JB
James Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hillsborough-County, New Hampshire
Our Model Tree links this James Brock across the 1930 and 1940 US Censuses in Hillsborough-County, New Hampshire (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hillsborough-County, New Hampshire |
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Manchester city |
| 1935 Residence (County) | Hillsborough |
| Additional Details | |
| Occupation | Dyer |
| Industry | Dye house |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 680 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Dyer |
| Township / Ward | Manchester City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Edwin Brock | Son | — | 16 | ~1924 |
| James Brock | Son | — | 21 | ~1919 |
| Loretta Brock | Spouse | — | 45 | ~1895 |
| Warren Brock | Son | — | 18 | ~1922 |
| Maurice Brock | Head | — | 48 | ~1892 |
Census Appearances
1930
Hillsborough, New …
Son, age 12
Hillsborough, New Hampshire · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Maine |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Hillsborough-County, New …
Son, age 21
Hillsborough-County, New Hampshire · implied b. ~1919 — 5 household members
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Manchester city |
| 1935 Residence (County) | Hillsborough |
| Occupation | Dyer |
| Industry | Dye house |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 680 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 · 1940 · age 21 · b. ~1919 · New Hampshire
★ You are viewing this record
Sibling
Edwin Brock
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Brock
Sibling · 1940 · 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
1940 US Federal Census — Hillsborough-County, New Hampshire
Open full size
1940 US Federal Census — Hillsborough-County, New Hampshire
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02291-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Cushman | 61 | Head | Principal | Massachusetts |
| 42 | Mary Q. Cushman | 52 | Wife | — | Massachusetts |
| 43 | Mary A. Cushman | 25 | Daughter | Office Manager | Massachusetts |
| 44 | Elizabeth Cushman | 21 | Daughter | — | Massachusetts |
| 45 | Arthur J. Dubois | 49 | Head | Salesman | Canada French |
| 46 | Corrinne E. Dubois | 57 | Wife | Bookkeeper | New Hampshire |
| 47 | Inez Dubois | 20 | Daughter | Medical Secretary | New Hampshire |
| 48 | Edward Conroy | 52 | Head | Chauffeur | New Hampshire |
| 49 | Helen D. Conroy | 48 | Wife | — | New Hampshire |
| 50 | Dorothea Conroy | 21 | Daughter | New Worker | New Hampshire |
| 51 | Jean Conroy | 11 | Daughter | — | New Hampshire |
| 52 | Jane Conroy | 11 | Daughter | — | New Hampshire |
| 53 | John Mccarthy | 57 | Head | Salesman | Massachusetts |
| 54 | Eveline O. Mccarthy | 54 | Wife | — | Massachusetts |
| 55 | John A. Mccarthy | 23 | Son | Polish Boy | Massachusetts |
| 56 | Ruth Mccarthy | 21 | Daughter | Clerk | New Hampshire |
| 57 | Catherine Mccarthy | 15 | Daughter | — | New Hampshire |
| 58 | Wilfred J. Le Boeuf | 46 | Head | Manager | New York |
| 59 | Valeda E. Le Boeuf | 47 | Wife | — | New Hampshire |
| 60 | Nathalie Le Boeuf | 21 | Daughter | Operator | New Hampshire |
| 61 | — | None | — | — | — |
| 62 | Irving Colby | 44 | Head | Manager | Massachusetts |
| 63 | Blanche L. Colby | 48 | Wife | Office | Maine |
| 64 | C. Percy Harkbon | 27 | Head | Printer | Michigan |
| 65 | H. Clara Harkbon | 67 | Wife | — | Rhode Island |
| 66 | Ernest T. Kimball | 44 | Head | Purchasing Agent | New Hampshire |
| 67 | Winifred E. Kimball | 48 | Wife | — | New York |
| 68 | Ruth Kimball | 20 | Daughter | Teacher | New Hampshire |
| 69 | Annie L. Sautelle | 75 | Head | — | New Hampshire |
| 70 | Lanetta Sautelle | 52 | Daughter | Teacher | New Hampshire |
| 71 | Eleanor Sautelle | 40 | Daughter | Social Worker | New Hampshire |
| 72 | William J. Hennessy | 27 | Head | Salesman | Massachusetts |
| 73 | Dorothea Hennessy | 24 | Wife | — | Massachusetts |
| 74 | Maurice Brock | 48 | Head | Mechanical Engineer | New Hampshire |
| 75 | Loretta Brock | 45 | Wife | — | New Hampshire |
| 76 | James Brock THIS PERSON | 21 | Son | Dyer | New Hampshire |
| 77 | Warren Brock | 18 | Son | — | New Hampshire |
| 78 | Edwin A. Brock | 16 | Son | — | New Hampshire |
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)