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Sadie Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Sadie Williams across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 6-person household.
Age 47
b. ~1893
Female
Spouse
Born: Newfoundland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Williams |
| Given Name | Sadie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| 1935 Residence (City) | Balto Md |
| 1935 Residence (County) | Baltimore City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | No |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
| Township / Ward | Balto Md |
| Est. Birth Year | ~1893 |
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 Sadie | Age | Birth yr |
|---|---|---|---|---|
| John Williams | Son | — | 12 | ~1928 |
| John Williams | Head | — | 46 | ~1894 |
| Francis Williams | Son | — | 10 | ~1930 |
| Sadie Williams | Spouse | — | 47 | ~1893 |
| Mary Williams | Daughter | — | 17 | ~1923 |
| Deloras Williams | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 38
Baltimore, Maryland · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Sadie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| Year of Immigration | 1914 |
| Age at First Marriage | 23 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
1940
Baltimore-City-County, Maryland
Spouse, age 47
Baltimore-City-County, Maryland · implied b. ~1893 — 6 household members
| Surname | Williams |
| Given Name | Sadie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| 1935 Residence (City) | Balto Md |
| 1935 Residence (County) | Baltimore City |
| Naturalization Status | Naturalized |
| Class of Worker | No |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
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 Sadie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sadie Williams
Spouse · 1940 · age 47 · b. ~1893 · Maryland
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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-t0627-01515-00439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H Serfass | 57 | Head | Tool Dept. | Pennsylvania |
| 2 | Mary Serfass | 54 | Wife | — | Baltimore Md |
| 3 | Magnus Kline | 31 | Head | Welder | Maryland |
| 4 | Elizabeth Kline | 32 | Wife | — | Balto Md |
| 5 | Magnus D Kline | 9 | Son | — | Balto Md |
| 6 | Bennie D Kline | 7 | Son | — | Balto Md |
| 7 | Jerry W Kline | 5 | Son | — | Balto Md |
| 8 | Anna R Marvel | 62 | Head | — | Maryland |
| 9 | John O'Donnell | 43 | Head | Electrician | Balto Md |
| 10 | Lillie M O'Donnell | 38 | Wife | — | Maryland |
| 11 | Justine O'Donnell | 21 | Son | Book Keeper | Balto Md |
| 12 | Philip O'Donnell | 12 | Son | — | Balto Md |
| 13 | Kathryne Spann | 49 | Head | — | Balto Md |
| 14 | Andrew Spann | 32 | Son | Manager | Balto Md |
| 15 | Hilda Spann | 36 | daughter | Secretary | Balto Md |
| 16 | Robert Spann | 13 | Son | — | Balto Md |
| 17 | John Smith | 58 | Head | Manager | Balto Md |
| 18 | Elizabeth Smith | 59 | Wife | — | Balto Md |
| 19 | Ezekiel Williams | 59 | Head | Lutinant | Maryland |
| 20 | Lillie Williams | 62 | Wife | — | Balto Md |
| 21 | Margaret Williams | 26 | Daughter | Saleslady | Balto Md |
| 22 | Mary F Aubrey | 70 | Head | Saleslady Retail Dept Store | Balto Md |
| 23 | Ella Maccubbin | 67 | Sister | — | Balto Md |
| 24 | Harriett Dellins | 62 | Head | Saleslady | Balto Md |
| 25 | Florence Dellins | 58 | Sister | — | Balto Md |
| 26 | — | None | — | — | — |
| 27 | Charles Carroll | 27 | Head | Lithographer | Balto Md |
| 28 | Margaret Carroll | 24 | Wife | — | Maryland |
| 29 | Patricia Carroll | 2 | Daughter | — | Balto Md |
| 30 | Samuel Hyman | 36 | Head | Production | Russia |
| 31 | Jeanette Hyman | 25 | Wife | Operator | Balto Md |
| 32 | John J Williams | 46 | Head | Painter | Newfoundland |
| 33 | Sadie Williams THIS PERSON | 47 | Wife | — | Newfoundland |
| 34 | Mary A Williams | 17 | Daughter | — | Balto Md |
| 35 | Deloras Williams | 14 | Daughter | — | Balto Md |
| 36 | John V Williams | 12 | Son | — | Balto Md |
| 37 | Francis W Williams | 10 | Son | — | Balto Md |
| 38 | George W Peterson | 51 | Head | Salesman | Maryland |
| 39 | Gertrude Peterson | 51 | Wife | — | Maryland |
| 40 | George W Jr Peterson | 22 | Son | Clerical | Maryland |
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)