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Robert Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Knight across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 7-person household.
Age 65
b. ~1875
Male
Head
Born: Scotland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Knight |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Munhall Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Munhall Boro |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Knight | Daughter | — | 35 | ~1905 |
| Janet Knight | Daughter | — | 22 | ~1918 |
| Jean Knight | Daughter | — | 37 | ~1903 |
| Robert Knight | Head | — | 65 | ~1875 |
| James Knight | Son | — | 21 | ~1919 |
| George Knight | Son | — | 23 | ~1917 |
| William Knight | Son | — | 28 | ~1912 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 45
Allegheny, Pennsylvania · implied b. ~1875 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Robert H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1883 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Steel Mills |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Head, age 56
Allegheny, Pennsylvania · implied b. ~1874 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 8500 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Allegheny-County, Pennsylvania
Head, age 65
Allegheny-County, Pennsylvania · implied b. ~1875 — 7 household members
| Surname | Knight |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Munhall Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Robert Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Knight
Head · 1940 · age 65 · b. ~1875 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03412-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Cepter | 54 | Wife | — | Pennsylvania |
| 2 | William Laird | 63 | Head | Janitor | Scotland |
| 3 | Marian B. Laird | 29 | Daughter | — | Pennsylvania |
| 4 | Andrew Brown | 44 | Head | Foreman | Pennsylvania |
| 5 | Marie Brown | 38 | Wife | — | Pennsylvania |
| 6 | Walter F. Peters | 46 | Head | Steel Worker | Pennsylvania |
| 7 | Esther A. Peters | 42 | Wife | — | Pennsylvania |
| 8 | Caroline L. Peters | 14 | Daughter | — | Pennsylvania |
| 9 | Burton Peters | 7 | Son | — | Pennsylvania |
| 10 | William A. Peters | 23 | Son | Steel Worker | Pennsylvania |
| 11 | Margaret Peters | 23 | Daughter in Law | — | Pennsylvania |
| 12 | John F. Sullivan | 48 | Head | Guard | Pennsylvania |
| 13 | Mamie Sullivan | 51 | Wife | — | Pennsylvania |
| 14 | John P. Sullivan | 22 | Son | Blacksmith Helper | Pennsylvania |
| 15 | Conrad Davis | 35 | Head | Plumber | Pennsylvania |
| 16 | Myrtle Davis | 33 | Wife | — | Pennsylvania |
| 17 | Myrtle Davis | 11 | Daughter | — | Pennsylvania |
| 18 | Alice Davis | 4 | Daughter | — | Pennsylvania |
| 19 | Michael C. Nugent | 49 | Head | Steel Worker | Pennsylvania |
| 20 | Helen C. Nugent | 46 | Wife | — | Pennsylvania |
| 21 | Robert Nugent | 25 | Son | — | Pennsylvania |
| 22 | Francis Nugent | 13 | Son | — | Pennsylvania |
| 23 | Agatha Murphy | 34 | Head | Demonstrator | Pennsylvania |
| 24 | Thomas Murphy | 2 | Son | — | Pennsylvania |
| 25 | Robert Knight THIS PERSON | 65 | Head | — | Scotland |
| 26 | Jean Knight | 37 | Daughter | Telephone Operator | Pennsylvania |
| 27 | Mary Knight | 35 | Daughter | Comptometer Operator | Pennsylvania |
| 28 | William Knight | 28 | Son | Clerk | Pennsylvania |
| 29 | George Knight | 23 | Son | Steel Worker | Pennsylvania |
| 30 | Janet Knight | 22 | Daughter | — | Pennsylvania |
| 31 | James Knight | 21 | Son | Swimming Instructor | Pennsylvania |
| 32 | Mildred Fenton | 34 | Head | Tel. | Ohio |
| 33 | Dorothy Fenton | 18 | Daughter | — | Pennsylvania |
| 34 | Richard Oakman | 71 | Head | — | Pennsylvania |
| 35 | Richard Oakman | 40 | Son | Estimator | Pennsylvania |
| 36 | Martha Oakman | 36 | Daughter in Law | — | Pennsylvania |
| 37 | Dorothy Oakman | 30 | Daughter | Stenographer | Pennsylvania |
| 38 | Esther Oakman | 35 | Daughter in Law | — | Pennsylvania |
| 39 | John R. West | 51 | Head | Labrer | Pennsylvania |
Related Census Records
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)