MK
Margaret Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Knight across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Knight |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1880 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Knight | Daughter | — | 36 | ~1904 |
| Margaret Knight | Spouse | — | 60 | ~1880 |
| Henry Knight | Head | — | 64 | ~1876 |
Census Appearances
1920
Baltimore, Maryland
Other, age 39
Baltimore, Maryland · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mary E. |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Canada |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, Maryland
Other, age 50
None, Maryland · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mary |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Social Worker |
| Industry | Church |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 60
Baltimore-City-County, Maryland · implied b. ~1880 — 3 household members
| Surname | Knight |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Margaret Knight across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Knight
Spouse · 1940 · age 60 · b. ~1880 · Maryland
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-01512-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Debelius | 28 | Head | Policeman | Maryland |
| 2 | Ruth Debelius | 26 | Wife | — | Maryland |
| 3 | Janet Debelius | 5 | Daughter | — | Maryland |
| 4 | Michael Alavarez | 69 | Head | Woodworker | Austria-Hung |
| 5 | Anastasia Alavarez | 66 | Wife | — | Austria-Hung |
| 6 | Thomas Hemberger | 27 | Head | Shoe Worker | Maryland |
| 7 | Josephine Hemberger | 27 | Wife | Shoe Operator | Maryland |
| 8 | Charles Hemberger | 5 | Son | — | Maryland |
| 9 | James Schindler | 29 | Head | Chauffeur | Maryland |
| 10 | Ellen Schindler | 28 | Wife | — | Maryland |
| 11 | Mary Jane Schindler | 5 | Daughter | — | Maryland |
| 12 | Joseph Schindler | 27 | Head | Cooper | Maryland |
| 13 | Ellen Schindler | 24 | Wife | — | Maryland |
| 14 | Joseph Schindler | 4 | Son | — | Maryland |
| 15 | Anna Batchler | 53 | Mother-in-law | Sewing Mach. | Maryland |
| 16 | William Studner | 39 | Head | Painter | Maryland |
| 17 | Elsie Studner | 36 | Wife | — | Maryland |
| 18 | Julia Studner | 13 | Daughter | — | Maryland |
| 19 | Barbara Studner | 8 | Daughter | — | Maryland |
| 20 | Milton Harmon | 26 | Head | Metal Polisher | Maryland |
| 21 | Mary Harmon | 21 | Wife | — | Maryland |
| 22 | Joseph Barnsley | 52 | Head | Stoker | Italy |
| 23 | Anna Barnsley | 53 | Wife | — | Maryland |
| 24 | Anna Barnsley | 15 | Daughter | — | Maryland |
| 25 | Ethel Barnsley | 12 | Daughter | — | Maryland |
| 26 | Joseph Barnsley | 10 | Son | — | Maryland |
| 27 | Frederick Barnsley | 8 | Son | — | Maryland |
| 28 | Frank Spinkalio | 45 | Head | Clerk | Maryland |
| 29 | Hattie Spinkalio | 40 | Wife | — | Virginia |
| 30 | Anna Spinkalio | 5 | Daughter | — | Maryland |
| 31 | Henry Knight | 64 | Head | Clerk | Maryland |
| 32 | Margaret Knight THIS PERSON | 60 | Wife | — | Maryland |
| 33 | Margaret Knight | 36 | Daughter | Milliner | Maryland |
| 34 | John Winklemacht | 55 | Head | Fireman | Maryland |
| 35 | Ruth Winklemacht | 32 | Wife | — | Maryland |
| 36 | Guy Valenzuella | 22 | Head | Ship Fitter | Maryland |
| 37 | Betty Valenzuella | 22 | Wife | Tailor | Maryland |
| 38 | George Kirkwood | 65 | Head | Elev. Operator | Maryland |
| 39 | Catherine Kirkwood | 65 | Wife | — | 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)