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Annie Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Annie Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Geo & Sally — first a daughter (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Johnson |
| Given Name | Annie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Cook |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cook |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Annie | Age | Birth yr |
|---|---|---|---|---|
| Annie Johnson | Daughter | — | 21 | ~1909 |
| John Johnson | Head | — | 53 | ~1877 |
| David Hands | Other | — | 25 | ~1905 |
| Nellie Johnson | Spouse | — | 51 | ~1879 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Annie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 21
Baltimore, Maryland · implied b. ~1909 — 4 household members
| Surname | Johnson |
| Given Name | Annie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cook |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 31
Baltimore-City-County, Maryland · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Anna |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 84 |
| Income (1939) | 700 |
| Highest Grade | H 4 |
| 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 Annie Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Geo Johnson (~0.92 confidence) and father Sally Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Nellie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Geo Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Sally Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Nellie Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Annie Johnson
Daughter · 1930 · age 21 · b. ~1909 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus858unit:0464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Tom | 40 | Head | — | S. Carolina |
| 52 | Annie | 36 | Wife | — | S. Carolina |
| 53 | Tom Jr. | 17 | Son | — | S. Carolina |
| 54 | John | 50 | Boarder | Tinner | Spain |
| 55 | Lizzie | 40 | Boarder | Servant | Maryland |
| 56 | Lizzie | 20 | Boarder | Servant | Virginia |
| 57 | Annie | 25 | Boarder | Hostess | S. Carolina |
| 58 | Ethel | 21 | Boarder | Laundress | N. Carolina |
| 59 | William | 40 | Boarder | — | Maryland |
| 60 | William | 21 | Boarder | — | Maryland |
| 61 | John | 21 | Boarder | — | Maryland |
| 62 | John | 21 | Boarder | — | Maryland |
| 63 | John | 21 | Boarder | — | Maryland |
| 64 | John | 21 | Boarder | — | Maryland |
| 65 | William | 30 | Boarder | Waiter | Georgia |
| 66 | Lula | 30 | Sister-in-law | — | Maryland |
| 67 | Head | 40 | Head | Servant | S. Carolina |
| 68 | Annie | 36 | Wife | — | S. Carolina |
| 69 | John | 17 | Son | — | Maryland |
| 70 | John | 15 | Son | — | Maryland |
| 71 | John | 13 | Son | — | Maryland |
| 72 | John | 11 | Son | — | Maryland |
| 73 | John | 9 | Son | — | Maryland |
| 74 | John | 7 | Son | — | Virginia |
| 75 | John Scott | 38 | Head | Butler | Maryland |
| 76 | Annie Scott | 30 | Wife | Cook | Maryland |
| 77 | James Scott | 6 | Son | — | Maryland |
| 78 | Paul Scott | 4 | Son | — | Maryland |
| 79 | William Green | 30 | Head | Laborer | S. Carolina |
| 80 | Nellie Green | 28 | Wife | — | Maryland |
| 81 | James Green | 5 | Son | — | Maryland |
| 82 | Nellie Green | 3 | Daughter | — | Maryland |
| 83 | William Green | 2 | Son | — | Maryland |
| 84 | William Phillips | 41 | Head | Chauffeur | Maryland |
| 85 | Rosa Phillips | 40 | Wife | — | Maryland |
| 86 | William Jr. Phillips | 15 | Son | — | Maryland |
| 87 | John Phillips | 9 | Son | — | Maryland |
| 88 | George Phillips | 5 | Son | — | Maryland |
| 89 | Thomas Phillips | 7 | Son | — | Maryland |
| 90 | Annie Phillips | 1 | Daughter | — | Maryland |
| 91 | Robert Phillips | 3 | Son | — | Maryland |
| 92 | James Phillips | 0 | Son | — | Maryland |
| 93 | Mary Moorehead | 40 | Head | Laundress | Maryland |
| 94 | George White | 43 | Head | Laborer | Maryland |
| 95 | Hattie White | 41 | Wife | Servant | Maryland |
| 96 | Sarah Anderson | 50 | Sister | Charwoman | Maryland |
| 97 | John Johnson | 53 | Head | Butler | Maryland |
| 98 | Nellie Johnson | 51 | Wife | — | Maryland |
| 99 | Annie Johnson THIS PERSON | 21 | Daughter | Cook | Maryland |
| 100 | David Hands | 25 | Boarder | Messenger | N. Carolina |
Pedigree Summary
Annie
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 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)