AC
Annie Cooper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dorchester, Maryland
Our Model Tree links this Annie Cooper across the 1930 and 1940 US Censuses in Dorchester, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 12-person household.
Age 16
b. ~1914
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dorchester, Maryland |
| Surname | Cooper |
| Given Name | Annie B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Cambridge Town |
| Est. Birth Year | ~1914 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Annie | Age | Birth yr |
|---|---|---|---|---|
| William Cooper | Head | — | 37 | ~1893 |
| Percy Cooper | Son | — | 7 | ~1923 |
| Violetta Cooper | Daughter | — | 21 | ~1909 |
| Raymond Cooper | Son | — | 1 | ~1929 |
| Sarah Cooper | Daughter | — | 8 | ~1922 |
| Robert Cooper | Son | — | 19 | ~1911 |
| Odyssey Cooper | Daughter | — | ~1930 | |
| Mildred Cooper | Daughter | — | 3 | ~1927 |
| Thomas Cooper | Son | — | 13 | ~1917 |
| Annie Cooper | Daughter | — | 16 | ~1914 |
| Elizabeth Cooper | Daughter | — | 10 | ~1920 |
| Mollie Cooper | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Dorchester, Maryland
Daughter, age 16
Dorchester, Maryland · implied b. ~1914 — 12 household members
| Surname | Cooper |
| Given Name | Annie B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Dorchester-County, Maryland
Daughter, age 25
Dorchester-County, Maryland · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Anna Belle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Dorchester |
| Occupation | shucking |
| Industry | oyster house |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 360 |
| 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 Annie Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Annie Cooper
Daughter · 1930 · age 16 · b. ~1914 · Maryland
★ You are viewing this record
Sibling
Mildred Cooper
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Percy Cooper
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cooper
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Cooper
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cooper
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violetta Cooper
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odyssey Cooper
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Cooper
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cooper
Sibling · 1930 · age 19
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
1930 US Federal Census — Dorchester, Maryland
Open full size
1930 US Federal Census — Dorchester, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus873unit:0801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John M Stafford | 41 | Head | Laborer | Maryland |
| 2 | Lillie Stafford | 36 | Wife | Cook | Maryland |
| 3 | John Stafford | 15 | Son | Laborer | Maryland |
| 4 | James Stafford | 13 | Son | Laborer | Maryland |
| 5 | Michael Lee | 36 | Head | Laborer | Maryland |
| 6 | Sarah Lee | 34 | Wife | Laborer | Maryland |
| 7 | Lucile Lee | 11 | Daughter | — | Maryland |
| 8 | Joseph Roberts | 27 | Head | Laborer | Maryland |
| 9 | Emily Roberts | 19 | Wife | Laborer | Maryland |
| 10 | Zora Jones | 17 | Boarder | Laborer | Maryland |
| 11 | Samuel Fields | 23 | Lodger | Laborer | Delaware |
| 12 | Mike Jackson | 39 | Head | Laborer | Maryland |
| 13 | Annie M Jackson | 15 | Daughter | Laborer | Maryland |
| 14 | Lina Roberts | 25 | Lodger | Cook | Maryland |
| 15 | Ethel Richard | 10 | Lodger | — | Maryland |
| 16 | William Cooper | 37 | Head | Laborer | Maryland |
| 17 | Mollie Cooper | 41 | Wife | Laborer | Maryland |
| 18 | Violetta Cooper | 21 | Daughter | — | Maryland |
| 19 | Robert C Cooper | 19 | Son | Laborer | Maryland |
| 20 | Annie B Cooper THIS PERSON | 16 | Daughter | Laborer | Maryland |
| 21 | Thomas E Cooper | 13 | Son | — | Maryland |
| 22 | Elizabeth Cooper | 10 | Daughter | — | Maryland |
| 23 | Sarah E Cooper | 8 | Daughter | — | Maryland |
| 24 | Percy Cooper | 7 | Son | — | Maryland |
| 25 | Mildred Cooper | 3 | Daughter | — | Maryland |
| 26 | Raymond Cooper | 1 | Son | — | Maryland |
| 27 | Odyssey Cooper | 0 | Daughter | — | Maryland |
| 28 | Frederick Keene | 42 | Head | Cook | Maryland |
| 29 | Lizzie Keene | 35 | Wife | — | Maryland |
| 30 | Lloyd Keene | 12 | Son | — | Maryland |
| 31 | George Henson | 40 | Head | Laborer | Maryland |
| 32 | Charles Henson | 53 | Head | Laborer | Maryland |
| 33 | Clara Henson | 44 | Wife | Cook | Maryland |
| 34 | Mildred Henson | 5 | Daughter | — | Maryland |
| 35 | John Henson | 3 | Son | — | Maryland |
| 36 | Calvin Colbourn | 32 | Head | Laborer | Maryland |
| 37 | Edna Colbourn | 30 | Wife | Cook | Maryland |
| 38 | Flossie Colbourn | 8 | Daughter | — | Maryland |
| 39 | John Molock | 27 | Head | Teamster | Maryland |
| 40 | Patty Molock | 27 | Wife | — | Maryland |
| 41 | James Molock | 8 | Son | — | Maryland |
| 42 | John Polly | 25 | Head | Hauler | Maryland |
| 43 | Martha Polly | 30 | Wife | Laborer | Maryland |
| 44 | Lee Polly | 16 | Son | Laborer | Maryland |
| 45 | Moses Jones | 60 | Head | Laborer | Maryland |
| 46 | Howard Polk | 30 | Head | Laborer | Maryland |
| 47 | Viola Polk | 28 | Wife | Laborer | Maryland |
| 48 | Howard Polk | 6 | Son | — | Maryland |
| 49 | James Polk | 5 | Son | — | Maryland |
| 50 | Rudolph Polk | 3 | Son | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)