LJ
Lillian Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Lillian Johnson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Mary — first a daughter (b.~1917), then head of a 12-person household.
Age 23
b. ~1917
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Some home |
| 1935 Residence (County) | Some home |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Some home |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Bernice Spencer | Daughter | — | 16 | ~1924 |
| Lillian Johnson | Daughter | — | 23 | ~1917 |
| Shirley Spencer | Daughter | — | ~1940 | |
| John Spencer | Head | — | 38 | ~1902 |
| Melvin Johnson | Other | — | 4 | ~1936 |
| Thomas Clinton | Other | — | 28 | ~1912 |
| Rosalie Johnson | Other | — | 2 | ~1938 |
| Horace Spencer | Son | — | 13 | ~1927 |
| Gilbert Spencer | Son | — | 5 | ~1935 |
| John Spencer | Son | — | 8 | ~1932 |
| James Spencer | Son | — | 10 | ~1930 |
| Maggie Spencer | Spouse | — | 36 | ~1904 |
Census Appearances
1920
None, Maryland
Daughter, age
None, Maryland · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 23
Baltimore-City-County, Maryland · implied b. ~1917 — 12 household members
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Some home |
| 1935 Residence (County) | Some home |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Some home |
| 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 Lillian Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and father Stanley Johnson (~0.92 confidence) and mother Marie Johnson (~0.92 confidence) and father John Spencer (~0.92 confidence) and mother Maggie Spencer (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Stanley Johnson
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Marie Johnson
b. ~1896
Source mother
● Household
· direct · ~0.92
Father
John Spencer
b. ~1902
Source father
● Household
· direct · ~0.92
Mother
Maggie Spencer
b. ~1904
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Johnson
Daughter · 1940 · age 23 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Gilbert Spencer
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Spencer
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Spencer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Spencer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Spencer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Spencer
Sibling · 1940 · age 13
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-t0627-01530-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward C. Walker | 45 | Head | Labour | North Carolina |
| 2 | Maria Walker | 42 | Wife | — | South Carolina |
| 3 | Richard Granville | 35 | Son in law | Porter | Virginia |
| 4 | Josephine Granville | 24 | Daughter | — | North Carolina |
| 5 | Geraldine Granville | 12 | Daughter | — | Maryland |
| 6 | Adelaide Charles | 26 | Lodger | — | South Carolina |
| 7 | James Charles | 28 | Lodger | — | South Carolina |
| 8 | Henry Hunt | 39 | Head | Truck Driver | Virginia |
| 9 | Hattie Hunt | 40 | Wife | Labour | South Carolina |
| 10 | Henry Jr. Hunt | 13 | Son | — | Maryland |
| 11 | Annie Hunt | 9 | Daughter | — | Maryland |
| 12 | Mary Hunt | 7 | Daughter | — | Maryland |
| 13 | Evelyn Ragin | 15 | Daughter | — | South Carolina |
| 14 | Thomas Ragin | 21 | Step son | Porter | South Carolina |
| 15 | Helen Logan | 12 | Lodger | — | South Carolina |
| 16 | Eddie Washington | 45 | Head | — | South Carolina |
| 17 | Mary Mcclary | 14 | Niece | — | South Carolina |
| 18 | Inez Jackson | 23 | Lodger | Housework | South Carolina |
| 19 | Victoria Robertson | 55 | Head | Housework | Virginia |
| 20 | Virginia Robertson | 23 | Daughter | — | Virginia |
| 21 | Dorothy Robertson | 6 | Daughter | — | Maryland |
| 22 | William Daniels | 32 | Son | Labour | Virginia |
| 23 | Howard Daniels | 30 | Son | Labour | Virginia |
| 24 | John Spencer | 38 | Head | Labour | Maryland |
| 25 | Maggie Spencer | 36 | Wife | — | Maryland |
| 26 | Bernice Spencer | 16 | Daughter | — | Maryland |
| 27 | Horace Spencer | 13 | Son | — | Maryland |
| 28 | James Spencer | 10 | Son | — | Maryland |
| 29 | John Spencer | 8 | Son | — | Maryland |
| 30 | Gilbert Spencer | 5 | Son | — | Maryland |
| 31 | Shirley Spencer | 0 | Daughter | — | Maryland |
| 32 | Lillian Johnson THIS PERSON | 23 | Daughter | — | Maryland |
| 33 | Melvin Johnson | 4 | Grand son | — | Maryland |
| 34 | Rosalie Johnson | 2 | Grand daughter | — | Maryland |
| 35 | Thomas Clinton | 28 | Lodger | Labour | Maryland |
| 36 | William Rabb | 22 | Head | Labour | South Carolina |
| 37 | Maggie Rabb | 38 | Wife | — | North Carolina |
| 38 | Margaret Bullock | 15 | Daughter | — | North Carolina |
| 39 | Archie Bullock | 1 | Son | — | Maryland |
| 40 | Sandra Butters | 1 | Grand daughter | — | Maryland |
Pedigree Summary
Lillian + 6 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)