LJ
Louis Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Louis Jackson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Ethel — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jackson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | C |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Ethel Jackson | Daughter | — | 23 | ~1917 |
| Ethel Jackson | Head | — | 37 | ~1903 |
| Louis Jackson | Son | — | 21 | ~1919 |
| Myrtle Jackson | Daughter | — | 5 | ~1935 |
| Wm Jackson | Son | — | 19 | ~1921 |
| Eddie Randolph | Other | — | 35 | ~1905 |
Census Appearances
1920
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1920
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Jackson |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 6 household members
| Surname | Jackson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | C |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| Highest Grade | H-4 |
| 1935 Residence | Maryland |
| 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 Louis Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Jackson (~0.92 confidence) and mother Ethel Jackson (~0.92 confidence) and mother Lillian Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jackson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ethel Jackson
b. ~1903
Source mother
● Household
· direct · ~0.92
Mother
Lillian Jackson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Jackson
Son · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Ethel Jackson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wm Jackson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Jackson
Sibling · 1940 · age 5
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-t0627-01526-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Keys | 42 | Head | — | Virginia |
| 2 | Margaret D. Keys | 40 | Wife | — | Virginia |
| 3 | Catherine Keys | 13 | Daughter | — | Maryland |
| 4 | Margaret Keys | 7 | Daughter | — | Maryland |
| 5 | Herbert Jr. Keys | 3 | Son | — | Maryland |
| 6 | Thomas Thruston | 38 | Head | Copper Washer | Maryland |
| 7 | Lottie Thruston | 32 | Wife | — | Maryland |
| 8 | Mary Thruston | 2 | Daughter | — | Maryland |
| 9 | Empty | None | — | — | — |
| 10 | Elias Ufalander | 38 | Head | Maid | Maryland |
| 11 | Viola Ufalander | 31 | Wife | — | Virginia |
| 12 | Elias Jr. Ufalander | 8 | Son | — | Maryland |
| 13 | Nathaniel Ufalander | 6 | Daughter | — | Maryland |
| 14 | Lillian Ufalander | 5 | Daughter | — | Maryland |
| 15 | Martha Ufalander | 3 | Daughter | — | Maryland |
| 16 | Ethel Jackson | 37 | Head | — | Maryland |
| 17 | Ethel Jackson | 23 | Daughter | — | Maryland |
| 18 | Louis Jackson THIS PERSON | 21 | Son | — | Maryland |
| 19 | Wm. Henry Jackson | 19 | Son | — | Maryland |
| 20 | Myrtle Jackson | 5 | Daughter | — | Maryland |
| 21 | Eddie Randolph | 35 | Lodger | Woods | Virginia |
| 22 | Albert Foley | 56 | Head | — | Maryland |
| 23 | Annie V. Foley | 46 | Wife | — | Virginia |
| 24 | James Foley | 13 | Son | — | Maryland |
| 25 | Virginia Foley | 12 | Daughter | — | Maryland |
| 26 | Margaret Weston | 36 | Head | — | Maryland |
| 27 | James Weston | 16 | Son | — | Maryland |
| 28 | Gloria Weston | 12 | Daughter | — | Maryland |
| 29 | John Weston | 9 | Son | — | Maryland |
| 30 | Christine Weston | 6 | Daughter | — | Maryland |
| 31 | Martha Weston | 4 | Daughter | — | Maryland |
| 32 | Mary Weston | 2 | Daughter | — | Maryland |
| 33 | Minnie Jenkins | 36 | Head | — | Maryland |
| 34 | Dorothy Jenkins | 21 | Daughter | — | Maryland |
| 35 | Robert Jenkins | 19 | Son | Cafeteria | Maryland |
| 36 | Marian Jenkins | 16 | Daughter | — | Maryland |
| 37 | Edwynne Jenkins | 12 | Daughter | — | Maryland |
| 38 | Gilbert Jenkins | 9 | Son | — | Maryland |
| 39 | Harold Jenkins | 5 | Son | — | Maryland |
| 40 | Edith Mosley | 3 | Daughter | — | Maryland |
Related Census Records
Pedigree Summary
Louis + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)