HC
Henry Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Henry Cooper across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Joshua & John — first a son (b.~1907), then head of a 10-person household.
Age 33
b. ~1907
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Cooper |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1907 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Emeline Cooper | Head | — | 54 | ~1886 |
| George Cooper | Son | — | 19 | ~1921 |
| Jeannette Cooper | Other | — | 9 | ~1931 |
| Blanche Armstrong | Daughter | — | 38 | ~1902 |
| Leroy Cooper | Son | — | 32 | ~1908 |
| William Cooper | Son | — | 24 | ~1916 |
| Edith Cooper | Daughter | — | 10 | ~1930 |
| Henry Cooper | Son | — | 33 | ~1907 |
| Milton Armstrong | Other | — | 30 | ~1910 |
| Barbara Armstrong | Other | — | 1 | ~1939 |
Census Appearances
1920
Baltimore, Maryland
Son, age 14
Baltimore, Maryland · implied b. ~1906 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Harry B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Son, age 23
Baltimore, Maryland · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Sheet Car |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 33
Baltimore-City-County, Maryland · implied b. ~1907 — 10 household members
| Surname | Cooper |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | 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 Henry Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joshua Cooper (~0.92 confidence) and father John Cooper (~0.92 confidence) and mother Caroline Cooper (~0.92 confidence) and mother Emeline Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joshua Cooper
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Cooper
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Caroline Cooper
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Emeline Cooper
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Cooper
Son · 1940 · age 33 · b. ~1907 · Maryland
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Sibling
William Cooper
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cooper
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Armstrong
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Cooper
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Cooper
Sibling · 1940 · age 10
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 — 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-t0627-01514-00240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Hutchinson | 35 | Head | Janitor | Maryland |
| 2 | Lillian Hutchinson | 35 | Wife | Domestic | Maryland |
| 3 | Bernette Hutchinson | 15 | Daughter | — | Maryland |
| 4 | Lillian Hutchinson | 14 | Daughter | — | Maryland |
| 5 | Doris Hutchinson | 13 | Daughter | — | Maryland |
| 6 | Mary Hutchinson | 12 | Daughter | — | Maryland |
| 7 | Emeline Cooper | 54 | Head | — | Maryland |
| 8 | Henry Cooper THIS PERSON | 33 | Son | Laborer | Maryland |
| 9 | Leroy Cooper | 32 | Son | Laborer | Maryland |
| 10 | William Cooper | 24 | Son | Bottler | Maryland |
| 11 | George Cooper | 19 | Son | — | Maryland |
| 12 | Edith Cooper | 10 | Daughter | — | Maryland |
| 13 | Blanche Armstrong | 38 | Daughter | Maid | Maryland |
| 14 | Milton Armstrong | 30 | Son-in-law | Maid | Maryland |
| 15 | Barbara Armstrong | 1 | Granddaughter | — | Maryland |
| 16 | Jeannette Cooper | 9 | Granddaughter | — | Maryland |
| 17 | Isaac Anderson | 42 | Head | Crane Operator | Maryland |
| 18 | Pilly Anderson | 33 | Wife | — | Maryland |
| 19 | Gladys Anderson | 16 | Daughter | — | Maryland |
| 20 | Bernard Anderson | 17 | Son | Porter | Maryland |
| 21 | Le Roy Anderson | 16 | Son | — | Maryland |
| 22 | Lottie Anderson | 14 | Daughter | — | Maryland |
| 23 | Inez Anderson | 12 | Daughter | — | Maryland |
| 24 | Charles Rigon | 45 | Head | Crane Operator | Virginia |
| 25 | Jamie Rigon | 29 | Wife | — | Virginia |
| 26 | Floyd Rigon | 28 | Brother | Crane Operator | Virginia |
| 27 | Horace Whiteworth | 49 | Head | Engineer | Maryland |
| 28 | Evelyn Whiteworth | 37 | Wife | Char Woman | Delaware |
| 29 | Horace Jr. Whiteworth | 21 | Son | Porter | Maryland |
| 30 | Ida Whiteworth | 21 | Daughter | Errand Girl | Maryland |
| 31 | Ella Whiteworth | 22 | Daughter | — | Maryland |
| 32 | Mae Whiteworth | 14 | Daughter | — | Maryland |
| 33 | Charles Johnson | 56 | Head | Cementer | Tennessee |
| 34 | Elizabeth Johnson | 37 | Wife | Maid | Maryland |
| 35 | Louise Johnson | 18 | Daughter | Domestic | Maryland |
| 36 | Dorothy Johnson | 16 | Daughter | — | Maryland |
| 37 | Charles Johnson | 15 | Son | — | Maryland |
| 38 | Hazel Johnson | 13 | Daughter | — | Maryland |
| 39 | Blanche Johnson | 11 | Son | — | Maryland |
| 40 | Evelyn Johnson | 9 | Daughter | — | Maryland |
Related Census Records
Pedigree Summary
Henry + 5 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)