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)