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Eugene Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Eugene Brown across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Watchman |
| Industry | Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Watchman |
| Township / Ward | Everett City |
| Est. Birth Year | ~1888 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Boudreau | Daughter | — | 3 | ~1937 |
| Loretta Boudreau | Daughter | — | 31 | ~1909 |
| Mary Brown | Head | — | 74 | ~1866 |
| Cecil Boudreau | Other | — | 36 | ~1904 |
| Eugene Brown | Son | — | 52 | ~1888 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 31
Middlesex, Massachusetts · implied b. ~1889 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teamster |
| Industry | Express |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 42
Middlesex, Massachusetts · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teamster |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 52
Middlesex-County, Massachusetts · implied b. ~1888 — 5 household members
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Occupation | Watchman |
| Industry | Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Eugene Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brown
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Brown
Son · 1940 · age 52 · b. ~1888 · Massachusetts
★ You are viewing this record
Sibling
Marilyn Boudreau
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Boudreau
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01605-00460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Finnigan | 1 | son | — | Massachusetts |
| 42 | Mary F. Brown | 74 | Head | — | Massachusetts |
| 43 | Eugene Brown THIS PERSON | 52 | son | Watchman | Massachusetts |
| 44 | Cecil Boudreau | 36 | son in law | Shipper | Nova Scotia |
| 45 | Loretta Boudreau | 31 | daughter | — | Massachusetts |
| 46 | Marilyn Boudreau | 3 | daughter | — | Massachusetts |
| 47 | Chauncey D. Lewis | 45 | Head | Mover | Maine |
| 48 | Addie G. Lewis | 45 | wife | — | Maine |
| 49 | Malcolm Lewis | 23 | son | — | Massachusetts |
| 50 | George Lewis | 27 | son | Truck Driver | Maine |
| 51 | Marie Lewis | 22 | daughter in law | — | Colorado |
| 52 | Forrest Hanna | 36 | nephew | Ship Fitters Helper | Maine |
| 53 | William Dickson | 31 | lodger | Laborer | Maine |
| 54 | John Kearns | 64 | Head | Mover | Eire |
| 55 | Margaret Kearns | 52 | wife | Matron | Eire |
| 56 | Lillian M. Kearns | 26 | daughter | Bookkeeper | Massachusetts |
| 57 | Evelyn Kearns | 23 | daughter | Checker | Massachusetts |
| 58 | Ruth Kearns | 18 | daughter | Bookkeeper | Massachusetts |
| 59 | Dorothy Kearns | 16 | daughter | New Worker | Massachusetts |
| 60 | John Kearns | 10 | son | — | Massachusetts |
| 61 | Joseph Lavion | 9 | lodger | — | Massachusetts |
| 62 | Edward Phelan | 30 | Head | Heater | Massachusetts |
| 63 | Margaret Phelan | 29 | wife | — | Massachusetts |
| 64 | Edward Phelan | 4 | son | — | Massachusetts |
| 65 | Charles Spencer | 50 | Head | Bookkeeper | Massachusetts |
| 66 | Kathryn Spencer | 50 | wife | — | Massachusetts |
| 67 | Richard Spencer | 18 | son | New Worker | Massachusetts |
| 68 | Ruth Spencer | 16 | daughter | — | Massachusetts |
| 69 | Arthur Spencer | 13 | son | — | Massachusetts |
| 70 | Harry Learned | 60 | Head | Receiver | Massachusetts |
| 71 | Caroline Learned | 60 | wife | — | Massachusetts |
| 72 | Alton Kruger | 27 | son in law | Salesman | Massachusetts |
| 73 | Lucille Kruger | 24 | daughter | — | Massachusetts |
| 74 | Mary C. Spencer | 68 | Head | — | Nova Scotia |
| 75 | Anthony Camara | 32 | Head | Collector | Massachusetts |
| 76 | Marietta Camara | 31 | wife | Paper Box Maker | Massachusetts |
| 77 | Virginia Camara | 9 | daughter | — | Massachusetts |
| 78 | Joseph Camara | 7 | son | — | Massachusetts |
| 79 | Marietta Dimasse | 61 | mother in law | Housekeeper | Massachusetts |
| 80 | Nicholas D'Ortona | 65 | Head | Tailor | Italy |
Pedigree Summary
Eugene + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)