JC
Joseph Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Joseph Campbell across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 11-person household.
Age 49
b. ~1891
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Laborer |
| Industry | W. P. A. Project |
| Class of Worker | GW |
| Hours Worked | 10 |
| Income (1939) | 112 |
| Highest Grade | No 2 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1891 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Florence Campbell | Daughter | — | 20 | ~1920 |
| Edna Campbell | Daughter | — | 14 | ~1926 |
| Nellie Campbell | Daughter | — | 15 | ~1925 |
| Naomi Campbell | Daughter | — | 1 | ~1939 |
| Joseph Campbell | Head | — | 49 | ~1891 |
| Daisy Grant | Other | — | 40 | ~1900 |
| Isabella Grant | Other | — | 83 | ~1857 |
| Arthur Campbell | Son | — | 9 | ~1931 |
| Alexander Campbell | Son | — | 11 | ~1929 |
| Theodore Campbell | Son | — | 22 | ~1918 |
| Carrie Campbell | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Baltimore, Maryland
Other, age 39
Baltimore, Maryland · implied b. ~1891 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 26 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laundress |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Baltimore-City-County, Maryland
Head, age 49
Baltimore-City-County, Maryland · implied b. ~1891 — 11 household members
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Industry | W. P. A. Project |
| Class of Worker | GW |
| Hours Worked | 10 |
| Income (1939) | 112 |
| Highest Grade | No 2 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Joseph Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Campbell
Head · 1940 · age 49 · b. ~1891 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01514-00272)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Belle Duball | 9 | nice | — | Maryland |
| 2 | Charles Duball | 12 | nephew | — | Maryland |
| 3 | George Jackson | 27 | Head | Laborer | Maryland |
| 4 | Walter Duball | 23 | Partner | Odd Jobs | Maryland |
| 5 | Freddie Duball | 20 | Partner | Laborer | Maryland |
| 6 | Joseph Campbell THIS PERSON | 49 | Head | Laborer | South Carolina |
| 7 | Carrie Campbell | 44 | Wife | — | Maryland |
| 8 | Theodore Campbell | 22 | Son | Salesman | Maryland |
| 9 | Florence Campbell | 20 | Daughter | Maid | Maryland |
| 10 | Nellie Campbell | 15 | Daughter | — | Maryland |
| 11 | Edna Campbell | 14 | Daughter | — | Maryland |
| 12 | Alexander Campbell | 11 | Son | — | Maryland |
| 13 | Arthur Campbell | 9 | Son | — | Maryland |
| 14 | Naomi Campbell | 1 | Daughter | — | Maryland |
| 15 | Isabella Grant | 83 | Mother-in-law | — | Maryland |
| 16 | Daisy Grant | 40 | Sister-in-law | General Housework | Maryland |
| 17 | Nellie Collins | 52 | Head | — | Virginia |
| 18 | Grace Collins | 33 | Daughter | — | Maryland |
| 19 | Wilbur Collins | 19 | Son | Wiper-Engine | Maryland |
| 20 | Clyde Whiteside | 45 | Head | Stevedore | South Carolina |
| 21 | Annie Whiteside | 45 | Wife | — | Maryland |
| 22 | Louisa Miller | 60 | Mother-in-law | — | Maryland |
| 23 | Ruth Price | 23 | Lodger | Laborer | Maryland |
| 24 | Mable Brown | 23 | Lodger | Laborer | Maryland |
| 25 | James Tyler | 44 | Head | Laborer | Maryland |
| 26 | Mable Tyler | 39 | Wife | Housework | Virginia |
| 27 | Edward Parker | 27 | Son-in-law | Cab Cleaner | Maryland |
| 28 | Hazel Parker | 24 | Daughter | — | Maryland |
| 29 | Noah Ford | 53 | Head | Stevedore | North Carolina |
| 30 | Ida Ford | 53 | Wife | — | North Carolina |
| 31 | Robert Ford | 34 | Son | Huckster | North Carolina |
| 32 | Montress Ford | 29 | Daughter | Maid | Virginia |
| 33 | Clarence Henderson | 19 | Grandson | — | Maryland |
| 34 | Leonard Henderson | 17 | Grandson | Pin Boy | Maryland |
| 35 | George M. Weiss | 56 | Head | Chairman + Rodman | Maryland |
| 36 | Louise Weiss | 46 | Wife | — | Maryland |
| 37 | George Jr. Weiss | 19 | Son | Electrical Helper | Maryland |
| 38 | Charlie Weiss | 18 | Son | Office Assistant | Maryland |
| 39 | Hyacinthia Blackwell | 41 | Head | Maid | Virginia |
| 40 | Gladys Blackwell | 21 | Daughter | General Housework | Virginia |
Related Census Records
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)