MC
Martha Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Martha Campbell across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Brooklyn Borough |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Brooklyn Borough |
| Est. Birth Year | ~1880 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| George Campbell | Son | — | 32 | ~1908 |
| Martha Campbell | Head | — | 60 | ~1880 |
| John Stark | Other | — | 22 | ~1918 |
Census Appearances
1920
New York, …
Head, age 40
New York, New York · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Store Room |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Head, age 50
Kings, New York · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1896 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Head, age 60
Kings-County, New York · implied b. ~1880 — 3 household members
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Brooklyn Borough |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Martha Campbell across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Campbell
Head · 1940 · age 60 · b. ~1880 · New York
★ 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 — 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-t0627-02573-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary W Rider | 63 | Head | — | New York |
| 42 | Edward W Rider | 32 | Son | Insurance Broker | New York |
| 43 | Frederic H Rider | 25 | Son | Salesman | New York |
| 44 | Nicholas Karshoun | 55 | Head | Salesman | Syria |
| 45 | Adele Karshoun | 50 | Wife | Handy Man | Syria |
| 46 | Nora Awad | 72 | Mother-in-law | — | Syria |
| 47 | Anthony Awad | 39 | Brother-in-law | Operator | Syria |
| 48 | Edna Awad | 36 | Sister-in-law | Shipping Clerk | Syria |
| 49 | Fred Nahus | 19 | Nephew | Operator | New York |
| 50 | Edward Fitzgerald | 48 | Head | Shipping Clerk | Eire |
| 51 | Nellie Fitzgerald | 48 | Wife | Salesman | Eire |
| 52 | Maurice Fitzgerald | 23 | Son | — | Missouri |
| 53 | William A Armstrong | 47 | Head | Assistant Accountant | New York |
| 54 | Mae A Armstrong | 47 | Wife | Credit Manager | New York |
| 55 | Kathryn Armstrong | 24 | Daughter | — | New York |
| 56 | Anthony Barbera | 42 | Head | Statistical Clerk | New Jersey |
| 57 | Marie E Barbera | 44 | Wife | Engineer | New York |
| 58 | Robert Barbera | 16 | Son | — | New York |
| 59 | Martha Campbell THIS PERSON | 60 | Head | — | Ireland |
| 60 | George Campbell | 32 | Son | — | New York |
| 61 | John C Stark | 22 | Lodger | Manager | Ohio |
| 62 | Vincent Zarrello | 71 | Head | General Clerk | Italy |
| 63 | Lester Van Houten | 42 | Son-in-law | — | New York |
| 64 | Lillie Van Houten | 40 | Daughter | Skilled Laborer | New York |
| 65 | Louise Van Houten | 19 | Daughter | — | New York |
| 66 | Vincent Van Houten | 18 | Son | — | New York |
| 67 | John H De Rosa | 37 | Son-in-law | Office Boy | New York |
| 68 | Clara De Rosa | 38 | Daughter | Salesman | New York |
| 69 | John H De Rosa | 10 | Grandson | — | New York |
| 70 | Vincent De Rosa | 7 | Grandson | — | New York |
| 71 | Jeremiah De Rosa | 2 | Grandson | — | New York |
| 72 | Frieda Triete | 66 | Head | — | Germany |
| 73 | Henry Triete | 30 | Son | Machinist | New York |
| 74 | Henry C Granneman | 77 | Brother | — | Germany |
| 75 | Margaret Burke | 68 | Head | — | Eire |
| 76 | William Burke | 35 | Son | Clerk | New York |
| 77 | Vincent Burke | 32 | Son | Clerk | New York |
| 78 | John Burke | 30 | Son | Assistant Manager | New York |
| 79 | Ragnhilda Thompson | 62 | Head | — | Norway |
| 80 | Hans Thompson | 34 | Son | Mate | Florida |
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)