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John Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this John Armstrong across the 1910, 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Armstrong |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Plymouth (Town) |
| 1935 Residence (County) | Plymouth |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Reporter |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2100 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Reporter |
| Township / Ward | Plymouth Town |
| Est. Birth Year | ~1902 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Pauline Armstrong | Daughter | — | 9 | ~1931 |
| John Armstrong | Head | — | 38 | ~1902 |
| William Wilson | Other | — | 56 | ~1884 |
| Sadie Mackay | Other | — | 35 | ~1905 |
| Julia Armstrong | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Plymouth, Massachusetts
Son, age 7
Plymouth, Massachusetts · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1902 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Plymouth, Massachusetts
Son, age 18
Plymouth, Massachusetts · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | scotland |
1930
Plymouth, Massachusetts
Head, age 28
Plymouth, Massachusetts · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Nova Scotia |
| Occupation | salesman |
| Industry | plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 26 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Plymouth-County, Massachusetts
Head, age 38
Plymouth-County, Massachusetts · implied b. ~1902 — 5 household members
| Surname | Armstrong |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Plymouth (Town) |
| 1935 Residence (County) | Plymouth |
| Naturalization Status | Naturalized |
| Occupation | Reporter |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2100 |
| Highest Grade | H 4 |
| 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 John Armstrong across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Armstrong (~0.92 confidence) and father John Armstrong (~0.92 confidence) and mother Catherine Armstrong (~0.92 confidence) and mother Florence Armstrong (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Armstrong
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Armstrong
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Catherine Armstrong
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Florence Armstrong
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Armstrong
Head · 1940 · age 38 · b. ~1902 · 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-t0627-01639-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edgar L. Turner | 65 | Head | — | New York |
| 2 | Annie M. Turner | 57 | Wife | — | Massachusetts |
| 3 | John Mutrie | 65 | Head | Machinist | Germany |
| 4 | Margaret Mutrie | 69 | Wife | — | Germany |
| 5 | Louis Mutrie | 41 | Son | Chiropodist | Massachusetts |
| 6 | Michael J. Moran | 38 | Roomer | Salesman | Ireland |
| 7 | Ethel M. Gardner | 44 | Head | — | Maine |
| 8 | Bertha D. Libbins | 63 | Mother | — | Canada English |
| 9 | Charlotte F. Burgess | 71 | Head | — | Massachusetts |
| 10 | Margaret Cameron | 71 | Roomer | — | Canada French |
| 11 | Walter C. Parsons | 66 | Boarder | Gardner | Maine |
| 12 | John A. Armstrong THIS PERSON | 38 | Head | Reporter | Scotland |
| 13 | Julia E. Armstrong | 31 | Wife | Hairdresser | Massachusetts |
| 14 | Pauline J. Armstrong | 9 | Daughter | — | Massachusetts |
| 15 | Sadie B. Mackay | 35 | Servant | Servant | Massachusetts |
| 16 | William H. Wilson | 56 | Boarder | Weaver | Irish Free State |
| 17 | Rose Gould | 28 | Head | — | Canada French |
| 18 | Robert Mickle | 3 | Son | — | Massachusetts |
| 19 | Joseph Marvelli | 64 | Head | Salesman | Italy |
| 20 | Teresa Marvelli | 53 | Wife | Proprietor | Italy |
| 21 | Charles H. Tillson | 67 | Head | Owner | Massachusetts |
| 22 | Margaret Souza | 31 | Sister-in-law | Waitress | Massachusetts |
| 23 | Antonio A. Viella | 37 | Head | Percher | Massachusetts |
| 24 | Margaret F. Viella | 33 | Wife | — | Massachusetts |
| 25 | Robert A. Viella | 4 | Son | — | Massachusetts |
| 26 | Marie A. Viella | 2 | Daughter | — | Massachusetts |
| 27 | Margaret Hickey | 65 | Sister-in-law | — | Massachusetts |
| 28 | Albert Extrom | 32 | Lodger | Fisherman | Finland |
Pedigree Summary
John
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)