RC
Robert Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Robert Carr across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Martin & Catherine — 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 | Essex-County, Massachusetts |
| Surname | Carr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Shipper |
| Industry | Lamp Manufacturer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Shipper |
| Township / Ward | Salem 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Carr | Son | — | 23 | ~1917 |
| Marie Carr | Daughter | — | 11 | ~1929 |
| Catherine Carr | Spouse | — | 54 | ~1886 |
| Eleanor Carr | Daughter | — | 16 | ~1924 |
| Genevieve Carr | Daughter | — | 24 | ~1916 |
| Martin Carr | Head | — | 60 | ~1880 |
| Ruth Carr | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Essex, Massachusetts
Son, age 3
Essex, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Robert |
| 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
Essex, Massachusetts
Son, age 13
Essex, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 23
Essex-County, Massachusetts · implied b. ~1917 — 7 household members
| Surname | Carr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Essex |
| Occupation | Shipper |
| Industry | Lamp Manufacturer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 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 Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martin Carr (~0.92 confidence) and mother Catherine Carr (~0.92 confidence) and mother Catherine Carr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Carr
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Carr
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Catherine Carr
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carr
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Eleanor Carr
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Carr
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Carr
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Carr
Sibling · 1940 · age 11
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 — 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-t0627-01589-00992)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary T. Flynn | 40 | Wife | — | Massachusetts |
| 42 | Norman J. Macaulay | 35 | Head | Accountant | Massachusetts |
| 43 | Ethel Macaulay | 35 | Wife | — | Massachusetts |
| 44 | Barbara L. Macaulay | 13 | Daughter | — | Massachusetts |
| 45 | Roger M. Macaulay | 9 | Son | — | Massachusetts |
| 46 | James L. Roger | 76 | Head | Own Proprietor | Massachusetts |
| 47 | Augusta D. Roger | 74 | Wife | Saleslady | Massachusetts |
| 48 | Martin Carr | 60 | Head | Janitor | Massachusetts |
| 49 | Catherine Carr | 54 | Wife | — | Massachusetts |
| 50 | Ruth Carr | 27 | Daughter | — | Massachusetts |
| 51 | Genevieve Carr | 24 | Daughter | New Worker | Massachusetts |
| 52 | Robert Carr THIS PERSON | 23 | Son | Shipper | Massachusetts |
| 53 | Eleanor Carr | 16 | Daughter | — | Massachusetts |
| 54 | Marie Carr | 11 | Daughter | — | Massachusetts |
| 55 | Henry G. Merritt | 69 | Head | Proprietor | Massachusetts |
| 56 | Arthur H. Merritt | 69 | Brother | Proprietor | Massachusetts |
| 57 | Nellie B. James | 64 | Head | — | Illinois |
| 58 | George F. James | 33 | Son | Route Salesman | Massachusetts |
| 59 | Dorothy L. James | 29 | Daughter | Comptometer Operator | Massachusetts |
| 60 | William H. Lundgren | 29 | Head | Civil Engineer | Massachusetts |
| 61 | Jennie Lundgren | 29 | Wife | — | Massachusetts |
| 62 | Christine Lundgren | 1 | Daughter | — | Massachusetts |
| 63 | L. Foster Zionby | 66 | Head | — | Massachusetts |
| 64 | Jeremiah Kelleher | 68 | Head | — | Eire |
| 65 | Annie Kelleher | 57 | Wife | — | Eire |
| 66 | Michael Wright | 57 | Lodger | — | Eire |
| 67 | John Maurice Sullivan | 32 | Head | Stationary Fireman | Massachusetts |
| 68 | Gertrude Sullivan | 27 | Wife | — | Massachusetts |
| 69 | Ernest P. Saxon | 48 | Head | Night Foreman | Massachusetts |
| 70 | Anne E. Saxon | 48 | Wife | — | Massachusetts |
| 71 | Ellen F. Dundee | 83 | Mother-in-law | — | Massachusetts |
| 72 | Albert H. Devoe | 55 | Head | Assistant Foreman | Massachusetts |
| 73 | Dominica Devoe | 51 | Wife | — | Massachusetts |
| 74 | Ann L. Currier | 56 | Head | — | Massachusetts |
| 75 | Edith P. Darker | 59 | Sister | Bookkeeper | Massachusetts |
| 76 | Harriet E. Dickson | 93 | Mother | — | Massachusetts |
| 77 | Charles H. Lewis | 52 | Head | Master Plumber | Massachusetts |
| 78 | Marion F. Lewis | 49 | Wife | — | Massachusetts |
| 79 | Alvin C. Lewis | 23 | Son | New Worker | Massachusetts |
| 80 | Barbara Lewis | 18 | Daughter | — | Massachusetts |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 3 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)