AW
Andrew Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Andrew Williams across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Richard & Richard — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Williams |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Assorter |
| Industry | Brick yard |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 442 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Assorter |
| Township / Ward | Baltimore City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Bessie Williams | Daughter | — | 18 | ~1922 |
| Richard Williams | Head | — | 67 | ~1873 |
| Andrew Williams | Son | — | 21 | ~1919 |
| Irvin Williams | Son | — | 46 | ~1894 |
Census Appearances
1920
Baltimore, Maryland
Son, age 3
Baltimore, Maryland · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| 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 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Andrew |
| 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 — 4 household members
| Surname | Williams |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Assorter |
| Industry | Brick yard |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 442 |
| 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 Andrew Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Williams (~0.92 confidence) and father Richard Williams (~0.92 confidence) and father Salisbury Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Williams
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Richard Williams
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Salisbury Williams
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Andrew Williams
Son · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Bessie Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Williams
Sibling · 1940 · age 46
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-t0627-01534-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Mccabe | 5 | daughter | — | Maryland |
| 42 | Alexander Mccabe | 4 | son | — | Maryland |
| 43 | Rudolph Mccabe | 2 | son | — | Maryland |
| 44 | Edward Mallack | 53 | Head | Laborer | Maryland |
| 45 | Laura Mallack | 44 | wife | — | Maryland |
| 46 | Margaret Mallack | 14 | daughter | — | Maryland |
| 47 | Edward Mallack | 13 | son | — | Maryland |
| 48 | Charles Buther | 40 | Head | Janitor | Maryland |
| 49 | Laura King Keene | 39 | Head | Housekeeper | Maryland |
| 50 | Mildred Keene | 16 | daughter | — | Maryland |
| 51 | David Keene | 14 | son | — | Maryland |
| 52 | William H Keene | 64 | son | — | Maryland |
| 53 | Albert Stewart | 39 | Head | Laborer | New York |
| 54 | Edna Stewart | 40 | wife | — | Maryland |
| 55 | Mamie Stewart | 7 | daughter | — | Maryland |
| 56 | William R Stewart | 4 | son | — | Maryland |
| 57 | Albert Stewart | 3 | son | — | Maryland |
| 58 | Percy E Stewart | 1 | son | — | Maryland |
| 59 | Lawrence Allen | 45 | Head | Junk Man | Connecticut |
| 60 | Ella Allen | 44 | wife | — | Maryland |
| 61 | Maybella Smith | 18 | Lodger | — | Maryland |
| 62 | Henry Smith | 36 | Head | Truck Driver | North Carolina |
| 63 | Zelda Robinson | 23 | common-in-law-wife | — | Maryland |
| 64 | Richard Williams | 67 | Head | — | Maryland |
| 65 | Irvin Williams | 46 | son | Helper | Maryland |
| 66 | Andrew Williams THIS PERSON | 21 | son | Assorter | Maryland |
| 67 | Bessie Williams | 18 | daughter | — | Maryland |
| 68 | Mary E. Ferguson | 54 | Head | — | Maryland |
| 69 | John Holman | 30 | Lodger | Laborer | Maryland |
| 70 | Peter J Jones | 30 | Head | Labor Work | Virginia |
| 71 | Catherine Jones | 24 | wife | — | Maryland |
| 72 | Alexander Jones | 2 | son | — | Maryland |
| 73 | James Jones | 1 | son | — | Maryland |
| 74 | William J. Fisher | 57 | Head | Dump Collector | Maryland |
| 75 | Charles N Banks | 65 | Partner | Coal Handler | Maryland |
| 76 | Paul E. Thomas Jr. | 31 | Head | Labor Street Construction | Maryland |
| 77 | Flossie Thomas Jr. | 33 | wife | — | Maryland |
| 78 | Congress B. Thomas Jr. | 10 | son | — | Maryland |
| 79 | Andrew T. Thomas Jr. | 6 | son | — | Maryland |
| 80 | Inez T. Thomas Jr. | 5 | daughter | — | Maryland |
Pedigree Summary
Andrew + 2 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)