LJ
Lucille Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Lucille Johnson across the 1920, 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Nettie — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Johnson |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist 9 Cross Roads |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Industry | OT |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election Dist 9 Cross Roads |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucille | Age | Birth yr |
|---|---|---|---|---|
| Ida Johnson | Daughter | — | 18 | ~1922 |
| Lucille Johnson | Daughter | — | 24 | ~1916 |
| Nettie Washington | Head | — | 47 | ~1893 |
Census Appearances
Daughter, age 4
Charles, Maryland · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lucile |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Daughter, age 14
Charles, Maryland · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| 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
Charles-County, Maryland
Daughter, age 24
Charles-County, Maryland · implied b. ~1916 — 3 household members
| Surname | Johnson |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist 9 Cross Roads |
| 1935 Residence (County) | Charles |
| Industry | OT |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Lucille Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and mother Nettie Washington (~0.92 confidence) and mother Nettie Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Nettie Washington
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Nettie Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
William Johnson
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
Lucille Johnson
Daughter · 1940 · age 24 · b. ~1916 · Maryland
★ You are viewing this record
Sibling
Ida Johnson
Sibling · 1940 · age 18
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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benjamin Richardson | 60 | Head | Fishing | Maryland |
| 2 | Alberta Richardson | 33 | Wife | — | Maryland |
| 3 | James Richardson | 22 | Son | — | Maryland |
| 4 | Fannie Richardson | 24 | Daughter in law | — | Maryland |
| 5 | Howard Marbury | 9 | Son | — | Maryland |
| 6 | Herman Carroll | 13 | Lodger | — | Pennsylvania |
| 7 | Annabell Carroll | 10 | Lodger | — | Maryland |
| 8 | Edgar Haywood | 61 | Head | Minister | Maryland |
| 9 | Henrietta Haywood | 65 | Wife | — | Maryland |
| 10 | Harry Franklin | 51 | Head | Carpenter | Maryland |
| 11 | Irene Franklin | 46 | Wife | — | Maryland |
| 12 | Elsie Franklin | 19 | Daughter | — | Maryland |
| 13 | Charlotte Franklin | 73 | Head | — | Maryland |
| 14 | Carrie Monkista | 50 | Head | — | Maryland |
| 15 | Sarah Monkista | 10 | Grand daughter | — | Maryland |
| 16 | Ruth Monkista | 7 | Grand daughter | — | Maryland |
| 17 | Samuel Washington | 64 | Head | Farmer | Maryland |
| 18 | Nettie Washington | 47 | Head | — | Maryland |
| 19 | Lucille Johnson THIS PERSON | 24 | Daughter | — | Maryland |
| 20 | Ida Johnson | 18 | Daughter | — | Maryland |
| 21 | Alexander Washington | 32 | Head | Farm Hand | Maryland |
| 22 | Electa B. Washington | 28 | Wife | — | Pennsylvania |
| 23 | Esther Washington | 4 | Daughter | — | Maryland |
| 24 | Carrie Johnston | 79 | Head | — | Maryland |
| 25 | Samuel Johnston | 36 | Son | Woodcutter | Maryland |
| 26 | Annie Johnston | 33 | Daughter in law | — | Maryland |
| 27 | Lollie Johnston | 15 | Grand daughter | — | Maryland |
| 28 | Russell Johnston | 13 | Grand son | — | Maryland |
| 29 | Maude Johnston | 12 | Grand daughter | — | Maryland |
| 30 | Estelle Johnston | 11 | Grand daughter | — | Maryland |
| 31 | Jefferson Johnston | 8 | Grand son | — | Maryland |
| 32 | Lloyd Johnston | 7 | Grand son | — | Maryland |
| 33 | Thelma Johnston | 5 | Grand daughter | — | Maryland |
| 34 | Gloria Johnston | 3 | Grand daughter | — | Maryland |
| 35 | Evelyn Johnston | 1 | Grand daughter | — | Maryland |
| 36 | Betty Lou Johnston | 12 | Daughter | — | Maryland |
| 37 | Thomas Washington | 29 | Head | Farm Laborer | Maryland |
| 38 | Hilda G. Washington | 25 | Wife | — | Maryland |
| 39 | Albert B. Washington | 5 | Son | — | Maryland |
| 40 | Earnist Washington | 5 | Son | — | Maryland |
Related Census Records
Pedigree Summary
Lucille + 1 sibling
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 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)