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Margaret Gallagher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Margaret Gallagher across the 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 2-person household.
Age 77
b. ~1863
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Gallagher |
| Given Name | Margaret B. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1863 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Gallagher | Head | — | 77 | ~1863 |
| William Gallagher | Son | — | 50 | ~1890 |
Census Appearances
1910
Essex, Massachusetts
Spouse, age 48
Essex, Massachusetts · implied b. ~1862 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 23 |
| Children Born | 5 |
| Children Living | 4 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Spouse, age 59
Essex, Massachusetts · implied b. ~1861 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Margaret J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Spouse, age 69
Essex, Massachusetts · implied b. ~1861 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 77
Essex-County, Massachusetts · implied b. ~1863 — 2 household members
| Surname | Gallagher |
| Given Name | Margaret B. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 Margaret Gallagher across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Gallagher
Head · 1940 · age 77 · b. ~1863 · 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
40 people indexed on this census page (nara:1940:m-t0627-01582-00578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret T. Whelan | 71 | Sister | — | Massachusetts |
| 42 | Lorne C. Boehmer | 60 | Head | Collector | England |
| 43 | Ella G. Boehmer | 57 | Wife | — | Massachusetts |
| 44 | Grace E. Boehmer | 25 | Daughter | Teacher | Massachusetts |
| 45 | John A. Lavin | 34 | Head | Technician | Massachusetts |
| 46 | Ruth C. Lavin | 27 | Wife | — | Massachusetts |
| 47 | Patricia W. Lavin | 2 | Daughter | — | Massachusetts |
| 48 | Agnes R. Devine | 62 | Head | Typist | Massachusetts |
| 49 | Margaret B. Gallagher THIS PERSON | 77 | Head | — | Massachusetts |
| 50 | William F. Gallagher | 50 | Son | Electrical Salesman | Massachusetts |
| 51 | Frank E. Keegan | 55 | Head | Plumber | Massachusetts |
| 52 | Dora E. Keegan | 59 | Sister | Saleswoman | Irish Free State |
| 53 | Catherine Keegan | 63 | Sister | — | Irish Free State |
| 54 | Bridget Ray | 68 | Sister | — | Irish Free State |
| 55 | Ernest W. Bruckmann | 57 | Head | Proprietor | Massachusetts |
| 56 | Bertha C. Bruckmann | 58 | Wife | — | Massachusetts |
| 57 | Anna H. Bruckmann | 60 | Sister | — | Massachusetts |
| 58 | Blanche B. Robinson | 70 | Head | — | Massachusetts |
| 59 | Emma L. Robinson | 80 | Sister | — | Massachusetts |
| 60 | Catherine Cullinan | 69 | Head | — | Massachusetts |
| 61 | Annie Cullinan | 67 | Sister | — | Massachusetts |
| 62 | Margaret Cullinan | 63 | Sister | — | Massachusetts |
| 63 | Julia T. Cullinan | 61 | Sister | Drawer-In | Massachusetts |
| 64 | Nora G. Cullinan | 58 | Sister | Teacher | Massachusetts |
| 65 | Esther F. Cullinan | 56 | Sister | Supervising Librarian | Massachusetts |
| 66 | Stanley Kirkpatrick | 48 | Head | Proprietor | Tennessee |
| 67 | Catherine H. Kirkpatrick | 48 | Wife | — | Massachusetts |
| 68 | Martha A. Kirkpatrick | 14 | Daughter | — | Massachusetts |
| 69 | Marie T. Kirkpatrick | 13 | Daughter | — | Massachusetts |
| 70 | Joseph V. Brogan | 69 | Head | Sealer Of Weights | Massachusetts |
| 71 | Mary G. Brogan | 66 | Sister | Truant Officer | Massachusetts |
| 72 | Marguerite R. Coffey | 33 | Head | Teacher | Massachusetts |
| 73 | Arline Coffey | 27 | Sister | Clerk | Massachusetts |
| 74 | Margaret M. Grant | 64 | Aunt | Mending | Massachusetts |
| 75 | William Boland | 61 | Head | Foreman | Irish Free State |
| 76 | Christine M. Boland | 50 | Wife | — | Canada |
| 77 | William D. Boland | 27 | Son | Office Clerk | Massachusetts |
| 78 | Christine G. Boland | 25 | Daughter | Specker | Massachusetts |
| 79 | Dorothy I. Boland | 23 | Daughter | Sorter | Massachusetts |
| 80 | Mary F. Boland | 20 | Daughter | Secretary | 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)