RS
Robert Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Smith across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Benjamin & Anna — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Smith |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Charlestown |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Clerk-cashier |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk-Cashier |
| Township / Ward | Somerville |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Colette Smith | Daughter | — | 1 | ~1939 |
| Robert Smith | Head | — | 29 | ~1911 |
| John Brennan | Other | — | 29 | ~1911 |
| Helen Smith | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 8
Suffolk, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Clerk |
| Industry | Hardware |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 29
Middlesex-County, Massachusetts · implied b. ~1911 — 4 household members
| Surname | Smith |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Charlestown |
| 1935 Residence (County) | Suffolk |
| Occupation | Clerk-cashier |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 1935 Residence | Massachusetts |
| 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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Smith (~0.92 confidence) and mother Anna Smith (~0.92 confidence) and mother Florence Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Anna Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Florence Smith
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Smith
Head · 1940 · age 29 · b. ~1911 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01704-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George E. Ryan | 31 | Head | Clerk | Massachusetts |
| 2 | Leona L. Ryan | 31 | Wife | — | New York |
| 3 | Marie A. Landry | 65 | Mother-in-law | — | French Canada |
| 4 | William J. Connelly | 43 | Head | Foreman | Massachusetts |
| 5 | Grace C. Connelly | 43 | Wife | — | New Hampshire |
| 6 | Rita F. Master | 36 | Sister-in-law | Teletype Operator | Massachusetts |
| 7 | George A. Burke | 31 | Head | Accountant | Massachusetts |
| 8 | Mildred H. Burke | 29 | Wife | — | Massachusetts |
| 9 | Asa Siggens | 30 | Head | Fire Alarm | Massachusetts |
| 10 | Anna Siggens | 31 | Wife | — | Massachusetts |
| 11 | Asa Jr. Siggens | 6 | Son | — | Massachusetts |
| 12 | Robert K. Siggens | 3 | Son | — | Massachusetts |
| 13 | Anna M. Siggens | 1 | Daughter | — | Massachusetts |
| 14 | John K. Enos | 47 | Head | Chauffeur | Massachusetts |
| 15 | Mary K. Enos | 46 | Wife | — | Massachusetts |
| 16 | Audrey Enos | 17 | Daughter | New Worker | Massachusetts |
| 17 | John D. Enos | 15 | Son | — | Massachusetts |
| 18 | Joseph R. Enos | 14 | Son | — | Massachusetts |
| 19 | John Grecco | 74 | Head | — | Italy |
| 20 | Concetta Grecco | 69 | Wife | — | Italy |
| 21 | Peter Datturra | 46 | Head | Salesman-Chauffeur | Massachusetts |
| 22 | Eva Datturra | 44 | Wife | — | Massachusetts |
| 23 | Charlotte Datturra | 15 | Daughter | — | Massachusetts |
| 24 | Mary Datturra | 8 | Daughter | — | Massachusetts |
| 25 | Alfred Briand | 39 | Head | Mechanic | Massachusetts |
| 26 | Estell Briand | 34 | Wife | — | Massachusetts |
| 27 | Pasquale Ferrante | 32 | Head | Shipping Clerk | Massachusetts |
| 28 | Anna Ferrante | 31 | Wife | — | Massachusetts |
| 29 | Robert Ferrante | 5 | Son | — | Massachusetts |
| 30 | Robert Smith THIS PERSON | 29 | Head | Clerk-Cashier | Massachusetts |
| 31 | Helen Smith | 25 | Wife | — | Massachusetts |
| 32 | Colette Smith | 1 | Daughter | — | Massachusetts |
| 33 | John J. Brennan | 29 | Lodger | Principal | Massachusetts |
| 34 | Thomas Kahoe | 25 | Head | Longshoreman | Massachusetts |
| 35 | Gertrude Kahoe | 27 | Wife | — | Massachusetts |
| 36 | Caroline Kahoe | 0 | Daughter | — | Massachusetts |
| 37 | Luke Talon | 33 | Head | Chauffeur | Massachusetts |
| 38 | Pauline Talon | 28 | Wife | Cashier | Massachusetts |
| 39 | William Henry | 52 | Head | Mechanic | New York |
| 40 | Frances Henry | 54 | Wife | — | England |
Pedigree Summary
Robert
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)