JK
James Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this James Knight across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 5-person household.
Age 65
b. ~1875
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Knight |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Plymouth (Town) |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 78 |
| Income (1939) | 480 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Plymouth Town |
| Est. Birth Year | ~1875 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Agnes Knight | Daughter | — | 12 | ~1928 |
| Virginia Knight | Daughter | — | 19 | ~1921 |
| James Knight | Head | — | 65 | ~1875 |
| Philip Knight | Other | — | 4 | ~1936 |
| Ella Knight | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Plymouth, Massachusetts
Head, age 44
Plymouth, Massachusetts · implied b. ~1876 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Steam fitter |
| Industry | Hardware Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Head, age 55
Plymouth, Massachusetts · implied b. ~1875 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 17 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Steam Fitter |
| Industry | Independent |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Head, age 65
Plymouth-County, Massachusetts · implied b. ~1875 — 5 household members
| Surname | Knight |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Plymouth (Town) |
| 1935 Residence (County) | Plymouth |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 78 |
| Income (1939) | 480 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 James Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Knight
Head · 1940 · age 65 · b. ~1875 · Massachusetts
★ 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-01639-00765)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 45 | Arthur W Weston | 43 | Head | Laborer | Massachusetts |
| 46 | Elsie M Weston | 40 | Wife | — | Canada-English |
| 47 | Herbert W Weston | 19 | Son | Laborer | Massachusetts |
| 48 | Pauline B Weston | 16 | Daughter | — | Massachusetts |
| 49 | Ira C Weston | 10 | Son | — | Massachusetts |
| 50 | Walter C Weston | 8 | Son | — | Massachusetts |
| 51 | Benjamin C Weston | 5 | Son | — | Massachusetts |
| 52 | Charles A Weston | 3 | Son | — | Massachusetts |
| 61 | Francis R Holmes | 29 | Head | Laborer | Massachusetts |
| 62 | Nina L Holmes | 31 | Wife | — | Massachusetts |
| 63 | Sarah M Holmes | 8 | Daughter | — | Massachusetts |
| 64 | Esther L Holmes | 7 | Daughter | — | Massachusetts |
| 65 | Francis R Holmes | 4 | Son | — | Massachusetts |
| 66 | Rollene Holmes | 2 | Daughter | — | Massachusetts |
| 67 | Sandra M Holmes | 1 | Daughter | — | Massachusetts |
| 68 | Robert G Knight | 11 | Step-son | — | Massachusetts |
| 69 | James T Knight THIS PERSON | 65 | Head | Laborer | Massachusetts |
| 70 | Ella L Knight | 53 | Wife | — | Massachusetts |
| 71 | Virginia M Knight | 19 | Daughter | Laborer | Massachusetts |
| 72 | Agnes L Knight | 12 | Daughter | — | Massachusetts |
| 73 | Philip M Knight | 4 | Grandson | — | Massachusetts |
| 74 | Manuel A Silva | 52 | Head | Laborer | Portugal |
| 75 | Nilo E Rorpinen | 46 | Head | Grower | Finland |
| 76 | Elsie O Rorpinen | 39 | Wife | — | Massachusetts |
| 77 | Edward N Rorpinen | 20 | Son | Laborer | Massachusetts |
| 78 | Vino A Rorpinen | 18 | Son | Laborer | Massachusetts |
| 79 | William H Holmes | 35 | Head | Truck Driver | Massachusetts |
| 80 | Elizabeth R Holmes | 33 | Wife | — | Massachusetts |
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)