WS
William Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Smith across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Susie — first a son (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Son
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Smith |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 400 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1910 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Ruth Smith | Daughter | — | 25 | ~1915 |
| Susie Smith | Head | — | 60 | ~1880 |
| Jerry Gallanoa | Other | — | 25 | ~1915 |
| Annabella Smith | Other | — | 20 | ~1920 |
| William Smith | Son | — | 30 | ~1910 |
| William Smith | Son | — | 20 | ~1920 |
Census Appearances
1920
Baltimore, Maryland
Other, age 9
Baltimore, Maryland · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | William |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 20
Baltimore, Maryland · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | William |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Fertilizer |
| 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
Son, age 30
Baltimore-City-County, Maryland · implied b. ~1910 — 6 household members
| Surname | Smith |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 400 |
| Highest Grade | No 9 |
| 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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Susie Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Susie Smith
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Smith
Son · 1940 · age 30 · b. ~1910 · Maryland
★ You are viewing this record
Sibling
Ruth Smith
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1940 · age 20
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
38 people indexed on this census page (nara:1940:m-t0627-01529-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elsworth Tuner | 66 | Head | — | Maryland |
| 42 | Edmonia Tuner | 60 | Wife | — | Maryland |
| 43 | Susie Smith | 60 | Head | — | Maryland |
| 44 | William Smith THIS PERSON | 30 | Son | Laborer | Maryland |
| 45 | Ruth Smith | 25 | Daughter | Maid | Maryland |
| 46 | William Smith | 20 | Son | New Worker | Maryland |
| 47 | Jerry Gallanoa | 25 | Son-in-law | Waiter | Manilla |
| 48 | Annabella Smith | 20 | Daughter-in-law | — | Maryland |
| 50 | Samuel Williams | 76 | Head | — | Maryland |
| 51 | Anita Williams | 48 | Daughter | Social Worker | Maryland |
| 52 | Sarah Williams | 40 | Daughter | — | Maryland |
| 53 | Samuel Williams | 38 | Son | Chauffeur | Maryland |
| 54 | Mabel Williams | 35 | Daughter-in-law | Supervisor | Virginia |
| 55 | Genevieve Walker | 19 | Daughter | — | Maryland |
| 56 | John Johnson | 51 | Head | Laborer | Maryland |
| 57 | Lila Johnson | 54 | Wife | — | Maryland |
| 58 | Ida Johnson | 14 | Daughter | — | Maryland |
| 59 | Emily Gill | 69 | Lodger | — | Maryland |
| 60 | Annie Gross | 79 | Grandmother | — | Maryland |
| 61 | Edward Brooks | 56 | Head | Laborer | N. Carolina |
| 62 | Sally Brooks | 41 | Wife | — | N. Carolina |
| 63 | William Henry | 15 | Nephew | — | N. Carolina |
| 64 | Rogers Henry | 30 | Brother | — | N. Carolina |
| 65 | James Simpson | 39 | Head | Laborer | S. Carolina |
| 66 | Lannie Simpson | 66 | Mother | — | S. Carolina |
| 67 | Willie Mae Simpson | 33 | Daughter | Laundress | S. Carolina |
| 68 | Thomas Jenkins | 65 | Head | — | Maryland |
| 69 | Mary Jenkins | 45 | Wife | — | Wash. D.C. |
| 70 | Dorothy Jenkins | 13 | Daughter | — | Maryland |
| 71 | Leonard Jenkins | 11 | Daughter | — | Maryland |
| 72 | Careda Jenkins | 25 | Daughter | Domestic | Maryland |
| 73 | Agnes Robinson | 38 | Head | Domestic | Virginia |
| 74 | Roland Robinson | 14 | Son | — | Maryland |
| 75 | Sarah Robinson | 12 | Daughter | — | Maryland |
| 76 | Vernette Robinson | 10 | Daughter | — | Maryland |
| 77 | Alverta Robinson | 9 | Daughter | — | Maryland |
| 78 | Ruth Robinson | 7 | Daughter | — | Maryland |
| 79 | Mary Glenn | 26 | Head | Maid | S. Carolina |
Pedigree Summary
William + 2 siblings
Gen 1 · 1 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)