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 William & William — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Smith |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Tile Setter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 306 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Tile Setter |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Daughter | — | 16 | ~1924 |
| Frank Smith | Head | — | 58 | ~1882 |
| William Smith | Son | — | 57 | ~1883 |
| William Smith | Son | — | 21 | ~1919 |
| Augusta Smith | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, Maryland
Son, age 11
None, Maryland · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| 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 — 5 household members
| Surname | Smith |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Tile Setter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 306 |
| Highest Grade | H 3 |
| 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 3 locations, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and mother Augusta Smith (~0.92 confidence) and mother Susan Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1900
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Augusta Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Susan Smith
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Smith
Son · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Margaret Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1940 · age 57
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-t0627-01542-00159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank E Smith | 58 | Head | Clerk | Maryland |
| 2 | William H Smith | 57 | Son | — | Maryland |
| 3 | Augusta Smith | 57 | Wife | — | Maryland |
| 4 | William Jr Smith THIS PERSON | 21 | Son | Tile Setter | Maryland |
| 5 | Margaret E Smith | 16 | Daughter | — | Maryland |
| 6 | Bruce E Morrison | 40 | Head | Salesman | Kentucky |
| 7 | Ethel E Morrison | 38 | Wife | — | Maryland |
| 8 | Charles P Morrison | 11 | Son | — | Maryland |
| 9 | Rebecca Jones | 84 | Head | — | Maryland |
| 10 | Joshua Jones | 85 | Husband | — | Maryland |
| 11 | William J Jones | 59 | Son | Own Business | Maryland |
| 12 | Elmer Jones | 57 | Son | — | Maryland |
| 13 | Maude Matthew | 52 | Head | — | Maryland |
| 14 | Evelyn Woodruff | 27 | Daughter | Secretary | Maryland |
| 15 | Elinore Matthew | 18 | Daughter | Packer | Maryland |
| 16 | Hazel Matthew | 16 | Daughter | — | Maryland |
| 17 | Elizabeth Matthew | 14 | Daughter | — | Maryland |
| 18 | Joan Matthew | 13 | Daughter | — | Maryland |
| 19 | Paul Matthew | 11 | Son | — | Pennsylvania |
| 20 | Emma Batchelor | 73 | Mother | — | Maryland |
| 21 | John E Prendergast | 75 | Head | — | Maryland |
| 22 | Anna J Prendergast | 75 | Wife | — | Ireland |
| 23 | Oneil Prendergast | 33 | Son | Clerk | Maryland |
| 24 | Honora Prendergast | 30 | Daughter | Secretary | Maryland |
| 25 | Patrick Prendergast | 9 | Son | — | Maryland |
| 26 | Cecilia Prendergast | 6 | Grand Daughter | — | Maryland |
| 27 | Arthur E Persten | 43 | Head | Route Manager | Maryland |
| 28 | Frances L Persten | 43 | Wife | — | Maryland |
| 29 | Marion Meiser | 20 | Daughter | — | Maryland |
| 30 | Margaret Meiser | 13 | Daughter | — | Maryland |
| 31 | Ada P Simmons | 63 | In Law | — | Maryland |
| 32 | Paul Hochschild | 60 | Head | Own Business | Germany |
| 33 | Annie Hochschild | 45 | Wife | — | Germany |
| 34 | Richard Hochschild | 11 | Son | — | Germany |
| 35 | Sidney Zerritz | 39 | Head | Own Business | Maryland |
| 36 | Lillian Zerritz | 38 | Wife | — | Russia |
| 37 | Warren Zerritz | 2 | Son | — | Maryland |
| 38 | Harry Meagher | 41 | Head | Collector | Maryland |
| 39 | Beulah Meagher | 51 | Wife | Cashier | Maryland |
| 40 | Elizabeth Dimmick | 35 | Lodger | — | New Jersey |
Pedigree Summary
William + 2 siblings
Gen 1 · 5 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)