LJ
Lena Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Lena Jones across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Lena |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (County) | Baltimore, City |
| Additional Details | |
| Highest Grade | H-2 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lena | Age | Birth yr |
|---|---|---|---|---|
| Alberta Jones | Daughter | — | 11 | ~1929 |
| Dorothy Jones | Daughter | — | 16 | ~1924 |
| George Jones | Son | — | 12 | ~1928 |
| William Jones | Son | — | 14 | ~1926 |
| Louis Jones | Son | — | 7 | ~1933 |
| Lena Jones | Daughter | — | 15 | ~1925 |
| William Jones | Head | — | 52 | ~1888 |
| Albert Jones | Son | — | 11 | ~1929 |
| Marian Jones | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 4
Baltimore, Maryland · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lena |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 9 household members
| Surname | Jones |
| Given Name | Lena |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (County) | Baltimore, City |
| Highest Grade | H-2 |
| 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 Lena Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lena Jones
Daughter · 1940 · age 15 · b. ~1925 · Maryland
★ You are viewing this record
Sibling
George Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Jones
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Jones
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Jones
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jones
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Jones
Sibling · 1940 · age 11
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-t0627-01534-00795)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Geraldine Saunders | 5 | Daughter | — | — |
| 42 | Charles Bradford | 41 | Head | 40 | Maryland |
| 43 | Wardell Bradford | 18 | Son | 18 | Maryland |
| 44 | Evelyn Bradford | 15 | Daughter | — | Maryland |
| 45 | Mary Bradford | 13 | Daughter | — | Maryland |
| 46 | Georgia Queen | 54 | Lodger | — | Maryland |
| 47 | Ernest Gunther | 20 | Lodger | — | Virginia |
| 48 | Joseph Hammond | 20 | Lodger | 45 | Virginia |
| 49 | Frederick Dorsey | 5 | Lodger | — | — |
| 50 | Brown Victoria | 42 | Head | — | South Carolina |
| 51 | Pearl Alston | 16 | Daughter | 24 | Maryland |
| 52 | Gladys Alston | 16 | Daughter | — | Maryland |
| 53 | Robert Frances | 48 | Head | 58 | Illinois |
| 54 | Nancy Frances | 50 | Wife | 26 | Maryland |
| 55 | James Hiller | 40 | Lodger | 15 | South Carolina |
| 56 | William Jones | 52 | Head | 48 | North Carolina |
| 57 | Marian Jones | 47 | Wife | — | Virginia |
| 58 | Dorothy Jones | 16 | Daughter | 17 | Maryland |
| 59 | Lena Jones THIS PERSON | 15 | Daughter | — | Maryland |
| 60 | William Jones | 14 | Son | — | Maryland |
| 61 | George Jones | 12 | Son | — | Maryland |
| 62 | Alberta Jones | 11 | Daughter | — | Maryland |
| 63 | Albert Jones | 11 | Son | — | Maryland |
| 64 | Louis Jones | 7 | Son | — | Maryland |
| 65 | Mary Partlow | 23 | Head | — | Maryland |
| 66 | Marian Partlow | 5 | Daughter | — | Maryland |
| 67 | Carl Partlow | 2 | Son | — | Maryland |
| 68 | William Partlow | 1 | Son | — | Maryland |
| 69 | Joseph Johnson | 42 | Head | 3 | Virginia |
| 70 | Viola Johnson | 30 | Wife | — | Virginia |
| 71 | Joseph Johnson | 14 | Son | — | Virginia |
| 72 | John F Johnson | 12 | Son | — | Virginia |
| 73 | Eva M Johnson | 9 | Daughter | — | Virginia |
| 74 | Jerrytina Williams | 47 | Head | — | Maryland |
| 75 | Samuel J Williams | 43 | Brother | 40 | Maryland |
| 76 | George P Williams | 40 | Brother | 40 | Maryland |
| 77 | William Davis | 38 | Head | — | North Carolina |
| 78 | Irene Davis | 36 | Wife | — | Maryland |
| 79 | Mildred Davis | 17 | Daughter | — | Maryland |
| 80 | Wilbur Davis | 15 | Son | — | 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)