RB
Robert Barr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert Barr across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Barr |
| Given Name | Robert F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | S 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Boston |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Jane Barr | Daughter | — | 15 | ~1925 |
| Thomas Barr | Son | — | 7 | ~1933 |
| Mary Barr | Daughter | — | 9 | ~1931 |
| John Barr | Son | — | 14 | ~1926 |
| Theresa Barr | Spouse | — | 40 | ~1900 |
| Robert Barr | Son | — | 13 | ~1927 |
| John Barr | Head | — | 40 | ~1900 |
| Rosemary Barr | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 3
Suffolk, Massachusetts · implied b. ~1927 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Robert F |
| Relationship to Head | Grand Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 8 household members
| Surname | Barr |
| Given Name | Robert F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | S 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Robert Barr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Barr
Son · 1940 · age 13 · b. ~1927 · Massachusetts
★ You are viewing this record
Sibling
Rosemary Barr
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Barr
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Barr
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Barr
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Barr
Sibling · 1940 · age 14
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-t0627-01669-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Estella | 42 | Head | Painter | Canada |
| 42 | Evelyn Estella | 36 | Wife | — | Massachusetts |
| 43 | Evelyn Estella | 12 | Daughter | — | Massachusetts |
| 44 | Roberta Estella | 10 | Daughter | — | Massachusetts |
| 45 | Joseph Estella | 8 | Son | — | Massachusetts |
| 46 | Donald Estella | 5 | Son | — | Massachusetts |
| 47 | Helen Estella | 1 | Daughter | — | Massachusetts |
| 48 | John I Barr | 40 | Head | Sales Clerk | Massachusetts |
| 49 | Theresa M Barr | 40 | Wife | — | Massachusetts |
| 50 | Jane K Barr | 15 | Daughter | — | Pennsylvania |
| 51 | John I Barr | 14 | Son | — | Pennsylvania |
| 52 | Robert F Barr THIS PERSON | 13 | Son | — | Pennsylvania |
| 53 | Mary P Barr | 9 | Daughter | — | Massachusetts |
| 54 | Thomas M Barr | 7 | Son | — | Massachusetts |
| 55 | Rosemary Barr | 1 | Daughter | — | Massachusetts |
| 56 | John M Pray | 35 | Head | Sign Painter | Massachusetts |
| 57 | Ethel G Pray | 38 | Wife | — | Massachusetts |
| 58 | Barbara Pray | 13 | Daughter | — | Massachusetts |
| 59 | Ann Pray | 12 | Daughter | — | Massachusetts |
| 60 | Patricia Pray | 9 | Daughter | — | Massachusetts |
| 61 | Jaquelin Pray | 6 | Daughter | — | Massachusetts |
| 62 | James Pray | 2 | Son | — | Massachusetts |
| 63 | Mary Doucette | 30 | Head | — | Massachusetts |
| 64 | Marguerite Doucette | 8 | Daughter | — | Massachusetts |
| 65 | Edward Doucette | 5 | Son | — | Massachusetts |
| 66 | Henry Willis | 41 | Head | Millwright | Massachusetts |
| 67 | Caroline F Willis | 34 | Wife | — | Massachusetts |
| 68 | Dorothy Willis | 5 | Daughter | — | Massachusetts |
| 69 | John Willis | 4 | Son | — | Massachusetts |
| 70 | Carol Willis | 2 | Daughter | — | Massachusetts |
| 71 | Mary T Tobin | 60 | Head | — | Massachusetts |
| 72 | Mary E Tobin | 40 | Daughter | Winder | Massachusetts |
| 73 | Richard M Tobin | 37 | Son | Electrician | Massachusetts |
| 74 | Francis J Dunbar | 33 | Head | Plumber | Massachusetts |
| 75 | Gertrude J Dunbar | 34 | Wife | — | Massachusetts |
| 76 | Ann Dunbar | 8 | Daughter | — | Massachusetts |
| 77 | Jean Dunbar | 5 | Daughter | — | Massachusetts |
| 78 | Francis Dunbar | 3 | Son | — | Massachusetts |
| 79 | Dorothy Dunbar | 1 | Daughter | — | Massachusetts |
| 80 | Ellen Martin | 56 | Head | — | Massachusetts |
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)