LJ
Lucille Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Lucille Jones across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 8-person household.
Age 24
b. ~1916
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 200 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Maid |
| Township / Ward | Baltimore |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucille | Age | Birth yr |
|---|---|---|---|---|
| James Campbell | Son | — | 27 | ~1913 |
| Reginald Jones | Son | — | 9 | ~1931 |
| Helen Campbell | Daughter | — | 25 | ~1915 |
| Kennard Williams | Son | — | 15 | ~1925 |
| Horatio Jones | Son | — | 13 | ~1927 |
| Lucy Jones | Head | — | 44 | ~1896 |
| Lucille Jones | Daughter | — | 24 | ~1916 |
| Pennington Jones | Son | — | 11 | ~1929 |
Census Appearances
1930
None, Maryland
Other, age 13
None, Maryland · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lucille |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| 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 24
Baltimore-City-County, Maryland · implied b. ~1916 — 8 household members
| Surname | Jones |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 200 |
| Highest Grade | No 6 |
| 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 Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucille Jones
Daughter · 1940 · age 24 · b. ~1916 · Maryland
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Sibling
James Campbell
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Campbell
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pennington Jones
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horatio Jones
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reginald Jones
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kennard Williams
Sibling · 1940 · age 15
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-t0627-01523-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alphonsus Wyler | 17 | Son | New Worker | Maryland |
| 42 | Minnie Wyler | 16 | Daughter | New Worker | Maryland |
| 43 | Henry Wyler | 14 | Son | New Worker | Maryland |
| 44 | Virginia Wyler | 9 | Daughter | — | Maryland |
| 45 | Clayton Wyler | 12 | Son | — | Maryland |
| 46 | Linwood Wyler | 7 | Son | — | Maryland |
| 47 | Gertrude Wyler | 5 | Daughter | — | Maryland |
| 48 | Alethia Wyler | 3 | Daughter | — | Maryland |
| 49 | Standley Wyler | 12 | Son | — | Maryland |
| 50 | Leon Wyler | 2 | Grandson | — | Maryland |
| 51 | Mackey Otho | 54 | Head | Chauffeur | Maryland |
| 52 | Mabel Otho | 52 | Wife | — | Maryland |
| 53 | Otho Jr. Otho | 24 | Son | Porter | Maryland |
| 54 | Laura Otho | 21 | Daughter | Maid | Maryland |
| 55 | Beatrice Otho | 18 | Daughter | — | Maryland |
| 56 | Arthur Otho | 13 | Son | — | Maryland |
| 57 | Edith Otho | 7 | Daughter | — | Maryland |
| 58 | Walter Chapman | 10 | Lodger | — | Maryland |
| 59 | Joseph Mackey | 31 | Head | Chauffeur | Maryland |
| 60 | Mary Mackey | 26 | Wife | — | Maryland |
| 61 | Clara Mackey | 6 | Daughter | — | Maryland |
| 62 | Lucy V. Jones | 44 | Head | — | Maryland |
| 63 | Lucille Jones THIS PERSON | 24 | Daughter | Maid | Maryland |
| 64 | Helen Campbell | 25 | Daughter | Maid | Maryland |
| 65 | James Campbell | 27 | Son | Cook | Maryland |
| 66 | Kennard Williams | 15 | Son | — | Maryland |
| 67 | Horatio M. Jones | 13 | Son | — | Maryland |
| 68 | Pennington Jones | 11 | Son | — | Maryland |
| 69 | Reginald Jones | 9 | Son | — | Maryland |
| 70 | Lucie Grant | 27 | Head | Maid | Virginia |
| 71 | Alice Jackson | 67 | Mother | Cook | Virginia |
| 72 | Clara Pratt | 34 | Lodger | Instructor | Maryland |
| 73 | Henry Graham | 31 | Lodger | Cook | Maryland |
| 74 | Albert Graham | 24 | Lodger | Chauffeur | Maryland |
| 75 | Charlotte Epps | 36 | Head | — | Carolina |
| 76 | Marion Epps | 12 | Daughter | — | Maryland |
| 77 | Charles Epps | 11 | Son | — | Maryland |
| 78 | William Epps | 4 | Son | — | Maryland |
| 79 | George Edwards | 48 | Lodger | — | Maryland |
| 80 | Edith Thorpe | 26 | Lodger | Nurse | Maryland |
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)