JC
James Caldwell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this James Caldwell across the 1910, 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Caldwell |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Age at First Marriage | Nev |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Brewery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Bookkeeper |
| Township / Ward | Newark City Pt |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Gladys Caldwell | Daughter | — | 19 | ~1911 |
| Velma Caldwell | Daughter | — | 14 | ~1916 |
| James Caldwell | Head | — | 49 | ~1881 |
| George Caldwell | Son | — | 16 | ~1914 |
| James Caldwell | Son | — | 21 | ~1909 |
| William Caldwell | Son | — | 18 | ~1912 |
| Harriet Caldwell | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Essex, New …
Son, age 1
Essex, New Jersey · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | James P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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
Essex, New …
Son, age 11
Essex, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | James P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Essex, New …
Son, age 21
Essex, New Jersey · implied b. ~1909 — 7 household members
| Surname | Caldwell |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Age at First Marriage | Nev |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Bookkeeper |
| Industry | Brewery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Caldwell across 3 US Census years (1910, 1920 and 1930) in Essex, New Jersey, using XGBoost record linkage. Identified parents: father James Caldwell (~0.92 confidence) and father James Caldwell (~0.92 confidence) and mother Harriet Caldwell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Caldwell
b. ~1881
Source father
● Household
· direct · ~0.92
Father
James Caldwell
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Harriet Caldwell
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Caldwell
Son · 1930 · age 21 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Gladys Caldwell
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Caldwell
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Caldwell
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Caldwell
Sibling · 1930 · age 18
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
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1339:0188)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel F. Bentley | 50 | Head | Electrician | Pennsylvania |
| 2 | Herbert A. Bentley | 52 | Boarder | Electrician | Pennsylvania |
| 3 | John J. Goff | 44 | Head | Solicitor | New York |
| 4 | Kathryn Goff | 47 | Wife | — | Pennsylvania |
| 5 | Mildred H. Goff | 23 | Daughter | Forelady | Pennsylvania |
| 6 | Gordon Maxwell | 75 | Head | — | Scotland |
| 7 | Jannett Maxwell | 40 | Daughter | — | New York |
| 8 | John Gould | 38 | Boarder | Print Operator | New Jersey |
| 9 | William Quell | 66 | Boarder | Book Binder | Denmark |
| 10 | John J. Smith | 42 | Head | Can Maker | New Jersey |
| 11 | Elyda Smith | 40 | Wife | — | Ohio |
| 12 | John M. Smith | 15 | Son | — | New Jersey |
| 13 | Irene Smith | 14 | Daughter | — | New Jersey |
| 14 | Harry Smith | 12 | Son | — | New Jersey |
| 15 | Edward Smith | 9 | Son | — | New Jersey |
| 16 | Alice Smith | 7 | Daughter | — | New Jersey |
| 17 | Joseph Westwood | 30 | Brother-in-law | Lather | New Jersey |
| 18 | Peter Molinari | 54 | Head | Barber | Italy |
| 19 | Anna Molinari | 38 | Wife | — | New Jersey |
| 20 | Christina Molinari | 18 | Daughter | Box Maker | New Jersey |
| 21 | Joseph Molinari | 20 | Son | Auto Mech | New Jersey |
| 22 | Morris Molinari | 16 | Son | Barber App. | New Jersey |
| 23 | Francis Molinari | 12 | Daughter | — | New Jersey |
| 24 | Josephine Molinari | 8 | Daughter | — | New Jersey |
| 25 | Albert Molinari | 14 | Son | — | New Jersey |
| 26 | Anna Molinari | 6 | Daughter | — | New Jersey |
| 27 | John F. O'Reilly | 44 | Head | Millwright | New Jersey |
| 28 | Barbara O'Reilly | 17 | Wife | — | New Jersey |
| 29 | Helen O'Reilly | 7 | Daughter | — | New Jersey |
| 30 | James O'Reilly | 30 | Brother | — | New Jersey |
| 31 | Walter R. Campbell | 37 | Head | Inspector | New Jersey |
| 32 | Eliza Campbell | 33 | Wife | — | New Jersey |
| 33 | Harold O. Campbell | 12 | Son | — | New Jersey |
| 34 | Walter L. Campbell | 10 | Son | — | New Jersey |
| 35 | Elizabeth F. Campbell | 7 | Daughter | — | New Jersey |
| 36 | Nancy Campbell | 5 | Daughter | — | New Jersey |
| 37 | Bruce L. Campbell | 4 | Son | — | New Jersey |
| 38 | James S. Caldwell | 49 | Head | Salesman | New Jersey |
| 39 | Harriet Caldwell | 45 | Wife | — | New Jersey |
| 40 | James F. Caldwell THIS PERSON | 21 | Son | Bookkeeper | New Jersey |
| 41 | Gladys Caldwell | 19 | Daughter | Telephone Op | New Jersey |
| 42 | William Caldwell | 18 | Son | Bank Clerk | New Jersey |
| 43 | George Caldwell | 16 | Son | — | New Jersey |
| 44 | Velma Caldwell | 14 | Daughter | — | New Jersey |
| 45 | Anna Rocklin | 48 | Head | — | Germany |
| 46 | Florence Rocklin | 20 | Daughter | Private Secty | New York |
| 47 | Anna Rocklin | 13 | Daughter | — | New Jersey |
| 48 | Joseph Buccino | 43 | Head | Driver | New Jersey |
| 49 | Helen Buccino | 36 | Wife | — | England |
| 50 | James Buccino | 3 | Son | — | New Jersey |
Pedigree Summary
James + 4 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 1930 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)