EB
Edward Brennan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Edward Brennan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 6-person household.
Age 74
b. ~1866
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Brennan |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Hours Worked | 7 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Lowell |
| Est. Birth Year | ~1866 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Margaret Brennan | Spouse | — | 68 | ~1872 |
| George Jefferson | Other | — | 35 | ~1905 |
| John Cotter | Other | — | 30 | ~1910 |
| Helen Brennan | Daughter | — | 33 | ~1907 |
| John Cotter | Other | — | 65 | ~1875 |
| Edward Brennan | Head | — | 74 | ~1866 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 52
Middlesex, Massachusetts · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Edward L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Spinner |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Middlesex, Massachusetts
Head, age 64
Middlesex, Massachusetts · implied b. ~1866 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | North Ireland |
| Occupation | fireman |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Middlesex-County, Massachusetts
Head, age 74
Middlesex-County, Massachusetts · implied b. ~1866 — 6 household members
| Surname | Brennan |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 7 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Edward Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Edward Brennan
Head · 1940 · age 74 · b. ~1866 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01693-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Dalton | 35 | Head | Laborer | Mass |
| 2 | Helen Dalton | 26 | Wife | — | Mass |
| 3 | William Dalton | 4 | Son | — | Mass |
| 4 | John Jr Dalton | 1 | Son | — | Mass |
| 5 | George Katsikas | 52 | Head | Mgr | Greece |
| 6 | Helen Katsikas | 45 | Wife | Weaver | Greece |
| 7 | Michael Katsikas | 24 | Son | Winder | Mass |
| 8 | Anastasia Katsikas | 22 | Daughter | Bookkeeper | Mass |
| 9 | Ourania Katsikas | 20 | Daughter | Mgr. | Mass |
| 10 | Thomas Katsikas | 18 | Son | — | Mass |
| 11 | Dorothy Katsikas | 14 | Daughter | — | Mass |
| 12 | George Tavoularis | 42 | Head | Proprietor | Greece |
| 13 | Catherine Tavoularis | 40 | Wife | Waitress | Greece |
| 14 | Georgia Tavoularis | 15 | Daughter | — | Mass |
| 15 | Elizabeth Tavoularis | 14 | Daughter | — | Mass |
| 16 | Patricia Tavoularis | 9 | Daughter | — | Mass |
| 17 | Nicholas Tavoularis | 6 | Son | — | Mass |
| 18 | Louis Tavoularis | 2 | Son | — | Mass |
| 19 | Aristotle Tavoularis | 11 | Son | — | Mass |
| 20 | James Sintros | 47 | Head | Spinner | Greece |
| 21 | Helen Sintros | 41 | Wife | Spinner | Greece |
| 22 | Alexander Sintros | 18 | Son | — | Mass |
| 23 | Effie Sintros | 17 | Daughter | — | Mass |
| 24 | Harriet Sintros | 14 | Daughter | — | Mass |
| 25 | Joseph Marchand | 52 | Head | Shoe Maker | Mass |
| 26 | Joseph Jr Marchand | 25 | Son | Tacker | Mass |
| 27 | Michael Mansour | 50 | Head | — | Syria |
| 28 | Hazel Mansour | 48 | Wife | — | Syria |
| 29 | Genevieve Mansour | 25 | Daughter | Sewing | Maine |
| 30 | Geneva Mansour | 23 | Daughter | — | Maine |
| 31 | Naphie Mansour | 21 | Daughter | — | Maine |
| 32 | Mildred Mansour | 19 | Daughter | — | Mass |
| 33 | George Mansour | 12 | Son | — | Mass |
| 34 | Edward Mansour | 9 | Son | — | Mass |
| 35 | Edward Brennan THIS PERSON | 74 | Head | — | New York |
| 36 | Margaret Brennan | 68 | Wife | — | Eire |
| 37 | Helen Brennan | 33 | Daughter | Timekeeper | Mass |
| 38 | John L. Cotter | 65 | Brother | Foreman | Mass |
| 39 | John Jr Cotter | 30 | Nephew | Plumber | Mass |
| 40 | George Jefferson | 35 | Lodger | Chauffeur | Mass |
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)