MJ
Marie Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Marie Jackson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Female
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jackson |
| Given Name | Marie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore city |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Robert Jackson | Son | — | 15 | ~1925 |
| Marie Jackson | Head | — | 40 | ~1900 |
| George Jackson | Son | — | 16 | ~1924 |
| Virginia Jackson | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Baltimore, Maryland
Other, age 19
Baltimore, Maryland · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Domestic |
| Industry | Private family |
| 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 30
Baltimore, Maryland · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Marie |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 40
Baltimore-City-County, Maryland · implied b. ~1900 — 4 household members
| Surname | Jackson |
| Given Name | Marie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore city |
| Highest Grade | No 6 |
| 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 Marie Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Jackson
Head · 1940 · age 40 · b. ~1900 · 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-t0627-01527-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosetta Adams | 6 | Daughter | — | Maryland |
| 2 | Celeste Adams | 4 | Daughter | — | Maryland |
| 3 | Raymond Stacy | 52 | Head | Maider | Maryland |
| 4 | Elizabeth Thomas | 36 | Lodger | Domestic | Georgia |
| 5 | Nathaniel Brown | 29 | Head | — | North Carolina |
| 6 | Rosa Brown | 23 | Wife | Domestic | South Carolina |
| 7 | Charles Crawley | 39 | Head | Laborer | Virginia |
| 8 | Loddie Crawley | 32 | Wife | — | Virginia |
| 9 | Levina Davis | 16 | Step daughter | — | West Virginia |
| 10 | Richard Pratt | 38 | Lodger | Laborer | Virginia |
| 11 | Sarah Crawley | 23 | Sister | Domestic | Virginia |
| 12 | Jerome James | 46 | Head | Private Work | Virginia |
| 13 | Mary James | 34 | Wife | — | Virginia |
| 14 | Richard Young | 60 | Head | Porter | Maryland |
| 15 | Florence Young | 48 | Wife | — | Maryland |
| 16 | Francis Young | 17 | Son | — | Maryland |
| 17 | Bernard Young | 27 | Son | Laundry | Maryland |
| 18 | Ruth Young | 23 | Daughter-in-law | — | Maryland |
| 19 | Simon Woodson | 53 | Head | Laborer | Virginia |
| 20 | Annie Woodson | 47 | Wife | — | Virginia |
| 21 | Charles Henry | 23 | Step-son | — | Maryland |
| 22 | Harold Henry | 20 | Step-son | — | Maryland |
| 23 | Cornelius Woodson | 10 | Son | — | Maryland |
| 24 | James Woodson | 7 | Son | — | Maryland |
| 25 | Walter Woodson | 1 | Son | — | Maryland |
| 26 | Sampson Woodson | 47 | Brother | Laborer | Maryland |
| 27 | William Hill | 59 | Head | Laborer | West Virginia |
| 28 | Catherine Hill | 59 | Wife | Domestic | West Virginia |
| 29 | Sarah Wilson | 24 | Lodger | Domestic | North Carolina |
| 30 | John Rogers | 35 | Head | Laborer | North Carolina |
| 31 | Ethel Rogers | 30 | Wife | — | North Carolina |
| 32 | Eunice Rogers | 6 | Daughter | — | North Carolina |
| 33 | James King | 36 | Head | Laborer | Maryland |
| 34 | Neda King | 27 | Wife | — | Maryland |
| 35 | Mary Thomas | 28 | Lodger | Domestic | Maryland |
| 36 | Aletha Smith | 40 | Lodger | — | Maryland |
| 37 | Marie Jackson THIS PERSON | 40 | Head | — | Maryland |
| 38 | George Jackson | 16 | Son | — | Maryland |
| 39 | Robert Jackson | 15 | Son | — | Maryland |
| 40 | Virginia Jackson | 12 | 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)