JW
James Welch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Welch across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Welch |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Compressor Operator |
| Industry | Boston Gas Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 383 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Compressor Operator |
| Township / Ward | Boston City |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Patricia Welch | Daughter | — | 3 | ~1937 |
| James Welch | Head | — | 21 | ~1919 |
| Frank Greeley | Other | — | 27 | ~1913 |
| William Welch | Son | — | 4 | ~1936 |
| Robert Welch | Son | — | ~1940 | |
| James Welch | Son | — | 2 | ~1938 |
| Richard Welch | Son | — | 3 | ~1937 |
| Francis Welch | Son | — | 2 | ~1938 |
| Margaret Welch | Spouse | — | 21 | ~1919 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 9 household members
| Surname | Welch |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Compressor Operator |
| Industry | Boston Gas Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 383 |
| Highest Grade | Hs 1 |
| 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 Welch across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Welch
Head · 1940 · age 21 · b. ~1919 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01679-00331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roland Hartfield | 26 | Head | Federal Constable | Massachusetts |
| 2 | Idalina Hartfield | 22 | Wife | — | Massachusetts |
| 3 | Elizabeth A Hartfield | 2 | Daughter | — | Massachusetts |
| 4 | Walter Hartfield | 0 | Son | — | Massachusetts |
| 5 | Rome Weston | 41 | Head | — | Kentucky |
| 6 | Russell Weston | 14 | Son | — | Massachusetts |
| 7 | Ruth Weston | 11 | Daughter | — | Massachusetts |
| 8 | Carl Lundgren | 46 | Lodger | Laborer | Sweden |
| 9 | Thomas Lundgren | 45 | Lodger | — | Massachusetts |
| 10 | Mary Montel | 24 | Head | — | Massachusetts |
| 11 | James Montel | 2 | Son | Sheet Metal Worker | Massachusetts |
| 12 | Mary Lacey | 55 | Head | — | Massachusetts |
| 13 | Catherine Buckley | 50 | Sister | — | Massachusetts |
| 14 | Clare Buckley | 15 | Niece | — | Massachusetts |
| 15 | Joseph Hennes | 32 | Head | Chauffeur | Massachusetts |
| 16 | Margaret Hennes | 36 | Wife | — | Massachusetts |
| 17 | George Hennes | 14 | Son | — | Massachusetts |
| 18 | James Hennes | 12 | Son | — | Massachusetts |
| 19 | Paul Hennes | 8 | Son | — | Massachusetts |
| 20 | John Hennes | 7 | Son | — | Massachusetts |
| 21 | Elizabeth Hennes | 5 | Daughter | — | Massachusetts |
| 22 | Barbara Hennes | 2 | Daughter | — | Massachusetts |
| 23 | Walter Mcneil | 31 | Head | Stock Clerk | Massachusetts |
| 24 | Bertha Mcneil | 28 | Wife | — | Maine |
| 25 | Walter Mcneil | 4 | Son | — | Massachusetts |
| 26 | Lorraine Mcneil | 2 | Daughter | — | Massachusetts |
| 27 | James Welch THIS PERSON | 21 | Head | Compressor Operator | Massachusetts |
| 28 | Margaret Welch | 21 | Wife | — | Massachusetts |
| 29 | Patricia Welch | 3 | Daughter | — | Massachusetts |
| 30 | James Jr Welch | 2 | Son | — | Massachusetts |
| 31 | Robert Welch | 0 | Son | — | Massachusetts |
| 32 | William Welch | 4 | Son | — | Massachusetts |
| 33 | Richard Welch | 3 | Son | — | Massachusetts |
| 34 | Francis Welch | 2 | Son | — | Massachusetts |
| 35 | Frank Greeley | 27 | Brother | Mileage Clerk | Massachusetts |
| 36 | Robert Berdaly | 35 | Head | Furniture Mover | Massachusetts |
| 37 | Ruth Berdaly | 32 | Wife | — | Canadian English |
| 38 | Eleanor Berdaly | 13 | Daughter | — | Massachusetts |
| 39 | Thelma Berdaly | 10 | Daughter | — | Massachusetts |
| 40 | Donald Berdaly | 9 | Son | — | Massachusetts |
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)