BJ
Benjamin Jones — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Benjamin Jones across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 47
b. ~1883
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Jones |
| Given Name | Benjamin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1883 |
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 1930 census.
| Name | Relation to head | Relative to Benjamin | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Jones | Head | — | 47 | ~1883 |
| Annie Jones | Spouse | — | 36 | ~1894 |
| Viola Jones | Daughter | — | 11 | ~1919 |
Census Appearances
1920
Prince George, …
Head, age 37
Prince George, Maryland · implied b. ~1883 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Benjamin |
| Relationship to Head | head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 47
Baltimore, Maryland · implied b. ~1883 — 3 household members
| Surname | Jones |
| Given Name | Benjamin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 55
Baltimore-City-County, Maryland · implied b. ~1885 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Benjamin |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Gardener |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 468 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Benjamin Jones across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Benjamin Jones
Head · 1930 · age 47 · b. ~1883 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
13 people indexed on this census page (ia:1930:15thcensus858unit:0546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benjamin Jones THIS PERSON | 47 | Head | Laborer | Maryland |
| 2 | Annie Jones | 36 | Wife | Servant | Maryland |
| 3 | Viola Jones | 11 | Daughter | — | Maryland |
| 4 | Jesse Cousin | 37 | Head | Laborer | Virginia |
| 5 | Delcie Cousin | 32 | Wife | Servant | Maryland |
| 6 | Arthur Byrd | 32 | Lodger | Truck Driver | West Indies |
| 7 | Maggie Braxton | 45 | Lodger | Servant | North Carolina |
| 8 | Maud Harris | 35 | Head | Servant | Virginia |
| 9 | Rosalie Harris | 18 | Daughter | Servant | Virginia |
| 10 | James Harris | 17 | Son | Laborer | Virginia |
| 11 | Howard Harris | 15 | Son | — | Virginia |
| 12 | Mary Harris | 13 | Daughter | — | Virginia |
| 13 | Virginia Brown | 4 | Grand daughter | — | Virginia |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)