WJ
William Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Jackson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Lewis & Rachel — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jackson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Labor |
| Industry | Project Sewer Construction |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 788 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Labor |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1914 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Jackson | Head | — | 26 | ~1914 |
| William Jackson | Son | — | 1 | ~1939 |
| Dorothy Jackson | Spouse | — | 18 | ~1922 |
Census Appearances
1920
Baltimore, Maryland
Son, age 8
Baltimore, Maryland · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| 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 18
Baltimore, Maryland · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Pin Setter |
| Industry | Bowling Alley |
| 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 26
Baltimore-City-County, Maryland · implied b. ~1914 — 3 household members
| Surname | Jackson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Labor |
| Industry | Project Sewer Construction |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 788 |
| 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 William Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lewis Jackson (~0.92 confidence) and mother Rachel Jackson (~0.92 confidence) and mother Rosie Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lewis Jackson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Rachel Jackson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Rosie Jackson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Jackson
Head · 1940 · age 26 · b. ~1914 · 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-t0627-01517-00450)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lee Shipley | 37 | Lodger | Labor | South Carolina |
| 42 | Abe Thomas | 47 | Lodger | Porter | New York |
| 43 | Ethel Griffin | 27 | Head | — | Maryland |
| 44 | George Griffin | 3 | Son | — | Maryland |
| 45 | Jennet Griffin | 23 | Sister | Maid | Maryland |
| 46 | James Rowley | 30 | Lodger | Clerk | Virginia |
| 47 | Mary Rowley | 28 | Lodger | Cook | Virginia |
| 48 | Joe Jones | 32 | Head | Labor | Maryland |
| 49 | Rubie Jones | 28 | Wife | Maid | Maryland |
| 50 | Earl Jones | 8 | Son | — | Maryland |
| 51 | Beatrice Jones | 4 | Daughter | — | Maryland |
| 52 | Jerry Jones | 3 | Son | — | Maryland |
| 53 | Virginia Jones | 1 | Daughter | — | Maryland |
| 54 | Joseph Logdon | 50 | Lodger | Labor | Virginia |
| 55 | Alice Logdon | 14 | Daughter | — | Maryland |
| 56 | William Jackson THIS PERSON | 26 | Head | Labor | Maryland |
| 57 | Dorothy Jackson | 18 | Wife | None Worker | Maryland |
| 58 | William Jr. Jackson | 1 | Son | — | Maryland |
| 59 | Henry Henderson | 49 | Head | Labor | Virginia |
| 60 | Carrie Henderson | 34 | Wife | — | Virginia |
| 61 | Edgar Newton | 34 | Head | Labor | Maryland |
| 62 | Mabel Newton | 33 | Wife | Maid | Maryland |
| 63 | Dorothy Newton | 2 | Daughter | — | Maryland |
| 64 | Rowena Watts | 35 | Head | Maid | South Carolina |
| 65 | Archie Mclean | 52 | Head | Labor | North Carolina |
| 66 | Victory Mclean | 42 | Wife | Housewife | North Carolina |
| 67 | Eula Mclean | 20 | Daughter | Maid | North Carolina |
| 68 | Dorotha Mclean | 13 | Daughter | — | North Carolina |
| 69 | Alice Mclean | 11 | Daughter | — | North Carolina |
| 70 | Janet Mclean | 10 | Daughter | — | North Carolina |
| 71 | Charlie K. Mclean | 9 | Son | — | North Carolina |
| 72 | Delores Mclean | 1 | Daughter | — | Maryland |
| 73 | William Hollan | 39 | Head | Labor | Maryland |
| 74 | Rachel Hollan | 37 | Wife | Cook | Maryland |
| 75 | Lorraine Hollan | 13 | Daughter | — | Maryland |
| 76 | Rachel Miller | 68 | Mother in law | Housekeeper | Maryland |
| 77 | Agra Burnell | 66 | Head | Housewife | Maryland |
| 78 | Thomas Burnell | 23 | Son | Porter | North Carolina |
| 79 | Eugene Johnson | 26 | Head | Stevedore | New York |
| 80 | Mary E. Johnson | 32 | Wife | Cook | Virginia |
Pedigree Summary
William
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)