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James Brock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this James Brock across the 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 5
b. ~1925
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Brock | Son | — | 5 | ~1925 |
| May Brock | Daughter | — | 9 | ~1921 |
| Francis Brock | Son | — | 1 | ~1929 |
| Catherine Brock | Daughter | — | ~1930 | |
| Thomas Brock | Son | — | 10 | ~1920 |
| May Brock | Spouse | — | 32 | ~1898 |
| Clare Brock | Daughter | — | 6 | ~1924 |
| Thomas Brock | Head | — | 35 | ~1895 |
| Viola Brock | Daughter | — | 3 | ~1927 |
Census Appearances
1930
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1925 — 9 household members
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 |
1940
Hudson-County, New …
Son, age 15
Hudson-County, New Jersey · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Breck |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Hours Worked | 0 |
| Highest Grade | H 1 |
| 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 James Brock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Brock
Son · 1930 · age 5 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Viola Brock
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Brock
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Brock
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clare Brock
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Brock
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Brock
Sibling · 1930 · age 9
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 — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1353:0127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha M O'Mara | 15 | Daughter | — | New York |
| 2 | Phoebe J O'Mara | 13 | Daughter | — | New York |
| 3 | Thomas O'Mara | 11 | Son | — | New York |
| 4 | Cornelius O'Mara | 9 | Son | — | New Jersey |
| 5 | Marianna O'Mara | 7 | Daughter | — | New Jersey |
| 6 | John O'Mara | 5 | Son | — | New Jersey |
| 7 | Regina O'Mara | 1 | Daughter | — | New Jersey |
| 8 | John Wanach | 67 | Head | Laborer | Poland |
| 9 | Amelia Wanach | 54 | Wife | — | Germany |
| 10 | George E Wanach | 18 | Son | Machine Hand | Pennsylvania |
| 11 | Marie E Lauch | 23 | Daughter | — | Pennsylvania |
| 12 | Scott N Lauch | 29 | Son-in-law | Helper | Pennsylvania |
| 13 | John X Lauch | 6 | Gr. Son | — | Pennsylvania |
| 14 | George E Lauch | 4 | Gr. Son | — | Pennsylvania |
| 15 | Albert R Lauch | 2 | Gr. Son | — | Pennsylvania |
| 16 | Frederick F Jones | 27 | Head | Chauffeur | Pennsylvania |
| 17 | Josephine E Jones | 23 | Wife | Typist | Irish Free State |
| 18 | Robert E Burton | 29 | Head | Patrolman | New York |
| 19 | Ruth Burton | 27 | Wife | — | England |
| 20 | Ruth A Burton | 7 | Daughter | — | New Jersey |
| 21 | Lillian J Burton | 4 | Daughter | — | New Jersey |
| 22 | Morris Seigelman | 40 | Head | Carpenter | Russia |
| 23 | Yetta Seigelman | 42 | Wife | — | Russia |
| 24 | Ida Seigelman | 17 | Daughter | — | New Jersey |
| 25 | Leon Seigelman | 13 | Son | — | New Jersey |
| 26 | Daniel Seigelman | 4 | Son | — | New Jersey |
| 27 | Bertha E Taylor | 29 | Head | — | New Jersey |
| 28 | Hazel E Taylor | 8 | Daughter | — | New Jersey |
| 29 | Eugene Taylor | 7 | Son | — | New Jersey |
| 30 | Agnes Taylor | 6 | Daughter | — | New Jersey |
| 31 | Lenard Taylor | 5 | Son | — | New Jersey |
| 32 | Michael Simon | 60 | Head | Tailor | Romania |
| 33 | Sophia Simon | 50 | Wife | — | Romania |
| 34 | Joseph Sweeney | 37 | Head | Advertising | New Jersey |
| 35 | Mary Sweeney | 35 | Wife | — | New Jersey |
| 36 | Mary B Sweeney | 12 | Daughter | — | New Jersey |
| 37 | Margaret Sweeney | 8 | Daughter | — | New Jersey |
| 38 | Eileen Sweeney | 7 | Daughter | — | New Jersey |
| 39 | Joan T Sweeney | 4 | Daughter | — | New Jersey |
| 40 | Catherine Somers | 22 | Sister-in-law | — | New Jersey |
| 41 | Margaret Somers | 21 | Sister-in-law | Clerk | New Jersey |
| 42 | Thomas H Brock | 35 | Head | Car Inspector | New Jersey |
| 43 | May Brock | 32 | Wife | — | New Jersey |
| 44 | Thomas H Brock | 10 | Son | — | New Jersey |
| 45 | May Brock | 9 | Daughter | — | New Jersey |
| 46 | Clare Brock | 6 | Daughter | — | New Jersey |
| 47 | James Brock THIS PERSON | 5 | Son | — | New Jersey |
| 48 | Viola Brock | 3 | Daughter | — | New Jersey |
| 49 | Francis Brock | 1 | Son | — | New Jersey |
| 50 | Catherine Brock | 0 | Daughter | — | New Jersey |
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)