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Charles Black — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Charles Black across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed), with identified parents James & Harriet — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Black |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 530 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Mechanic |
| Township / Ward | Portland City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Black | Daughter | — | 13 | ~1927 |
| James Black | Head | — | 45 | ~1895 |
| Charles Black | Son | — | 22 | ~1918 |
| Francis Black | Son | — | 24 | ~1916 |
| Margaret Portman | Other | — | 14 | ~1926 |
| Richard Black | Son | — | 19 | ~1921 |
| Harriett Black | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Cumberland, Maine
Son, age 1
Cumberland, Maine · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Charles |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Son, age 11
Cumberland, Maine · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Son, age 22
Cumberland-County, Maine · implied b. ~1918 — 7 household members
| Surname | Black |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Cumberland |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 530 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Charles Black across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Black (~0.92 confidence) and mother Harriet Black (~0.92 confidence) and father James Black (~0.92 confidence) and mother Harriett Black (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Black
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Harriet Black
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
James Black
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Harriett Black
b. ~1903
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Black
Son · 1940 · age 22 · b. ~1918 · Maine
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Sibling
Dorothy Black
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Black
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Black
Sibling · 1940 · age 24
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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01476-00817)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Houlihan | 69 | Head | Clergyman | Maine |
| 2 | Helen M. Houlihan | 75 | Sister | — | Maine |
| 3 | Annie L. Houlihan | 58 | Sister | — | Maine |
| 4 | Joseph B. Houlihan | 25 | Nephew | Clergyman | Maine |
| 5 | Armand E. Lodge | 27 | Lodger | Clergyman | Maine |
| 7 | John Burnham | 48 | Head | Machinist | Maine |
| 8 | Mary A. Burnham | 40 | Wife | — | Maine |
| 9 | Arleen Burnham | 13 | Daughter | — | Maine |
| 10 | Carolyn Burnham | 10 | Daughter | — | Maine |
| 11 | James E. Black | 45 | Head | Gardener | Maine |
| 12 | Harriett Black | 37 | Wife | — | Maine |
| 13 | Francis Black | 24 | Son | Attendant | Maine |
| 14 | Charles Black THIS PERSON | 22 | Son | Mechanic | Maine |
| 15 | Richard Black | 19 | Son | Laborer | Maine |
| 16 | Dorothy Black | 13 | Daughter | — | Maine |
| 17 | Margaret Portman | 14 | Lodger | — | Maine |
| 18 | Herbert Hawkes | 23 | Head | Attendant | Maine |
| 19 | Marion Hawkes | 23 | Wife | — | Massachusetts |
| 20 | Vaughan Hawkes | 4 | Son | — | Maine |
| 21 | Homer Velsen | 27 | Head | Plasterer | Maine |
| 22 | Frances E. Velsen | 23 | Wife | — | Maine |
| 23 | Walter F. O'Connor | 46 | Head | Chauffeur | Maine |
| 24 | Sadie O'Connor | 41 | Wife | — | Canada-English |
| 25 | Gerald Corcoran | 22 | Lodger | Tree Surgeon | Canada-English |
| 26 | Frank J. Mckone | 57 | Head | Painter | Maine |
| 27 | Sarah M. Mckone | 57 | Wife | — | Canada-English |
| 28 | Cleveland J. Heath | 30 | Head | Pressman | Maine |
| 29 | Theresa Heath | 34 | Wife | Brister Sorting | Maine |
| 30 | John A. Lester | 61 | Head | Assessor | Massachusetts |
| 31 | Alice O. Lester | 64 | Wife | — | Maine |
| 32 | Donald L. Lester | 31 | Son | Adjuster | Maine |
| 33 | Malcolm Lester | 28 | Son | Stock Clerk | Maine |
| 34 | Barbara Mitchell | 17 | Housekeeper | — | Maine |
| 36 | Urban A. Winter | 46 | Head | Assistant Manager | Missouri |
| 37 | Marion Winter | 43 | Wife | — | Maine |
| 38 | Eleanor Winter | 12 | Daughter | — | Maine |
| 39 | Barbara Winter | 10 | Daughter | — | Maine |
| 40 | Marion F. Winter | 4 | Daughter | — | Maine |
Pedigree Summary
Charles + 3 siblings
Gen 1 · 4 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)