DC
David Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this David Campbell across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Joseph & Bernice — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Machinist helper |
| Industry | Radio Mfg. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Machinist Helper |
| Township / Ward | New York City |
| Est. Birth Year | ~1917 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Jane Campbell | Head | — | 46 | ~1894 |
| David Campbell | Son | — | 23 | ~1917 |
| James Campbell | Son | — | 14 | ~1926 |
| May Campbell | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Kings, New …
Son, age 4
Kings, New York · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 14
Kings, New York · implied b. ~1916
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 23
Kings-County, New York · implied b. ~1917 — 4 household members
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Machinist helper |
| Industry | Radio Mfg. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 David Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Campbell (~0.92 confidence) and mother Bernice Campbell (~0.92 confidence) and mother Jane Campbell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Campbell
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Bernice Campbell
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Jane Campbell
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Campbell
Son · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
May Campbell
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Campbell
Sibling · 1940 · age 14
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02577-00113)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kenneth Lynch | 6 | Son | — | New York |
| 42 | Millora Agliotta | 24 | Sister | — | New York |
| 43 | Eleanor Agliotta | 13 | Niece | — | New York |
| 44 | Leonard Agliotta | 12 | Nephew | — | New York |
| 45 | Helen Rogers | 59 | Mother | — | New York |
| 46 | Jane Campbell | 46 | Head | — | New York |
| 47 | David Campbell THIS PERSON | 23 | Son | Machinist Helper | New York |
| 48 | May Campbell | 21 | Daughter | Secretary | New York |
| 49 | James Campbell | 14 | Son | — | New York |
| 50 | Ralph De Blasi | 47 | Head | Laborer | Italy |
| 51 | Filomena De Blasi | 40 | Wife | — | Italy |
| 52 | Anthony De Blasi | 18 | Son | — | New York |
| 53 | Xavier De Blasi | 17 | Son | — | New York |
| 54 | Santine De Blasi | 16 | Daughter | — | New York |
| 55 | Philomena De Blasi | 15 | Daughter | — | New York |
| 56 | Ralph De Blasi | 13 | Son | — | New York |
| 57 | Eleanor De Blasi | 10 | Daughter | — | New York |
| 58 | Charles De Blasi | 8 | Son | — | New York |
| 59 | Herbert Benson | 34 | Head | Supervisor | Illinois |
| 60 | Diane Benson | 27 | Wife | — | Sweden |
| 61 | Raymond Benson | 14 | Brother | — | London |
| 62 | Jerry Bregman | 36 | Roomer | Cook | New York |
| 63 | Alexander Kash | 46 | Head | Shipping Clerk | New York |
| 64 | Caroline Kash | 42 | Wife | — | New York |
| 65 | Alexander Kash | 21 | Son | Delivery Boy | New York |
| 66 | Dorothy Kash | 17 | Daughter | Saleslady | New York |
| 67 | Rita Kash | 14 | Daughter | — | New York |
| 68 | Leo Kash | 12 | Son | — | New York |
| 69 | Joseph Kash | 10 | Son | — | New York |
| 70 | Theresa Kash | 8 | Daughter | — | New York |
| 71 | Michael Mckeon | 38 | Head | Dispatcher | Irish Free State |
| 72 | Rosemary Mckeon | 9 | Daughter | — | New York |
| 73 | Eileen Mckeon | 8 | Daughter | — | New York |
| 74 | Robert Mckeon | 6 | Son | — | New York |
| 75 | John Mckeon | 5 | Son | — | New York |
| 76 | Michael Jr. Mckeon | 4 | Son | — | New York |
| 77 | Wendell Butcher | 30 | Head | — | New York |
| 78 | Olga Butcher | 27 | Wife | — | New York |
| 79 | Nancy Butcher | 3 | Daughter | — | New York |
| 80 | Robert Kronenberg | 32 | Head | Auto Mechanic | New York |
Pedigree Summary
David + 2 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 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)