HB
Harold Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Harold Brown across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Emma — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Trenton N.J. |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 993 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Carpenter |
| Township / Ward | Trenton Nj |
| 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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Brown | Daughter | — | 7 | ~1933 |
| Harold Brown | Head | — | 34 | ~1906 |
| Ronald Brown | Son | — | 12 | ~1928 |
| Margaret Brown | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Mercer, New …
Son, age 14
Mercer, New Jersey · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Mercer, New …
Head, age 25
Mercer, New Jersey · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Wire mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 1400 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Mercer-County, New …
Head, age 34
Mercer-County, New Jersey · implied b. ~1906 — 4 household members
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Trenton N.J. |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Naturalized |
| Occupation | Carpenter |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 993 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Harold Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Brown (~0.92 confidence) and mother Emma Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Emma Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Brown
Head · 1940 · age 34 · b. ~1906 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02356-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John C. Stewart | 29 | Head | Printer | New Jersey |
| 2 | Doris Stewart | 27 | Wife | — | New Jersey |
| 3 | Doris J. Stewart | 5 | Daughter | — | New Jersey |
| 4 | Marjoria Davis | 63 | Mother-in-law | — | England |
| 5 | William Queratend | 37 | Head | Gunsmith | New Jersey |
| 6 | Olive Queratend | 37 | Wife | Lining | England |
| 7 | Grace Queratend | 11 | Daughter | — | New Jersey |
| 8 | William Queratend | 6 | Son | — | New Jersey |
| 9 | Robert Queratend | 5 | Son | — | New Jersey |
| 10 | Harriett Morgan | 72 | Mother-in-law | — | New Jersey |
| 11 | Augusta Verhabend | 67 | Head | — | Germany |
| 12 | Gustav Verhabend | 49 | Son | Laborer | Germany |
| 13 | Harry Verhabend | 46 | Son | — | New Jersey |
| 14 | Alfreda Verhabend | 45 | Daughter | Clerk | New Jersey |
| 15 | Anthony Macclure | 30 | Head | Floor Manager | New Jersey |
| 16 | Elizabeth Macclure | 32 | Wife | — | Pennsylvania |
| 17 | Sandra Macclure | 4 | Daughter | — | New Jersey |
| 18 | Herbert Schuitzgaebel | 47 | Head | Laborer | New Jersey |
| 19 | Elizabeth L. Schuitzgaebel | 51 | Wife | Cleaner | New Jersey |
| 20 | Emanuel Conover | 54 | Head | Laborer | England |
| 21 | Clara Conover | 55 | Wife | — | England |
| 22 | Thomas R. Ruffin | 51 | Head | Handyman | New Jersey |
| 23 | Alice M. Ruffin | 52 | Wife | — | New Jersey |
| 24 | George Ruffin | 20 | Son | Laborer | New Jersey |
| 25 | John J. Ruffin | 19 | Son | Operator | New Jersey |
| 26 | Owen Bradley | 32 | Head | Inspector | New Jersey |
| 27 | Bradley | 32 | Wife | — | New Jersey |
| 28 | James O'Toole | 38 | Head | Inspector | New York |
| 29 | Mae O'Toole | 38 | Wife | — | New York |
| 30 | Patricia O'Toole | 11 | Daughter | — | New York |
| 31 | Marilyn O'Toole | 9 | Daughter | — | New York |
| 32 | James Jr. O'Toole | 2 | Son | — | New York |
| 33 | Frank Ballard | 39 | Head | Factory Officer | North Carolina |
| 34 | Margaret Ballard | 26 | Wife | — | New Jersey |
| 35 | Herbert Hall | 45 | Head | Carpenter | New Jersey |
| 36 | Ethel Hall | 42 | Wife | Cleaner | New Jersey |
| 37 | Harold Brown THIS PERSON | 34 | Head | Carpenter | England |
| 38 | Margaret Brown | 32 | Wife | — | England |
| 39 | Ronald Brown | 12 | Son | — | New Jersey |
| 40 | Phyllis Brown | 7 | Daughter | — | New Jersey |
Pedigree Summary
Harold
Gen 1 · 2 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)