RH
Robert Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Robert Hart across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Bridget & Bridget — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Hart |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | wood heel maker |
| Industry | wood-heel factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Wood Heel Maker |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Jean Hart | Daughter | — | 7 | ~1933 |
| Robert Hart | Head | — | 32 | ~1908 |
| Barbara Hart | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Essex, Massachusetts
Son, age 12
Essex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 22
Essex, Massachusetts · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | heel maker |
| Industry | heel shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 32
Essex-County, Massachusetts · implied b. ~1908 — 3 household members
| Surname | Hart |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn city |
| 1935 Residence (County) | Essex |
| Occupation | wood heel maker |
| Industry | wood-heel factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 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 Robert Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bridget Hart (~0.92 confidence) and mother Bridget Hart (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bridget Hart
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Bridget Hart
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hart
Head · 1940 · age 32 · b. ~1908 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01697-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret M. Thrift | 38 | Wife | — | E. Canada |
| 2 | Mary L. Thrift | 8 | Daughter | — | Massachusetts |
| 3 | Theresa E. Thrift | 7 | Daughter | — | Massachusetts |
| 4 | Patricia A. Thrift | 6 | Daughter | — | Massachusetts |
| 5 | Agnes B. Thrift | 3 | Daughter | — | Massachusetts |
| 6 | Robert J. Hart THIS PERSON | 32 | Head | Wood Heel Maker | Massachusetts |
| 7 | Barbara L. Hart | 30 | Wife | — | Massachusetts |
| 8 | Jean H. Hart | 7 | Daughter | — | Massachusetts |
| 9 | Joseph E. Kaminski | 31 | Head | Glazer | Massachusetts |
| 10 | Anna P. Kaminski | 32 | Wife | — | Massachusetts |
| 11 | Louise H. Kaminski | 9 | Daughter | — | Massachusetts |
| 12 | Joan G. Kaminski | 6 | Daughter | — | Massachusetts |
| 13 | Joseph E. Kaminski | 2 | Son | — | Massachusetts |
| 14 | Joseph A. Lecours | 74 | Head | — | Massachusetts |
| 15 | Mary L. Lecours | 65 | Wife | — | Canada-Fr |
| 16 | Stanley J. Lomtan|Lontan | 24 | Head | Shipper | Massachusetts |
| 17 | Sophie M. Lomtan|Lontan | 24 | Wife | — | Massachusetts |
| 18 | John Uchkevich | 45 | Head | Rubber Worker | Russia |
| 19 | Vera Uchkevich | 42 | Wife | — | Russia |
| 20 | Mary Uchkevich | 23 | Daughter | Conveyor Worker | Massachusetts |
| 21 | John R. Uchkevich | 12 | Son | — | Massachusetts |
| 22 | Frank Nowakowski | 44 | Head | — | Poland |
| 23 | Frances Nowakowski | 33 | Wife | — | Massachusetts |
| 24 | Caroline A. Nowakowski | 14 | Daughter | — | Massachusetts |
| 25 | Phyllis F. Nowakowski | 12 | Daughter | — | Pennsylvania |
| 26 | Mary L. Nowakowski | 11 | Daughter | — | Massachusetts |
| 27 | John F. Nowakowski | 7 | Son | — | Massachusetts |
| 28 | Josephine Nowakowski | 6 | Daughter | — | Massachusetts |
| 29 | Anthony Nowakowski | 2 | Son | — | Massachusetts |
| 30 | John P. Cunningham | 36 | Head | Motor Winder | E. Canada |
| 31 | Mary X. Cunningham | 34 | Wife | — | E. Canada |
| 32 | Margaret J. Cunningham | 11 | Daughter | — | Massachusetts |
| 33 | John P. Jr. Cunningham | 10 | Son | — | Massachusetts |
| 34 | Andrew P. Devlin | 39 | Head | Mill Machine Operator | Massachusetts |
| 35 | Sadie F. Devlin | 40 | Wife | — | Nova Scotia |
| 36 | Patricia A. Devlin | 3 | Daughter | — | Massachusetts |
| 37 | Robert F. Devlin | 1 | Son | — | Massachusetts |
| 38 | Joseph F. Barilam | 23 | Head | Knotter | Massachusetts |
| 39 | Anna M. Barilam | 24 | Wife | Buffer | Poland |
| 40 | Henry F. Marriott | 60 | Head | — | Massachusetts |
Pedigree Summary
Robert
Gen 1 · 2 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)