MK
Margaret Knight — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Margaret Knight across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed), with identified parents Charles & Leland — first a daughter (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Knight |
| Given Name | Margaret C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Westbrook City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Music Teacher |
| Industry | Private Teacher |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 914 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Teacher |
| Township / Ward | Westbrook City |
| Est. Birth Year | ~1915 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Robert Knight | Son | — | 16 | ~1924 |
| Elizabeth Knight | Daughter | — | 27 | ~1913 |
| Hortense Knight | Spouse | — | 48 | ~1892 |
| Margaret Knight | Daughter | — | 25 | ~1915 |
| Ethelyn Knight | Daughter | — | 20 | ~1920 |
| Leland Knight | Head | — | 56 | ~1884 |
Census Appearances
1920
Cumberland, Maine
Daughter, age 4
Cumberland, Maine · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Marguerite D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Daughter, age 14
Cumberland, Maine · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Daughter, age 25
Cumberland-County, Maine · implied b. ~1915 — 6 household members
| Surname | Knight |
| Given Name | Margaret C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Westbrook City |
| 1935 Residence (County) | Cumberland |
| Occupation | Music Teacher |
| Industry | Private Teacher |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 914 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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: father Charles Knight (~0.92 confidence) and father Leland Knight (~0.92 confidence) and mother Hortense Knight (~0.92 confidence) and mother Margaret Knight (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Knight
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Leland Knight
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Hortense Knight
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Margaret Knight
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Knight
Daughter · 1940 · age 25 · b. ~1915 · Maine
★ You are viewing this record
Sibling
Robert Knight
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethelyn Knight
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Knight
Sibling · 1940 · age 27
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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01477-00704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret E Prince | 25 | Daughter | — | Maine |
| 42 | Robert H Grant | 28 | Head | Time Keeper | Maine |
| 43 | Thelma L Grant | 28 | Wife | — | Maine |
| 44 | Peter A Grant | 2 | Son | — | Maine |
| 45 | Roy P Grant | 46 | Head | Machinist | Maine |
| 46 | Mina Grant | 48 | Wife | — | Maine |
| 47 | Warren L Sawyer | 46 | Head | Dispatcher | Maine |
| 48 | Mildred M Sawyer | 38 | Wife | Book Keeper | Maine |
| 49 | Jean Sawyer | 16 | Daughter | — | Maine |
| 50 | Leland W Knight | 56 | Head | Proprietor | Maine |
| 51 | Hortense W Knight | 48 | Wife | — | Maine |
| 52 | Elizabeth C Knight | 27 | Daughter | Demonstrator | Maine |
| 53 | Margaret C Knight THIS PERSON | 25 | Daughter | Music Teacher | Maine |
| 54 | Ethelyn H Knight | 20 | Daughter | — | Maine |
| 55 | Robert J Knight | 16 | Son | — | Maine |
| 56 | Lester M Wormell | 25 | Head | Partner | Maine |
| 57 | Martha L Wormell | 21 | Wife | — | Maine |
| 58 | Robbie M Wormell | 2 | Son | — | Maine |
| 59 | Anne L Wormell | 1 | Daughter | — | Maine |
| 60 | Lester M Jr. Wormell | 0 | Son | — | Maine |
| 61 | Niels N. Que | 64 | Head | Machinist | Maine |
| 62 | Nora B Que | 55 | Wife | — | Maine |
| 63 | Everett P Ingell | 46 | Head | Production Manager | Maine |
| 64 | Imogene W Ingell | 46 | Wife | — | Maine |
| 65 | Everett P Jr. Ingell | 18 | Son | — | Maine |
| 66 | Joyce R Ingell | 13 | Daughter | — | Maine |
| 67 | Annie B Wormwood | 77 | Mother-in-law | — | Maine |
| 68 | Arthur J. Tourangeau | 46 | Head | Draftsman | Maine |
| 69 | Alice B Tourangeau | 44 | Wife | — | Maine |
| 70 | Arthur P Tourangeau | 8 | Son | — | Maine |
| 71 | James N Waldron | 35 | Head | Forester | Maine |
| 72 | Alice L Waldron | 34 | Wife | — | Maine |
| 73 | Robert J Waldron | 11 | Son | — | Maine |
| 74 | Gerald H Knight | 42 | Head | Dentist | Maine |
| 75 | Alma L Knight | 39 | Wife | — | Canada English |
| 76 | Kenneth S Stone | 44 | Head | Superintendent | New York |
| 77 | Helena H. Stone | 45 | Wife | — | Massachusetts |
| 78 | Kenneth S Jr. Stone | 19 | Son | — | Portland |
| 79 | David E Stone | 14 | Son | — | Maine |
| 80 | Gregory H Stone | 12 | Son | — | Maine |
Pedigree Summary
Margaret + 3 siblings
Gen 1 · 4 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)