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John Shields — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this John Shields across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 2-person household.
Age 58
b. ~1882
Male
Head
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Shields |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Fitchburg |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | machinist |
| Industry | Saw shop |
| Class of Worker | PW |
| Income (1939) | 3263 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Machinist |
| Township / Ward | Fitchburg |
| Est. Birth Year | ~1882 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Robert Shields | Son | — | 25 | ~1915 |
| John Shields | Head | — | 58 | ~1882 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 38
Middlesex, Massachusetts · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Vermont |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Worcester, Massachusetts
Head, age 48
Worcester, Massachusetts · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shield |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 29 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Vermont |
| Occupation | Machinist |
| Industry | Saw + Steel Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Worcester-County, Massachusetts
Head, age 58
Worcester-County, Massachusetts · implied b. ~1882 — 2 household members
| Surname | Shields |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Fitchburg |
| 1935 Residence (County) | Worcester |
| Occupation | machinist |
| Industry | Saw shop |
| Class of Worker | PW |
| Income (1939) | 3263 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Shields across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
John Shields
Head · 1940 · age 58 · b. ~1882 · Massachusetts
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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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01648-00211)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Stanton | 50 | Wife | Np | Maine |
| 2 | Bertha Levine | 53 | Head | House Work | Massachusetts |
| 3 | Myron Levine | 24 | Son | Clerk | Massachusetts |
| 4 | Philip Levine | 16 | Son | — | Massachusetts |
| 5 | Albert Hanna | 41 | Head | Gun Checker | Massachusetts |
| 6 | Margaret Farwell | 68 | Head | — | Massachusetts |
| 7 | Lovell Farwell | 28 | Son | — | Massachusetts |
| 8 | Richard Erwin | 28 | Head | Truck Driver | Massachusetts |
| 9 | Juanita Erwin | 31 | Wife | — | Maine |
| 10 | Joan Erwin | 1 | daughter | — | Massachusetts |
| 11 | Henry Stoddard | 60 | Head | Express Messenger | Massachusetts |
| 12 | Mabel Stoddard | 57 | Wife | — | Massachusetts |
| 13 | Charlotte Stoddard | 29 | daughter | Clerk | Massachusetts |
| 14 | Kenneth Stoddard | 29 | Son | — | Massachusetts |
| 15 | Lester Stoddard | 26 | Son | Machine Operator | Massachusetts |
| 16 | Eleanor Stoddard | 20 | daughter | Nurse Girl | Massachusetts |
| 17 | Josephine Leslie | 59 | Head | Treasurer | Massachusetts |
| 18 | Florence Rublee | 67 | Head | — | Massachusetts |
| 19 | Norman Rublee | 31 | Son | Salesman | Massachusetts |
| 20 | Alfred Lawton | 75 | Head | Manager | Massachusetts |
| 21 | Fanny Lawton | 66 | Wife | Packer | Massachusetts |
| 22 | Harry Crosby | 60 | Head | Engineer | New Hampshire |
| 23 | Viola Crosby | 58 | Wife | — | Massachusetts |
| 24 | Paul Crosby | 29 | Son | — | Massachusetts |
| 25 | Roy Littlehale | 82 | Head | — | Massachusetts |
| 26 | Nellie Littlehale | 78 | Wife | — | Massachusetts |
| 27 | John Shields THIS PERSON | 58 | Head | Machinist | Vermont |
| 28 | Robert Shields | 25 | Son | Fireman | Massachusetts |
| 29 | William Davis | 67 | Head | — | Rhode Island |
| 30 | Ada Davis | 65 | Wife | — | Rhode Island |
| 31 | William Flynn | 24 | Head | Salesman | Rhode Island |
| 32 | Rita Flynn | 24 | Wife | — | New York |
| 33 | Thomas Sweeney | 55 | Head | Superintendent | Massachusetts |
| 34 | Helen Sweeney | 49 | Wife | — | Massachusetts |
| 35 | Thomas Sweeney | 23 | Son | — | Massachusetts |
| 36 | Robert Burns | 56 | Head | Medical Doctor | Massachusetts |
| 37 | Catherine Burns | 35 | Wife | — | Massachusetts |
| 38 | Robert Burns | 21 | Son | — | Massachusetts |
| 39 | Henry Warren | 36 | Head | Lawyer | Massachusetts |
| 40 | Margaret Warren | 35 | 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)