JG
John Gallagher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Gallagher across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 2-person household.
Age 79
b. ~1861
Male
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Gallagher |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1861 |
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 |
|---|---|---|---|---|
| Katharine Gallagher | Daughter | — | 36 | ~1904 |
| John Gallagher | Head | — | 79 | ~1861 |
Census Appearances
1920
Essex, Massachusetts
Head, age 52
Essex, Massachusetts · implied b. ~1868 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | england |
1930
Essex, Massachusetts
Head, age 67
Essex, Massachusetts · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 39 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Stationary Fireman |
| Industry | Soap Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 28 |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Essex-County, Massachusetts
Head, age 79
Essex-County, Massachusetts · implied b. ~1861 — 2 household members
| Surname | Gallagher |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 5 |
| 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.
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This person
Anchor record
John Gallagher
Head · 1940 · age 79 · b. ~1861 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01583-00322)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madeline Aufiero | 32 | Wife | Twister | Massachusetts |
| 42 | Antoinette Aufiero | 15 | Daughter | — | Massachusetts |
| 43 | Paschal Aufiero | 14 | Son | — | Massachusetts |
| 44 | Myron Aufiero | 11 | Son | — | Massachusetts |
| 45 | Mary Aufiero | 9 | Daughter | — | Massachusetts |
| 46 | Angel Aufiero | 5 | Son | — | Massachusetts |
| 48 | Selma Benkwitz | 52 | Head | Storekeeper | Germany |
| 49 | Pauline Babel | 83 | Mother | — | Germany |
| 50 | Daisy Ardenis | 30 | Niece | Clerk | Massachusetts |
| 51 | Paul K. Hoffmann | 60 | Head | Painter | Germany |
| 52 | Clara Hoffmann | 55 | Wife | — | Germany |
| 53 | Edna Hoffmann | 14 | Daughter | — | Massachusetts |
| 54 | Helen Dubois | 48 | Head | — | New York |
| 55 | Oswald Dubois | 25 | Son | Spare Hand | Massachusetts |
| 56 | Rita Dubois | 21 | Daughter | Weaver | Massachusetts |
| 57 | Adolph J. Klufts | 46 | Head | Outside Laborer | France |
| 58 | Louise Klufts | 47 | Wife | — | Massachusetts |
| 59 | Louis Klufts | 18 | Son | Clerk | Massachusetts |
| 60 | Mary Klufts | 15 | Daughter | — | Massachusetts |
| 61 | Edward Klufts | 10 | Son | — | Massachusetts |
| 62 | Joseph Klufts | 8 | Son | — | Massachusetts |
| 63 | Robert Klufts | 5 | Son | — | Massachusetts |
| 64 | Stephen Turchan | 60 | Head | Cotton Painter | Poland |
| 65 | Annie Turchan | 50 | Wife | — | Poland |
| 66 | Olga Turchan | 18 | Daughter | Hand Knitted Wear | Massachusetts |
| 67 | Joseph Afoury | 43 | Head | Doffer | Syria |
| 68 | Agzig Afoury | 43 | Wife | — | Syria |
| 69 | Louis Afoury | 19 | Son | Yarn Checker | Massachusetts |
| 70 | Kasper Afoury | 16 | Son | — | Massachusetts |
| 71 | Rose Afoury | 14 | Daughter | — | Massachusetts |
| 72 | George Afoury | 9 | Son | — | Massachusetts |
| 73 | Annie Harper | 30 | Head | — | Massachusetts |
| 74 | Roberta A. Harper | 9 | Daughter | — | Massachusetts |
| 75 | Herbert Cousins | 27 | Head | Percher | Massachusetts |
| 76 | Rose Cousins | 25 | Wife | Winder | Massachusetts |
| 77 | John Catania | 23 | Head | Outside Laborer | Massachusetts |
| 78 | Elvira Catania | 22 | Wife | — | Massachusetts |
| 79 | John T. Gallagher THIS PERSON | 79 | Head | — | England |
| 80 | Katharine M. Gallagher | 36 | Daughter | Household Aid | 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)