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Lena Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Lena Brown across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 9-person household.
Age 48
b. ~1892
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Brown |
| Given Name | Lena M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1892 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lena | Age | Birth yr |
|---|---|---|---|---|
| Donald Brown | Son | — | 19 | ~1921 |
| Caroline Oliver | Daughter | — | 23 | ~1917 |
| Manuel Oliver | Other | — | 1 | ~1939 |
| Nancy Donald | Other | — | 5 | ~1935 |
| Calvin Brown | Head | — | 50 | ~1890 |
| Robert Brown | Son | — | 7 | ~1933 |
| Lena Brown | Spouse | — | 48 | ~1892 |
| Kenneth Brown | Son | — | 22 | ~1918 |
| Eleanor Donald | Daughter | — | 25 | ~1915 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 37
Middlesex, Massachusetts · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lena M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | Assembler |
| Industry | Radio Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 48
Middlesex-County, Massachusetts · implied b. ~1892 — 9 household members
| Surname | Brown |
| Given Name | Lena M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H-2 |
| 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 Lena Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lena Brown
Spouse · 1940 · age 48 · b. ~1892 · 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 — Middlesex-County, Massachusetts
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1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01609-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William O'Brien | 5 | Son | — | Massachusetts |
| 2 | Richard O'Brien | 3 | Son | — | Massachusetts |
| 3 | Arthur O'Brien | 1 | Son | — | Massachusetts |
| 4 | Calvin B. Brown | 50 | Head | Mechanic | Massachusetts |
| 5 | Lena M. Brown THIS PERSON | 48 | Wife | — | Massachusetts |
| 6 | Kenneth Brown | 22 | Son | Grinder | Maine |
| 7 | Donald Brown | 19 | Son | Truck Driver | Massachusetts |
| 8 | Robert Brown | 7 | Son | — | Massachusetts |
| 9 | Eleanor Donald | 25 | Daughter | Waitress | Massachusetts |
| 10 | Nancy C. Donald | 5 | Granddaughter | — | Massachusetts |
| 11 | Caroline Oliver | 23 | Daughter | — | Maine |
| 12 | Manuel J. Oliver | 1 | Son-in-law | — | Massachusetts |
| 13 | Albert Hunt | 45 | Head | Custodian | New York |
| 14 | Maude Hunt | 40 | Wife | — | Massachusetts |
| 15 | Albert Jr. Hunt | 15 | Son | — | New York |
| 16 | Alden Hunt | 12 | Son | — | New York |
| 17 | Gladys Hunt | 9 | Daughter | — | Massachusetts |
| 18 | John F. Vanderhoff | 81 | Head | — | Massachusetts |
| 19 | Adeline Vanderhoff | 69 | Wife | — | Connecticut |
| 20 | Charlotte Shaw | 48 | Head | — | Rhode Island |
| 21 | Bernice Shaw | 19 | Daughter | Decorator | Massachusetts |
| 22 | Robert Shaw | 10 | Son | — | Massachusetts |
| 23 | August Ronkes | 60 | Head | Machinist | Holland |
| 24 | Elsie Ronkes | 64 | Wife | — | Holland |
| 25 | Albert Ronkes | 35 | Son | Mechanic | Holland |
| 26 | Gerardus Van Mierlo | 35 | Head | Cabinetmaker | Holland |
| 27 | Johanna Van Mierlo | 32 | Wife | — | Holland |
| 28 | George Van Mierlo | 11 | Son | — | Massachusetts |
| 29 | Jean Marie Van Mierlo | 0 | Daughter | — | Massachusetts |
| 31 | Sylvester J. Oldaker | 53 | Head | Tower-Man | West Virginia |
| 32 | Doris May Oldaker | 38 | Wife | — | New Hampshire |
| 33 | Warren N. Oldaker | 19 | Son | — | Massachusetts |
| 34 | Lillian Ruth Oldaker | 14 | Daughter | — | Massachusetts |
| 35 | Dorothy Marion Oldaker | 16 | Daughter | — | Massachusetts |
| 36 | Bessie Louise Oldaker | 12 | Daughter | — | Massachusetts |
| 37 | Harry G. Sierink | 55 | Head | Laborer | Holland |
| 38 | Hendrika Sierink | 56 | Wife | — | Holland |
| 39 | Junior Sierink | 22 | Son | New Worker | Massachusetts |
| 40 | Richard Van Arden | 9 | Roomer | — | 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)