MK
Margaret Knight — 1940 US Census Record
Model Tree available1940 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), with identified parents Mary — first a daughter (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Knight |
| Given Name | Margaret K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Automobile Club |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stenographer |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Maurice Knight | Son | — | 20 | ~1920 |
| Mary Knight | Head | — | 55 | ~1885 |
| Margaret Knight | Daughter | — | 28 | ~1912 |
Census Appearances
1920
Baltimore, Maryland
Other, age 8
Baltimore, Maryland · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Marie G |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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 18
Baltimore, Maryland · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Marie |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Packing |
| Industry | Box factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 28
Baltimore-City-County, Maryland · implied b. ~1912 — 3 household members
| Surname | Knight |
| Given Name | Margaret K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Stenographer |
| Industry | Automobile Club |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 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 2 locations, using XGBoost record linkage. Identified parents: mother Mary Knight (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Knight
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Knight
Daughter · 1940 · age 28 · b. ~1912 · Maryland
★ You are viewing this record
Sibling
Maurice Knight
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
40 people indexed on this census page (nara:1940:m-t0627-01526-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Steel | 34 | Lodger | Waitress | Maryland |
| 42 | Beulah Broderick | 52 | Lodger | Cripple | Virginia |
| 43 | Rae Lechner | 42 | Lodger | Saleslady | Maryland |
| 44 | Frank Ridenour | 53 | Head | Night Watchman | Pennsylvania |
| 45 | Catherine Ridenour | 49 | Wife | Practical Nurse | Pennsylvania |
| 46 | Geraldine V Ridenour | 21 | Daughter | Waitress | Pennsylvania |
| 47 | Edward J Holbert | 27 | Head | Truck Driver | Maryland |
| 48 | Margaret E Holbert | 17 | Wife | — | Maryland |
| 49 | Mary L Taylor | 42 | Head | Clerical Position | Maryland |
| 50 | Alice L Taylor | 21 | Daughter | Nurse | Maryland |
| 51 | Louis La Borwit | 52 | Head | Salesman | Russia |
| 52 | Elizabeth La Borwit | 50 | Wife | — | Maryland |
| 53 | Morris Hollander | 56 | Head | Shoemaker | Hungary |
| 54 | Sarah Hollander | 52 | Wife | — | Hungary |
| 55 | Anna Hollander | 24 | Daughter | Teacher | Maryland |
| 56 | Eleanor Hollander | 21 | Daughter | Teacher | Maryland |
| 57 | Margaret Hollander | 19 | Daughter | — | Maryland |
| 58 | Olga Bernstein | 26 | Daughter | Teacher | Hungary |
| 59 | John L Johnson | 50 | Head | Checker | Maryland |
| 60 | Ella Johnson | 58 | Wife | — | Virginia |
| 61 | John Clayton | 14 | Step-son | — | Maryland |
| 62 | Rose Taft | 57 | Head | Supervisor | Russia |
| 63 | Minne Streitfield | 35 | Niece | — | Pennsylvania |
| 64 | Nathaniel Streitfield | 14 | 2nd Nephew | — | Pennsylvania |
| 65 | David Jordan | 67 | Head | Salesman | Germany |
| 66 | Emma Jordan | 67 | Wife | — | Germany |
| 67 | Manfred Goldsmith | 26 | Nephew | Outside Salesman | Germany |
| 68 | Mary Knight | 55 | Head | — | Maryland |
| 69 | Margaret K Knight THIS PERSON | 28 | Daughter | Stenographer | Maryland |
| 70 | Maurice L Knight | 20 | Son | Clerk | Maryland |
| 71 | Siegfried Neumann | 44 | Head | Clerk | Germany |
| 72 | Frieda Neumann | 39 | Wife | — | Germany |
| 73 | Hans Neumann | 10 | Son | — | Germany |
| 74 | Paul Neumann | 4 | Son | — | Germany |
| 75 | Rosa Neumann | 55 | Sister | — | Germany |
| 76 | Ferdinand Neumann | 86 | Father | Too Old To Work | Germany |
| 77 | Charles Sohler | 48 | Head | Salesman | Maryland |
| 78 | Cecelia Sohler | 47 | Wife | — | Maryland |
| 79 | Allen Sohler | 15 | Son | — | Maryland |
| 80 | Carson Sohler | 12 | Son | — | Maryland |
Pedigree Summary
Margaret + 1 sibling
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)