JG
John Gallagher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this John Gallagher across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Male
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Gallagher |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | civil engineer |
| Industry | own business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Civil Engineer |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1864 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Gallagher | Daughter | — | 42 | ~1898 |
| Marion Gallagher | Daughter | — | 48 | ~1892 |
| John Gallagher | Head | — | 76 | ~1864 |
Census Appearances
1920
Worcester, Massachusetts
Head, age 56
Worcester, Massachusetts · implied b. ~1864 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1877 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ireland |
| Occupation | Civil Engineer |
| Industry | Contractor |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Year of Naturalization | 1883 |
| Birthplace (normalized) | england |
1930
Worcester, Massachusetts
Head, age 66
Worcester, Massachusetts · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1860 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Civil Engineer |
| Industry | Self |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Worcester-County, Massachusetts
Head, age 76
Worcester-County, Massachusetts · implied b. ~1864 — 3 household members
| Surname | Gallagher |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Occupation | civil engineer |
| Industry | own business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Gallagher
Head · 1940 · age 76 · b. ~1864 · 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 — 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-t0627-01712-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Humphrey | 58 | Head | Lawyer | Canada |
| 2 | Georgie Humphrey | 55 | Wife | — | Indiana |
| 3 | George Jr. Humphrey | 25 | Son | None | Massachusetts |
| 4 | Agnes Humphrey | 24 | Daughter | File Clerk | Massachusetts |
| 5 | Kenneth Humphrey | 22 | Son | Laborer | Massachusetts |
| 6 | Robert Humphrey | 21 | Son | Machinist | Massachusetts |
| 7 | Elizabeth Humphrey | 20 | Daughter | File Clerk | Massachusetts |
| 8 | Adolf Anderson | 37 | Head | Worker | Sweden |
| 9 | Elsie Anderson | 33 | Wife | — | Sweden |
| 10 | Donald Anderson | 4 | Son | — | Massachusetts |
| 11 | Gustaf Pearson | 69 | Head | Emory Worker | Sweden |
| 12 | Ellen M. Pearson | 53 | Wife | — | Sweden |
| 13 | John J. Gallagher THIS PERSON | 76 | Head | Civil Engineer | England |
| 14 | Marion E. Gallagher | 48 | Daughter | Statistical Clerk | Massachusetts |
| 15 | Catherine Gallagher | 42 | Daughter | — | Massachusetts |
| 16 | William E. Payne | 60 | Head | Vault Clerk | England |
| 17 | Sadie E. Payne | 72 | Wife | — | Maine |
| 18 | Paul S. Hayward | 35 | Head | Wire Worker | Massachusetts |
| 19 | Dorothy Hayward | 37 | Wife | — | Massachusetts |
| 20 | Bruce Hayward | 6 | Son | — | Massachusetts |
| 21 | Marion J. Hayward | 3 | Daughter | — | Massachusetts |
| 22 | Raymond Goodyear | 20 | Boarder | Wheelman | Vermont |
| 23 | Sarah E. Netherby | 65 | Head | — | New York |
| 24 | Charles Mcennis | 32 | Head | Salesman | New Jersey |
| 25 | Viola Mcennis | 31 | Wife | — | New York |
| 26 | Spencer Mcennis | 2 | Son | — | Massachusetts |
| 27 | Chester Olson | 33 | Head | Civil Engineer | Massachusetts |
| 28 | Alice Olson | 32 | Wife | — | Massachusetts |
| 29 | David Olson | 0 | Son | — | Massachusetts |
| 30 | Gustaf Olson | 74 | Father | — | Sweden |
| 31 | James H. Olson | 27 | Brother | Maintenance Man | Massachusetts |
| 32 | Fire Ends Olson | None | Block | — | — |
| 33 | John Everitt | 43 | Head | Electrician | New York |
| 34 | Blanche Everitt | 48 | Wife | — | Massachusetts |
| 35 | Shirley Everitt | 16 | Daughter | — | Massachusetts |
| 36 | Beverly Everitt | 14 | Daughter | — | Massachusetts |
| 37 | Alice Everitt | 31 | Sister | Press Operator | Massachusetts |
| 38 | Phyllis Stockwell | 39 | Boarder | Typist Clerk | Canada |
| 39 | Walton Stockwell | 7 | Boarder | — | Massachusetts |
| 40 | John Johnson | 64 | Head | Truer | Sweden |
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)