WT
William Thornton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Thornton across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 9-person household.
Age 26
b. ~1914
Male
Son
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thornton |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Smelterer |
| Industry | Copper Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Smelterer |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Clarence Thornton | Son | — | 31 | ~1909 |
| Doris Lightfoot | Daughter | — | 10 | ~1930 |
| Minnie Thornton | Spouse | — | 53 | ~1887 |
| James Thornton | Son | — | 20 | ~1920 |
| William Thornton | Son | — | 26 | ~1914 |
| Vernon Lightfoot | Son | — | 8 | ~1932 |
| George Thornton | Head | — | 54 | ~1886 |
| Melvina Howard | Daughter | — | 23 | ~1917 |
| Lillian Lightfoot | Daughter | — | 29 | ~1911 |
Census Appearances
1930
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thornton |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Baltimore-City-County, Maryland
Son, age 26
Baltimore-City-County, Maryland · implied b. ~1914 — 9 household members
| Surname | Thornton |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Smelterer |
| Industry | Copper Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Thornton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Thornton
Son · 1940 · age 26 · b. ~1914 · Maryland
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Sibling
Doris Lightfoot
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Lightfoot
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thornton
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Thornton
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvina Howard
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Lightfoot
Sibling · 1940 · age 8
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-t0627-01520-00283)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Rosenthal | 46 | Head | Manager | Russia |
| 42 | Annie Rosenthal | 42 | Wife | — | Russia |
| 43 | Bernard Rosenthal | 20 | Son | — | Maryland |
| 44 | Elliott Hammerslau | 17 | Nephew | — | Maryland |
| 45 | Walter Cole | 26 | Head | Laborer | Maryland |
| 46 | Margaret Cole | 26 | Wife | — | Maryland |
| 47 | Joan Cole | 5 | Daughter | — | Maryland |
| 48 | Nina Cole | 4 | Daughter | — | Maryland |
| 49 | Barbara Cole | 2 | Daughter | — | Maryland |
| 50 | Walter Jr. Cole | 0 | Son | — | Maryland |
| 51 | George Thornton | 54 | Head | Janitor | Georgia |
| 52 | Minnie Thornton | 53 | Wife | — | Georgia |
| 53 | Clarence T. Thornton | 31 | Son | Chauffeur | Georgia |
| 54 | William Thornton THIS PERSON | 26 | Son | Smelterer | Georgia |
| 55 | James Thornton | 20 | Son | — | Georgia |
| 56 | Lillian Lightfoot | 29 | Daughter | Maid | Georgia |
| 57 | Doris Lightfoot | 10 | Daughter | — | Maryland |
| 58 | Vernon Lightfoot | 8 | Son | — | Maryland |
| 59 | Melvina Howard | 23 | Daughter | — | Georgia |
| 60 | Nannie Byrd | 60 | Head | Cook | Virginia |
| 61 | Reba Phillips | 34 | Daughter | Maid | Maryland |
| 62 | Robert Burley | 42 | Uncle | Laborer | Maryland |
| 63 | John Furley | 42 | Head | Riveter | N. Carolina |
| 64 | Mary Furley | 57 | Wife | — | Virginia |
| 65 | Sara Furley | 23 | Daughter | Cook | Virginia |
| 66 | Annie Roberts | 21 | Daughter | — | Maryland |
| 67 | John Turner | 25 | Head | Laborer | Maryland |
| 68 | Estelle Turner | 23 | Wife | — | Maryland |
| 69 | Howard Brown | 41 | Head | Cementer | Georgia |
| 70 | Carrie E. Brown | 38 | Wife | — | Georgia |
| 71 | William Faidley | 65 | Head | — | Maryland |
| 72 | Cora Faidley | 65 | Wife | — | Maryland |
| 73 | Robert Faidley | 22 | Son | Laborer | Maryland |
| 74 | Marie Powers | 35 | Daughter | Maid | Virginia |
| 75 | William Powers | 8 | Son | — | Virginia |
| 76 | George Faidley | 40 | Head | Operator | Maryland |
| 77 | Diana Faidley | 35 | Wife | — | Maryland |
| 78 | Gertrude Faidley | 13 | Daughter | — | Maryland |
| 79 | George Faidley | 12 | Son | — | Maryland |
| 80 | Charles Faidley | 10 | Son | — | 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)