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Ollie Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ollie Jones across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Ollie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1926 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ollie | Age | Birth yr |
|---|---|---|---|---|
| Ollie Jones | Son | — | 14 | ~1926 |
| Thomas Jones | Son | — | 4 | ~1936 |
| Lucielle Jones | Head | — | 32 | ~1908 |
| Estelle Jones | Daughter | — | 9 | ~1931 |
| Lucielle Jones | Daughter | — | 7 | ~1933 |
| Kenneth Jones | Son | — | 12 | ~1928 |
| Gertrude Jones | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Baltimore, Maryland
Son, age 4
Baltimore, Maryland · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Olin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 14
Baltimore-City-County, Maryland · implied b. ~1926 — 7 household members
| Surname | Jones |
| Given Name | Ollie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | S 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 Ollie Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ollie Jones
Son · 1940 · age 14 · b. ~1926 · Maryland
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Sibling
Thomas Jones
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Jones
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucielle Jones
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Jones
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estelle Jones
Sibling · 1940 · age 9
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-t0627-01527-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pauline Gibson | 30 | Lodger | Mfg'S Patent Medicines | Maryland |
| 2 | Shirley Gibson | 8 | Lodger | — | Maryland |
| 3 | Charles Sivels | 34 | Head | Tailor | Virginia |
| 4 | Crisstella Pembleton | 38 | Head | — | Virginia |
| 5 | Irving Pembleton | 4 | Son | — | Pennsylvania |
| 6 | Hazel Johnson | 30 | Head | Houseworker | Maryland |
| 7 | Oscar Lebow | 42 | Head | Grocer | Russia |
| 8 | Rosa Lebow | 39 | Wife | — | Maryland |
| 9 | Frank Lebow | 15 | Son | — | Maryland |
| 10 | Herbert Lebow | 11 | Son | — | Maryland |
| 11 | Harriet Lebow | 6 | Daughter | — | Maryland |
| 12 | Lucielle Jones | 32 | Head | — | Virginia |
| 13 | Ollie Jones THIS PERSON | 14 | Son | — | Maryland |
| 14 | Kenneth Jones | 12 | Son | — | Maryland |
| 15 | Estelle Jones | 9 | Daughter | — | Maryland |
| 16 | Lucielle Jones | 7 | Daughter | — | Maryland |
| 17 | Gertrude Jones | 6 | Daughter | — | Maryland |
| 18 | Thomas Jones | 4 | Son | — | Maryland |
| 19 | Albert Anderson | 22 | Head | Laborer | North Carolina |
| 20 | Anna Anderson | 19 | Wife | — | Maryland |
| 21 | Stanley Anderson | 1 | Son | — | Maryland |
| 22 | Bessie Gorry | 57 | Head | Cook | Maryland |
| 23 | Hazel Garrett | 35 | Niece | Houseworker | Maryland |
| 24 | Elmira Allen | 40 | Head | Houseworker | Virginia |
| 25 | Henry Dorsey | 29 | Head | Laborer | Maryland |
| 26 | Dorothy Dorsey | 22 | Wife | — | Maryland |
| 27 | Margaret Floyd | 21 | Head | Houseworker | Maryland |
| 28 | Leon Colliver | 13 | Brother | — | Maryland |
| 29 | Charles Floyd | 38 | Head | Caretaker | Maryland |
| 30 | Olive Floyd | 38 | Wife | — | Maryland |
| 31 | Charles Hicks | 40 | Brother-in-law | Janitor | Maryland |
| 32 | Henry Brown | 47 | Head | Laborer | Mass. |
| 33 | Isabell Brown | 28 | Wife | Maid | Georgia |
| 34 | Margaret Brown | 12 | Daughter | — | Georgia |
| 35 | Leroy Brown | 10 | Son | — | Georgia |
| 36 | Bradley Kennedy | 24 | Head | Laborer | South Carolina |
| 37 | Kathrine Kennedy | 24 | Wife | Waitress | North Carolina |
| 38 | Mattie Mills | 28 | Head | Houseworker | Maryland |
| 39 | James Mills | 5 | Son | — | Maryland |
| 40 | Doris Mills | 3 | Daughter | — | 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)