AC
Albert Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Albert Campbell across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Albert & Mary — first a head (b.~1913), then head of a 9-person household.
Age 27
b. ~1913
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Campbell |
| Given Name | Albert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Brunswick |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Laborer |
| Industry | Truck Driver |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 576 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Brunswick |
| Est. Birth Year | ~1913 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| Jim King | Other | — | 26 | ~1914 |
| Elizabeth Holland | Other | — | 44 | ~1896 |
| Joseph Campbell | Son | — | 4 | ~1936 |
| Albert Campbell | Head | — | 27 | ~1913 |
| Nannie Campbell | Spouse | — | 24 | ~1916 |
| Carlton Fletcher | Other | — | 11 | ~1929 |
| Mary Campbell | Daughter | — | 6 | ~1934 |
| Patrick Campbell | Son | — | 1 | ~1939 |
| Margaret Holland | Other | — | 16 | ~1924 |
Census Appearances
1920
Frederick, Maryland
Son, age 7
Frederick, Maryland · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 17
Frederick, Maryland · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Albert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 27
Frederick-County, Maryland · implied b. ~1913 — 9 household members
| Surname | Campbell |
| Given Name | Albert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Brunswick |
| 1935 Residence (County) | Frederick |
| Occupation | Laborer |
| Industry | Truck Driver |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 576 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Albert Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Campbell (~0.92 confidence) and mother Mary Campbell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Campbell
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Campbell
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Albert Campbell
Head · 1940 · age 27 · b. ~1913 · Maryland
★ 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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00743)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louisa Dallas | 11 | Daughter | — | Virginia |
| 2 | Joan Dallas | 8 | Daughter | — | Virginia |
| 3 | Clifton Frye | 18 | Son-in-law | Laborer | Virginia |
| 4 | Margaret Frye | 18 | Daughter | — | Virginia |
| 5 | Theresa Frye | 0 | Daughter | — | Virginia |
| 6 | Sarah Devise | 44 | Head | Sewing Project | Virginia |
| 7 | Edith Devise | 16 | Daughter | — | Maryland |
| 8 | Franklin Devise | 13 | Son | — | Maryland |
| 9 | Marcella Shafer | 17 | Step-daughter | — | Maryland |
| 10 | William Mock | 79 | Father | — | Virginia |
| 11 | Charles Wiggington | 52 | Head | Painter | Maryland |
| 12 | Lillie Wiggington | 50 | Wife | — | Maryland |
| 13 | Charles Jr. Wiggington | 15 | Son | — | Maryland |
| 14 | George Viets | 72 | Head | Laborer | Maryland |
| 15 | Lillia Viets | 67 | Wife | — | Virginia |
| 16 | Charles C. Viets | 39 | Son | Laborer | Maryland |
| 17 | Frances Viets | 19 | Daughter | — | Maryland |
| 18 | Albert Campbell THIS PERSON | 27 | Head | Laborer | Maryland |
| 19 | Nannie Campbell | 24 | Wife | — | Maryland |
| 20 | Mary Eliz. Campbell | 6 | Daughter | — | Maryland |
| 21 | Joseph Campbell | 4 | Son | — | Maryland |
| 22 | Patrick Campbell | 1 | Son | — | Maryland |
| 23 | Elizabeth Holland | 44 | Mother | — | Maryland |
| 24 | Margaret Holland | 16 | Sister | — | Maryland |
| 25 | Carlton Fletcher | 11 | Adopt. Son | — | Maryland |
| 26 | Jim King | 26 | Lodger | — | Maryland |
| 27 | Melva Eubank | 44 | Head | — | Maryland |
| 28 | James Eubank | 28 | Son | Laborer | Maryland |
| 29 | Hazel Eubank | 22 | Daughter-in-law | — | W. Va. |
| 30 | Henry Nates | 47 | Lodger | Engineer | Virginia |
| 31 | Alonzo Roby | 39 | Head | Boiler Helper | Maryland |
| 32 | Mollie Roby | 32 | Wife | — | Virginia |
| 33 | Phyllis Roby | 8 | Daughter | — | Maryland |
| 34 | Edel Hoarn | 30 | Lodger | Fireman | Virginia |
| 35 | Clem Wilson | 50 | Head | Fireman | W. Va. |
| 36 | Bessie Wilson | 44 | Wife | — | Maryland |
| 37 | Phyllis Wilson | 17 | Daughter | — | Maryland |
| 38 | Robert Wilson | 16 | Son | — | Maryland |
| 39 | Erma Wilson | 14 | Daughter | — | Maryland |
| 40 | Wilbur Wilson | 12 | Son | — | W. Va. |
Pedigree Summary
Albert
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)