LJ
Lois Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Lois Johnson across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 2
b. ~1928
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Lois Johnson | Daughter | — | 2 | ~1928 |
| Leola Johnson | Daughter | — | 10 | ~1920 |
| Doris Johnson | Daughter | — | 7 | ~1923 |
| Bella Johnson | Head | — | 43 | ~1887 |
| Austin Johnson | Son | — | ~1930 | |
| Joseph Johnson | Son | — | 12 | ~1918 |
| Henry Johnson | Son | — | 15 | ~1915 |
| Andrew Johnson | Son | — | 21 | ~1909 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 2
Baltimore, Maryland · implied b. ~1928 — 8 household members
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Daughter, age 12
Baltimore-City-County, Maryland · implied b. ~1928 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 3 |
| 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 Lois Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Johnson
Daughter · 1930 · age 2 · b. ~1928 · Maryland
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Sibling
Andrew Johnson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Johnson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Austin Johnson
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leola Johnson
Sibling · 1930 · 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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
49 people indexed on this census page (ia:1930:15thcensus858unit:0814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Peters | 30 | Head | Bootblack | Maryland |
| 2 | Mary Peters | 55 | Mother | Housework | Maryland |
| 3 | Sydney Johnson | 31 | Head | Chauffeur | Maryland |
| 4 | Edith Johnson | 28 | Wife | — | Virginia |
| 5 | Lucille Johnson | 8 | Daughter | — | Virginia |
| 6 | Alfred Price | 34 | Head | Paving | South Carolina |
| 7 | Ruth Price | 35 | Wife | — | Virginia |
| 8 | Martha Price | 68 | Mother | Housework | South Carolina |
| 9 | John Hendricks | 19 | Step son | Laborer | Virginia |
| 10 | Robert Hendricks | 15 | Step son | — | Virginia |
| 11 | Rosalie Hendricks | 13 | Step daughter | — | Virginia |
| 12 | Ophelia Hendricks | 11 | Step daughter | — | Virginia |
| 13 | Elizabeth Hendricks | 10 | Step daughter | — | Virginia |
| 14 | Mary Hendricks | 8 | Step daughter | — | Virginia |
| 15 | Bernice Hendricks | 7 | Step son | — | Virginia |
| 16 | George Frye | 37 | Head | Junk Man | District of Columbia |
| 17 | Elizabeth Frye | 23 | Wife | — | North Carolina |
| 18 | Oliver Harris | 23 | Head | Chauffeur | Virginia |
| 19 | Lillian Harris | 23 | Wife | Maid | Maryland |
| 20 | George Harris | 17 | Brother | Porter | Virginia |
| 21 | Edward Hall | 32 | Roomer | Chauffeur | New York |
| 22 | William Jackson | 19 | Roomer | Pin Boy | Maryland |
| 23 | Lucy Howard | 48 | Head | Cook | Maryland |
| 24 | Catherine Howard | 17 | Daughter | — | Maryland |
| 25 | Bessie Thomas | 28 | Daughter | Laundress | Maryland |
| 26 | Howard Thomas | 10 | Grandson | — | Maryland |
| 27 | Arthur Thomas | 8 | Grandson | — | Maryland |
| 28 | Charles Johnson | 45 | Head | — | Kentucky |
| 29 | Florence Johnson | 32 | Wife | Housework | Maryland |
| 31 | Bella Johnson | 43 | Head | Housework | Maryland |
| 32 | Andrew Johnson | 21 | Son | Helper | Maryland |
| 33 | Henry Johnson | 15 | Son | Newsboy | Maryland |
| 34 | Joseph Johnson | 12 | Son | Newsboy | Maryland |
| 35 | Leola Johnson | 10 | Daughter | — | Maryland |
| 36 | Doris Johnson | 7 | Daughter | — | Maryland |
| 37 | Lois Johnson THIS PERSON | 2 | Daughter | — | Maryland |
| 38 | Austin Johnson | 0 | Son | — | Maryland |
| 39 | Emma Mason | 42 | Head | Laundress | Maryland |
| 40 | Gladys Fountley | 24 | Roomer | Cook | Maryland |
| 41 | Robert Brown | 35 | Head | Elevator Boy | Maryland |
| 42 | Bertie Brown | 32 | Wife | — | Maryland |
| 43 | Robert Brown | 4 | Son | — | Maryland |
| 44 | Jessie Brown | 1 | Daughter | — | Maryland |
| 45 | Robert Mason | 47 | Head | Laborer | Maryland |
| 46 | Louisa Mason | 44 | Wife | — | Maryland |
| 47 | Catherine Johnson | 11 | Niece | — | Maryland |
| 48 | Joseph Wilson | 22 | Nephew | Laborer | Maryland |
| 49 | Jackson Crowley | 38 | Head | Paving | Virginia |
| 50 | Annie Crowley | 35 | Wife | Cook | Virginia |
Related Census Records
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)