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Marjorie Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Marjorie Brown across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Brown |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| Additional Details | |
| Highest Grade | Hs 1 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Howard Brown | Son | — | 19 | ~1921 |
| Clarence Brown | Head | — | 60 | ~1880 |
| Adele O'Donnell | Other | — | 33 | ~1907 |
| Helena O'Donnell | Daughter | — | 2 | ~1938 |
| Arthur Brown | Son | — | 11 | ~1929 |
| Paul Economos | Other | — | 49 | ~1891 |
| Nancy Brown | Daughter | — | 21 | ~1919 |
| Patricia Brown | Daughter | — | 17 | ~1923 |
| Frances Brown | Spouse | — | 45 | ~1895 |
| Margaret Cooke | Other | — | 24 | ~1916 |
| Marjorie Brown | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 4
Suffolk, Massachusetts · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 11 household members
| Surname | Brown |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| Highest Grade | Hs 1 |
| 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 Marjorie Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marjorie Brown
Daughter · 1940 · age 15 · b. ~1925 · Massachusetts
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Sibling
Nancy Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena O'Donnell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Brown
Sibling · 1940 · age 17
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01680-00673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Winifred Mullan | 56 | Head | Insurance Dept | Massachusetts |
| 42 | Elizabeth Mullan | 84 | Mother | — | Northern Ireland |
| 43 | Helen Foley | 53 | Daughter | Saleslady | Massachusetts |
| 44 | Evelyn Foley | 17 | Daughter | — | Wisconsin |
| 45 | Rose A Murray | 52 | Head | Retail Dept | Massachusetts |
| 46 | Teresa Mccauley | 53 | Sister | Voice Teacher | Massachusetts |
| 47 | Ray Mcdonough | 46 | Brother | Contractor-Painting | Colorado |
| 48 | Alexander Q Clark | 54 | Head | Insurance Clerk | Massachusetts |
| 49 | Mabel R Clark | 52 | Wife | — | Massachusetts |
| 50 | John A Gilman | 67 | Head | Salesman | New Hampshire |
| 51 | Edna A Gilman | 64 | Wife | — | New Hampshire |
| 52 | Charles H O'Neil | 59 | Head | Machinist | Massachusetts |
| 53 | Mary A O'Neil | 54 | Wife | — | Germany |
| 54 | Marion P O'Neil | 34 | Daughter | Secretary | Massachusetts |
| 55 | Francis O'Neil | 16 | Son | — | Massachusetts |
| 56 | Clarence Brown | 60 | Head | Advertising | Rhode Island |
| 57 | Frances Brown | 45 | Wife | — | Rhode Island |
| 58 | Nancy Brown | 21 | Daughter | Secretary | Massachusetts |
| 59 | Howard Brown | 19 | Son | Clerk | Massachusetts |
| 60 | Patricia Brown | 17 | Daughter | — | Massachusetts |
| 61 | Marjorie Brown THIS PERSON | 15 | Daughter | — | Massachusetts |
| 62 | Arthur Brown | 11 | Son | — | Massachusetts |
| 63 | Margaret M Cooke | 24 | Lodger | — | New York |
| 64 | Adele O'Donnell | 33 | Lodger | Civil Service Employee | California |
| 65 | Helena O'Donnell | 2 | Daughter | — | New Hampshire |
| 66 | Paul Economos | 49 | Lodger | Cook-Meals | Greece |
| 67 | Robert H Powell | 39 | Head | Steam Worker | Massachusetts |
| 68 | Priscilla A Powell | 30 | Wife | — | Massachusetts |
| 69 | Walter H Powell | 4 | Son | — | Massachusetts |
| 70 | Joan E Powell | 2 | Daughter | — | Massachusetts |
| 71 | Grace F Browne | 65 | Head | — | Massachusetts |
| 72 | Maude Adams | 54 | Sister | — | Massachusetts |
| 73 | Andrew J Bell | 60 | Head | Switchman | Massachusetts |
| 74 | Florence E Bell | 59 | Wife | — | Massachusetts |
| 75 | Dorothy Bell | 30 | Daughter | — | Massachusetts |
| 76 | Robert Bell | 30 | Son | Brakeman | Massachusetts |
| 77 | Gertrude Bell | 26 | Daughter | Elementary Teacher | Massachusetts |
| 78 | Frank Bell | 25 | Son | — | Massachusetts |
| 79 | Mildred Bell | 23 | Daughter | Candy Saleslady | Massachusetts |
| 80 | Edith A Bell | 20 | Daughter | — | 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)