SC
Samuel Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Samuel Cooper across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Cooper |
| Given Name | Samuel, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1924 |
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 Samuel | Age | Birth yr |
|---|---|---|---|---|
| Gabriela Cooper | Spouse | — | 38 | ~1902 |
| Charlotte Cooper | Daughter | — | 7 | ~1933 |
| Doris Cooper | Daughter | — | 18 | ~1922 |
| James Cooper | Son | — | 4 | ~1936 |
| Samuel Cooper | Head | — | 44 | ~1896 |
| Samuel Cooper | Son | — | 16 | ~1924 |
| Robert Cooper | Son | — | 11 | ~1929 |
| Beverly Cooper | Daughter | — | 1 | ~1939 |
| Carolyn Cooper | Daughter | — | 14 | ~1926 |
| Donald Cooper | Son | — | 9 | ~1931 |
Census Appearances
1930
Baltimore, Maryland
Son, age 6
Baltimore, Maryland · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Samuel Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 16
Baltimore-City-County, Maryland · implied b. ~1924 — 10 household members
| Surname | Cooper |
| Given Name | Samuel, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 Samuel Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Samuel Cooper
Son · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Charlotte Cooper
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Cooper
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cooper
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Cooper
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cooper
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Cooper
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Cooper
Sibling · 1940 · age 9
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-t0627-01512-00588)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alonard | Alonard Rollins | 40 | Head | — | Maryland |
| 42 | Horace Jr Rollins | 7 | Son | — | Maryland |
| 43 | Richard Rollins | 2 | Son | — | Maryland |
| 44 | Myrtle Bose | 27 | Cousin | Maid | Maryland |
| 45 | Charles Thompson | 14 | Nephew | — | Maryland |
| 46 | Samuel Cooper | 44 | Head | Waiter | Maryland |
| 47 | Gabriela Cooper | 38 | Wife | Maid | Maryland |
| 48 | Doris Cooper | 18 | Daughter | — | Maryland |
| 49 | Samuel, Jr. Cooper THIS PERSON | 16 | Son | — | Maryland |
| 50 | Carolyn Cooper | 14 | Daughter | — | Maryland |
| 51 | Robert Cooper | 11 | Son | — | Maryland |
| 52 | Donald Cooper | 9 | Son | — | Maryland |
| 53 | Charlotte Cooper | 7 | Daughter | — | Maryland |
| 54 | James Cooper | 4 | Son | — | Maryland |
| 55 | Beverly A Cooper | 1 | Daughter | — | Maryland |
| 56 | John Brown | 27 | Head | Moulder | Virginia |
| 57 | Pauline Brown | 27 | Wife | — | S. Carolina |
| 58 | Jean F Brown | 3 | Daughter | — | Maryland |
| 59 | Harry Brighton | 42 | Head | Repair Man | Virginia |
| 60 | Maudie Brighton | 38 | Wife | — | Virginia |
| 61 | John Marks | 47 | Head | Carpenter Helper | S. Carolina |
| 62 | Gertie Marks | 37 | Wife | — | N. Carolina |
| 63 | John Haney | 46 | Head | Cleaner | S. Carolina |
| 64 | Sarah Haney | 45 | Wife | — | S. Carolina |
| 65 | Bessie Rose | 48 | Head | Maid | S. Carolina |
| 66 | Bud Williams | 43 | Nephew | Trucker | N. Carolina |
| 67 | George Mcclure | 30 | Head | Crane Man | Virginia |
| 68 | Martha Mcclure | 25 | Wife | — | Virginia |
| 69 | James Seng | 61 | Head | — | S. Carolina |
| 70 | Anna M Seng | 53 | Wife | — | S. Carolina |
| 71 | Loyd Seng | 15 | Son | — | Maryland |
| 72 | Cyril Seng | 13 | Son | — | Maryland |
| 73 | Sadie Seng | 10 | Daughter | — | Maryland |
| 74 | Waddell Gray | 37 | Lodger | Flagman | Maryland |
| 75 | William Greer | 38 | Lodger | Kitchen Helper | N. Carolina |
| 76 | Bessie Ford | 43 | Lodger | Maid | S. Carolina |
| 77 | Floyd Duye | 24 | Head | Groover | Virginia |
| 78 | Ella Duye | 21 | Wife | Maid | Maryland |
| 79 | Florine Duye | 1 | Daughter | — | Maryland |
| 80 | Margaret Wilson | 41 | Head | House Work | Maryland |
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)