JJ
James Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Jackson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 11-person household.
Age 42
b. ~1898
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Laborer |
| Industry | Bldg. Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 975 |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1898 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Jean Jackson | Daughter | — | 5 | ~1935 |
| Joan Jackson | Daughter | — | 5 | ~1935 |
| Drucilla Jackson | Daughter | — | 12 | ~1928 |
| Edith Jackson | Daughter | — | 6 | ~1934 |
| Waria Jackson | Daughter | — | 9 | ~1931 |
| Oliva Jackson | Daughter | — | 16 | ~1924 |
| Lafrona Jackson | Daughter | — | 11 | ~1929 |
| James Jackson | Head | — | 42 | ~1898 |
| Melvin Jackson | Son | — | 2 | ~1938 |
| James Jackson | Son | — | 8 | ~1932 |
| Maria Jackson | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Baltimore, Maryland
Other, age 22
Baltimore, Maryland · implied b. ~1898 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Prisoner |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | W. Virginia |
| Mother's Birthplace | W. Virginia |
| Occupation | Laborer |
| Industry | B. C. Jail |
| 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
Other, age 31
Baltimore, Maryland · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Street |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 42
Baltimore-City-County, Maryland · implied b. ~1898 — 11 household members
| Surname | Jackson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Laborer |
| Industry | Bldg. Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 975 |
| Highest Grade | No 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 James Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Jackson
Head · 1940 · age 42 · b. ~1898 · Maryland
★ You are viewing this record
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-t0627-01531-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Byrd | 15 | Son | — | Maryland |
| 42 | James C. Bond | 50 | Head | Chauffeur | Maryland |
| 43 | Isabella Bond | 57 | Wife | — | Maryland |
| 44 | Luther Bond | 22 | Son | Porter | Maryland |
| 45 | Isabella Bond | 20 | Daughter | — | Maryland |
| 46 | Ruby Bond | 18 | Daughter | — | Maryland |
| 47 | Pearl Bond | 15 | Daughter | — | Maryland |
| 48 | Emory Bond | 14 | Son | — | Maryland |
| 49 | Frank Bond | 12 | Son | — | Maryland |
| 50 | Mandy Bond | 11 | Daughter | — | Maryland |
| 51 | Chole Bond | 8 | Daughter | — | Maryland |
| 52 | Arthur Johnson | 47 | Head | Sheet Metal Worker | Maryland |
| 53 | Mary Johnson | 38 | Wife | Servant | No. Carolina |
| 54 | Nathaniel Johnson | 22 | Son | Laborer | Maryland |
| 55 | Sarah Slowe | 36 | Sister in law | Charwoman | No. Carolina |
| 56 | Clara Slowe | 16 | Niece | — | Maryland |
| 57 | Walter Slowe | 12 | Nephew | — | Maryland |
| 58 | Horace W. Lomax | 44 | Head | Stevedore | Virginia |
| 59 | Lucielle Lomax | 38 | Wife | — | Virginia |
| 60 | Leroy H. Lomax | 20 | Son | New Worker | Maryland |
| 61 | Dolores C. Lomax | 16 | Daughter | — | Maryland |
| 62 | Eugenia A. Lomax | 13 | Daughter | — | Maryland |
| 63 | Beatrice V. Lomax | 7 | Daughter | — | Maryland |
| 64 | Carol B. Lomax | 5 | Daughter | — | Maryland |
| 65 | Gwendolyn Lomax | 3 | Daughter | — | Maryland |
| 66 | James Jackson THIS PERSON | 42 | Head | Laborer | Maryland |
| 67 | Maria Jackson | 29 | Wife | — | Virginia |
| 68 | Oliva Jackson | 16 | Daughter | — | Virginia |
| 69 | Drucilla Jackson | 12 | Daughter | — | Virginia |
| 70 | Lafrona Jackson | 11 | Daughter | — | Virginia |
| 71 | Waria Jackson | 9 | Daughter | — | Maryland |
| 72 | James Jackson | 8 | Son | — | Maryland |
| 73 | Edith Jackson | 6 | Daughter | — | Maryland |
| 74 | Jean Jackson | 5 | Daughter | — | Maryland |
| 75 | Joan Jackson | 5 | Daughter | — | Maryland |
| 76 | Melvin Jackson | 2 | Son | — | Maryland |
| 77 | Rev. Randolph A. Carr | 44 | Head | Clergyman | West Indies |
| 78 | Richard Snowden | 36 | Head | Laborer | Maryland |
| 79 | Edith Snowden | 27 | Wife | — | Virginia |
| 80 | Ella Snowden | 9 | 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)