DB
David Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bristol-County, Massachusetts
Our Model Tree links this David Brown across the 1920, 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Grace & Frank — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bristol-County, Massachusetts |
| Surname | Brown |
| Given Name | David M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New Bedford City |
| 1935 Residence (County) | Bristol |
| Additional Details | |
| Occupation | Ship builder |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1033 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Ship Builder |
| Township / Ward | New Bedford City |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Helen Merio | Daughter | — | 21 | ~1919 |
| Joan Merio | Daughter | — | 2 | ~1938 |
| Frank Brown | Head | — | 57 | ~1883 |
| Frederick Merio | Other | — | 24 | ~1916 |
| David Brown | Son | — | 23 | ~1917 |
| Robert Brown | Son | — | 13 | ~1927 |
| Lucy Brown | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Bristol, Massachusetts
Son, age 3
Bristol, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Bristol, Massachusetts
Son, age 13
Bristol, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | David M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Bristol-County, Massachusetts
Son, age 23
Bristol-County, Massachusetts · implied b. ~1917 — 7 household members
| Surname | Brown |
| Given Name | David M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New Bedford City |
| 1935 Residence (County) | Bristol |
| Occupation | Ship builder |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1033 |
| Highest Grade | Hs 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 David Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Grace Brown (~0.92 confidence) and father Frank Brown (~0.92 confidence) and father Frank Brown (~0.92 confidence) and mother Lucy Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Grace Brown
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Frank Brown
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Frank Brown
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Lucy Brown
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Brown
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Helen Merio
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Merio
Sibling · 1940 · age 2
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 — Bristol-County, Massachusetts
Open full size
1940 US Federal Census — Bristol-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01699-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martha H. Cummins | 57 | Head | — | Pennsylvania |
| 42 | Lois H. Cummins | 26 | Daughter | Senior Clerk | Washington D.C. |
| 43 | A. Barton Cummins | 20 | Son | Tool Maker | Massachusetts |
| 44 | Francis Carter | 57 | Head | — | Canada Eng |
| 45 | Mary Carter | 20 | Daughter | Technician | Massachusetts |
| 46 | Stephen Carter | 16 | Son | — | Massachusetts |
| 47 | Benjamin M. Bates | 50 | Head | Contractor | Massachusetts |
| 48 | Lois L. Bates | 46 | Wife | — | Massachusetts |
| 49 | William M. Ryan | 23 | Head | — | Massachusetts |
| 50 | Margaret T. Ryan | 19 | Wife | — | Massachusetts |
| 51 | Alice C. Ryan | 42 | Daughter | Teacher | Massachusetts |
| 52 | James A. Ryan | 30 | Son | Salesman | Massachusetts |
| 53 | Frank C. Brown | 57 | Head | Architect | Massachusetts |
| 54 | Lucy M. Brown | 49 | Wife | — | Massachusetts |
| 55 | David M. Brown THIS PERSON | 23 | Son | Ship Builder | Massachusetts |
| 56 | Robert A. Brown | 13 | Son | — | Massachusetts |
| 57 | Frederick Merio | 24 | Son-in-law | Truck Driver | Massachusetts |
| 58 | Helen B. Merio | 21 | Daughter | — | Massachusetts |
| 59 | Joan A. Merio | 2 | Daughter | — | Massachusetts |
| 60 | Reginald Mendell | 45 | Head | Room Clerk | Massachusetts |
| 61 | Elizabeth G. Mendell | 41 | Wife | — | Massachusetts |
| 62 | Lois H. A. Mendell | 21 | Daughter | — | Massachusetts |
| 63 | Phyllis L. Mendell | 17 | Daughter | — | Massachusetts |
| 64 | Ronald G. Mendell | 13 | Son | — | Massachusetts |
| 65 | Annabelle Becker | 68 | Head | — | Massachusetts |
| 66 | Carl A. Jr. Becker | 31 | Son | Business Mgr. | Rhode Island |
| 67 | Norman K. Nisbet | 27 | Head | Salesman | Massachusetts |
| 68 | Evelyn A. H. Nisbet | 22 | Wife | — | Massachusetts |
| 69 | Evelyn J. Nisbet | 1 | Daughter | — | Massachusetts |
| 70 | Charles W. Doughty | 67 | Head | — | Massachusetts |
| 71 | Eliza A. Doughty | 61 | Wife | — | England |
| 72 | Joseph P. Crane | 56 | Head | Machinist | Massachusetts |
| 73 | Alice M. Crane | 57 | Wife | — | Rhode Island |
| 74 | Mary Broadbent | 60 | Lodger | Statistian | Massachusetts |
| 75 | Lydia A. Smith | 62 | Lodger | — | Massachusetts |
| 76 | Sara A. Green | 67 | Head | — | Massachusetts |
| 77 | — | None | — | — | — |
| 78 | Walter F. Manchelin | 66 | Head | — | Massachusetts |
| 79 | Emma S. Manchelin | 64 | Sister | — | Massachusetts |
| 80 | Ezra C. Wilde | 67 | Head | — | Massachusetts |
Pedigree Summary
David + 3 siblings
Gen 1 · 4 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)