HC
Harry Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Harry Cooper across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Cooper |
| Given Name | Harry T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Reisterstown (pt) |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | painter |
| Industry | State Roads Commission |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 756 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Painter |
| Township / Ward | Reisterstown Pt |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Cooper | Head | — | 55 | ~1885 |
| Randolph Cooper | Son | — | 31 | ~1909 |
| Gertrude Cooper | Spouse | — | 59 | ~1881 |
| Robert Cooper | Son | — | 22 | ~1918 |
| Catherine Cooper | Daughter | — | 25 | ~1915 |
| Barbara Cooper | Other | — | 5 | ~1935 |
Census Appearances
1920
Baltimore, Maryland
Head, age 37
Baltimore, Maryland · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Harry M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Head, age 46
Baltimore, Maryland · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Henry T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 4500 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Head, age 55
Baltimore-County, Maryland · implied b. ~1885 — 6 household members
| Surname | Cooper |
| Given Name | Harry T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Reisterstown (pt) |
| 1935 Residence (County) | Baltimore |
| Occupation | painter |
| Industry | State Roads Commission |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 756 |
| Highest Grade | No 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 Harry Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harry Cooper
Head · 1940 · age 55 · b. ~1885 · 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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01504-00070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter C. Marks | 58 | — | Unskilled Labor | Maryland |
| 42 | Ella Jones | 58 | Sister in law | General Housework | Maryland |
| 43 | John R. B. Jones | 49 | Head | General Truck Farming | Maryland |
| 44 | Bessie E. Jones | 48 | Wife | House Wife | Maryland |
| 45 | William D. Brownson | 30 | Head | Office Work | Oklahoma |
| 46 | Phyllis D. Brownson | 29 | Wife | Full Time In Home | New Jersey |
| 47 | Sally J. Brownson | 4 | Daughter | — | Maryland |
| 48 | John Baciloni | 23 | Brother in law | Truck Driver | New York |
| 49 | Ira R. Luster | 42 | Head | Carpenter | Maryland |
| 50 | Eva F. Luster | 43 | Wife | Full Time In Home | Maryland |
| 51 | Ethel L. Luster | 16 | Daughter | Full Time In School | Maryland |
| 52 | Betty J. Luster | 6 | Daughter | — | Maryland |
| 53 | Lee Logsdon | 66 | Head | Salesman & Truck Driver | Maryland |
| 54 | Clara M. Logsdon | 63 | Wife | House Wife | Maryland |
| 55 | Charles M. Peacock | 15 | Grandson | Full Time School | Maryland |
| 56 | Donald H. Owings | 38 | Head | Truck Driver | Maryland |
| 57 | Virginia E. Owings | 37 | Wife | Full Time House Wife | Maryland |
| 58 | Clara G. Owings | 10 | Daughter | Full Time School | Maryland |
| 59 | Ida G. Bushey | 81 | Aunt | Retired House Wife | Maryland |
| 60 | Walter W. Strevig | 46 | Head | Operator | Maryland |
| 61 | Mary V. Strevig | 39 | Wife | Full Time House Wife | Pennsylvania |
| 62 | Lester W. Brown | 35 | Head | — | Maryland |
| 63 | Eva M. Brown | 29 | Wife | Full Time House Wife | Maryland |
| 64 | Muriel E. Brown | 13 | Daughter | — | Maryland |
| 65 | Margaret F. Brown | 8 | Daughter | — | Maryland |
| 66 | Harry T. Cooper THIS PERSON | 55 | Head | Painter | Maryland |
| 67 | Gertrude B. Cooper | 59 | Wife | Full Time In Home | Maryland |
| 68 | Randolph T. Cooper | 31 | Son | Mechanic | Maryland |
| 69 | Catherine E. Cooper | 25 | Daughter | Phone Operator | Maryland |
| 70 | Robert L. Cooper | 22 | Son | Handy Man | Maryland |
| 71 | Barbara A. Cooper | 5 | Granddaughter | — | Maryland |
| 72 | Edward F. Elgin | 32 | Head | Window Dresser | Pennsylvania |
| 73 | Frances K. Elgin | 30 | Wife | Full Time In Home | Maryland |
| 74 | Mary D. Elgin | 2 | Daughter | — | Maryland |
| 75 | Harry Huff | 68 | Head | Retired Steel Mills | West Virginia |
| 76 | Nettie M. Huff | 62 | Wife | Full Time House Wife | Maryland |
| 77 | Raymond D. Boyd | 53 | Head | Foreman | Maryland |
| 78 | Laura M. Boyd | 52 | Wife | Full Time In Home | Indiana |
| 79 | Alexander N. Mcphail | 31 | Head | Mechanic | Canada |
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)