GC
Grace Campbell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, Maryland
Our Model Tree links this Grace Campbell across the 1930 and 1940 US Censuses in Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 12-person household.
Age 27
b. ~1903
Female
Spouse
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | None, Maryland |
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 18 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Servant |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1903 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Ida Campbell | Daughter | — | 2 | ~1928 |
| Grace Campbell | Spouse | — | 27 | ~1903 |
| Isabell Campbell | Daughter | — | 7 | ~1923 |
| Cephas Campbell | Son | — | 9 | ~1921 |
| Joseph Campbell | Head | — | 32 | ~1898 |
| Henrietta Campbell | Daughter | — | 5 | ~1925 |
| Tilford Diggins | Other | — | 1 | ~1929 |
| Isaac Campbell | Son | — | 4 | ~1926 |
| Ola Campbell | Daughter | — | ~1930 | |
| Lorenzo Campbell | Son | — | 10 | ~1920 |
| Idelia Campbell | Daughter | — | 15 | ~1915 |
| Mary Diggins | Other | — | 21 | ~1909 |
Census Appearances
1930
None, Maryland
Spouse, age 27
None, Maryland · implied b. ~1903 — 12 household members
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 18 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Servant |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Baltimore-City-County, Maryland
Spouse, age 38
Baltimore-City-County, Maryland · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Georgia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Dayworker |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 312 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Grace Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Campbell
Spouse · 1930 · age 27 · b. ~1903 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — None, Maryland
Open full size
1930 US Federal Census — None, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus858unit:0520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. W. De Coursey | 49 | Head | Chauffeur | Maryland |
| 2 | Ida De Coursey | 47 | Wife | — | Virginia |
| 3 | George H. De Coursey | 22 | Son | Teacher | Maryland |
| 4 | Edna F. De Coursey | 7 | Daughter | — | Maryland |
| 5 | Lee Watson | 47 | Head | Laborer | South Carolina |
| 6 | Essie Watson | 37 | Wife | — | South Carolina |
| 7 | John Taylor | 20 | Nephew | Laborer | South Carolina |
| 8 | Clarence Simms | 22 | Nephew | Laborer | South Carolina |
| 9 | Albert Allen | 47 | Lodger | Painter | Maryland |
| 10 | Joseph Campbell | 32 | Head | Laborer | Washington D.C. |
| 11 | Grace Campbell THIS PERSON | 27 | Wife | Servant | Virginia |
| 12 | Idelia Campbell | 15 | Daughter | — | Virginia |
| 13 | Lorenzo Campbell | 10 | Son | — | Virginia |
| 14 | Cephas Campbell | 9 | Son | — | Virginia |
| 15 | Isabell Campbell | 7 | Daughter | — | Virginia |
| 16 | Henrietta Campbell | 5 | Daughter | — | Virginia |
| 17 | Isaac Campbell | 4 | Son | — | Virginia |
| 18 | Ida Campbell | 2 | Daughter | — | Virginia |
| 19 | Ola Campbell | 0 | Daughter | — | Maryland |
| 20 | Mary Diggins | 21 | Sister in law | Cook | Virginia |
| 21 | Tilford Diggins | 1 | Nephew | — | Maryland |
| 22 | Anna Hofstetter | 71 | Head | — | Maryland |
| 23 | Elizabeth Hofstetter | 31 | Daughter | Grocer | Maryland |
| 24 | Belie Russel | 75 | Head | Cook | Virginia |
| 25 | Arthur Lester | 31 | Brother | Laborer | Virginia |
| 26 | William Frank | 36 | Head | Butler | Maryland |
| 27 | Charles Lee | 39 | Head | Laborer | South Carolina |
| 28 | Grace Lee | 32 | Wife | — | South Carolina |
| 29 | Annetta Lee | 17 | Daughter | — | South Carolina |
| 30 | John Lee | 29 | Son in law | Chauffeur | Virginia |
| 31 | John Newton | 43 | Head | Laborer | Virginia |
| 32 | Martha Newton | 40 | Wife | — | Virginia |
| 33 | Annie Good | 70 | Head | — | Virginia |
| 34 | Essie Good | 26 | Daughter | Laundress | Virginia |
| 35 | Douglas Good | 1 | Son | Delivery Boy | Virginia |
| 36 | Sandy Booker | 24 | Son | Butler | Virginia |
| 37 | Samuel Carter | 58 | Head | Waiter | Maryland |
| 38 | Louise Carter | 58 | Wife | — | Maryland |
| 39 | Samuel Carter | 20 | Son | Teacher | Maryland |
| 40 | Aaron Gibson | 30 | Head | Porter | Maryland |
| 41 | Clara Gibson | 29 | Wife | — | Maryland |
| 42 | Marion Gibson | 11 | Daughter | — | Maryland |
| 43 | Francis Gibson | 8 | Daughter | — | Maryland |
| 44 | William Gibson | 7 | Son | — | Maryland |
| 45 | Nelson Gibson | 6 | Son | — | Maryland |
| 46 | Milburn Gibson | 2 | Daughter | — | Maryland |
| 47 | Ambrose Gibson | 0 | Son | — | Maryland |
| 48 | Samuel Johnson | 49 | Head | Bagmaker | Maryland |
| 49 | Annie Johnson | 29 | Wife | — | Maryland |
| 50 | Helen Johnson | 23 | Niece | Teacher | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)