JJ
James Jones — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James Jones across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 5-person household.
Age 37
b. ~1893
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Jones |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Teamster |
| Industry | Coal yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $30 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Teamster |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1893 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alice Jones | Daughter | — | 10 | ~1920 |
| James Jones | Head | — | 37 | ~1893 |
| Milton Jones | Son | — | 3 | ~1927 |
| Albert Jones | Son | — | 8 | ~1922 |
| Pearl Jones | Spouse | — | 33 | ~1897 |
Census Appearances
1920
Baltimore, Maryland
Other, age 26
Baltimore, Maryland · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | James |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 37
Baltimore, Maryland · implied b. ~1893 — 5 household members
| Surname | Jones |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Teamster |
| Industry | Coal yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $30 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 46
Baltimore-City-County, Maryland · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | James |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | Black |
| Age | 46 |
| Marital Status | Divorced |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Musician |
| Industry | Independent |
| Class of Worker | OA |
| Hours Worked | 16 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 James Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Jones
Head · 1930 · age 37 · b. ~1893 · 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
50 people indexed on this census page (ia:1930:15thcensus863unit:0308)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alonzo Ross | 38 | Head | Laborer | Maryland |
| 2 | Sarah Ross | 37 | Wife | Maid | Maryland |
| 3 | Milton Johnson | 45 | Head | Laborer | Maryland |
| 4 | Gertrude Johnson | 30 | Wife | Laundress | Maryland |
| 5 | Wilfred Johnson | 19 | Son | Messenger | Maryland |
| 6 | Edwin Johnson | 16 | Son | — | Maryland |
| 7 | Gertrude Johnson | 15 | Daughter | — | Maryland |
| 8 | Emma Johnson | 14 | Daughter | — | Maryland |
| 9 | Sidney Johnson | 12 | Son | — | Maryland |
| 10 | Clifford Johnson | 10 | Son | — | Maryland |
| 11 | Paul Johnson | 8 | Son | — | Maryland |
| 12 | T. J. Jerry | 57 | Head | Laborer | Maryland |
| 13 | Rachel Jerry | 55 | Wife | — | Maryland |
| 14 | Edward Mason | 58 | Brother-in-law | Laborer | Maryland |
| 15 | William O'Neil | 70 | Head | Salesman | Maryland |
| 16 | Katie O'Neil | 41 | Wife | — | Russia |
| 17 | Mildred O'Neil | 10 | Daughter | — | Maryland |
| 18 | Charles De Coursey | 42 | Head | Stenographer | Maryland |
| 19 | Florence De Coursey | 42 | Wife | Maid | Maryland |
| 20 | Nathaniel Lynch | 15 | Grandson | — | Maryland |
| 21 | Dorothea Lynch | 12 | Granddaughter | — | Maryland |
| 22 | Charles Lynch | 10 | Grandson | — | Maryland |
| 23 | Thomas Jackson | 36 | Head | Laborer | Virginia |
| 24 | Alice Jackson | 35 | Wife | Laundress | Maryland |
| 25 | Mary L. Jackson | 16 | Daughter | — | Maryland |
| 26 | Mildred Jackson | 13 | Daughter | — | Maryland |
| 27 | Thomas Jr. Jackson | 11 | Son | — | Maryland |
| 28 | James Jackson | 9 | Son | — | Maryland |
| 29 | Robert M. Jackson | 7 | Son | — | Maryland |
| 30 | Arthur V. Jackson | 4 | Son | — | Maryland |
| 31 | Grace V. Jackson | 4 | Daughter | — | Maryland |
| 32 | Walter Jackson | 2 | Son | — | Maryland |
| 33 | Arthur Lawson | 34 | Head | Laborer | Ohio |
| 34 | Florence Lawson | 24 | Wife | Laundress | Maryland |
| 35 | William Smith | 29 | Head | Laborer | Kansas |
| 36 | Hattie Smith | 24 | Wife | Laundress | North Carolina |
| 37 | Dewey Dearborne | 25 | Boarder | Iron Worker | South Carolina |
| 38 | Archibald Jones | 52 | Head | Chauffeur | Maryland |
| 39 | Clara Jones | 37 | Wife | Laundress | Maryland |
| 40 | Irene Mcclain | 23 | Daughter | Maid | Virginia |
| 41 | Florence Mcclain | 20 | Daughter | Maid | Maryland |
| 42 | Emily Jones | 17 | Daughter | Maid | Maryland |
| 43 | Irma Jones | 13 | Daughter | — | Maryland |
| 44 | James Jones THIS PERSON | 37 | Head | Teamster | Maryland |
| 45 | Pearl Jones | 33 | Wife | Maid | Maryland |
| 46 | Alice Jones | 10 | Daughter | — | Maryland |
| 47 | Albert Jones | 8 | Son | — | Maryland |
| 48 | Milton Jones | 3 | Son | — | Maryland |
| 49 | Arthur Corbin | 49 | Head | Laborer | Maryland |
| 50 | Lucy Corbin | 48 | Wife | Laborer | Maryland |
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)