ES
Ernest Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Ernest Smith across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Beata — first a head (b.~1909), then head of a 8-person household.
Age 31
b. ~1909
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Smith |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Plumber |
| Industry | Furniture Manufacturer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | G 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Plumber |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1909 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Esther Smith | Daughter | — | 11 | ~1929 |
| Jean Smith | Daughter | — | 8 | ~1932 |
| Ruth Smith | Daughter | — | 10 | ~1930 |
| Rita Smith | Daughter | — | 12 | ~1928 |
| Ernest Smith | Head | — | 31 | ~1909 |
| Robert Smith | Son | — | 5 | ~1935 |
| Joseph Smith | Son | — | 3 | ~1937 |
| Josephine Smith | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ernest S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1909
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Smith |
| Given Name | Ernest G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Occupation | No |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 31
Middlesex-County, Massachusetts · implied b. ~1909 — 8 household members
| Surname | Smith |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Plumber |
| Industry | Furniture Manufacturer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | G 8 |
| 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 Ernest Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Smith (~0.92 confidence) and mother Beata Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Beata Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Smith
Head · 1940 · age 31 · b. ~1909 · 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-t0627-01702-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jenny Leunder | 71 | Roomer | — | Maine |
| 2 | Harold Ransom | 41 | Head | Machinist | New Hampshire |
| 3 | Myrtle Ransom | 42 | Wife | — | Canada English |
| 4 | Harold Ransom | 12 | Son | — | Massachusetts |
| 5 | Reno Bulbone | 34 | Head | Efficiency Expert | Massachusetts |
| 6 | Olive Bulbone | 25 | Wife | — | New York |
| 7 | Harold Bulbone | 3 | Son | — | Massachusetts |
| 8 | Isabell Mcanally | 67 | Head | — | Ireland |
| 9 | Anne Louis | 38 | Head | House-Cleaning | Ireland |
| 10 | Anne M. Louis | 12 | Daughter | — | Massachusetts |
| 11 | Albert Mcsuleiffe | 72 | Head | — | Massachusetts |
| 12 | Mary Mcsuleiffe | 72 | Wife | — | Massachusetts |
| 13 | John Mcardle | 28 | Head | Checker | Tennessee |
| 14 | Muriel Mcardle | 26 | Wife | — | England |
| 15 | Joan Mcardle | 3 | Daughter | — | Massachusetts |
| 16 | William Mcmaffie | 37 | Head | Chauffeur | Massachusetts |
| 17 | Minnie Mcmaffie | 33 | Wife | — | Canada English |
| 18 | Harry Mcmaffie | 11 | Son | — | Massachusetts |
| 19 | Paul Federico | 44 | Head | Plumber | Italy |
| 20 | Mary Federico | 43 | Wife | — | Massachusetts |
| 21 | Veronica Federico | 18 | Daughter | — | Massachusetts |
| 22 | Eleanor Federico | 15 | Daughter | — | Massachusetts |
| 23 | Frederick Federico | 13 | Son | — | Massachusetts |
| 24 | Paul Federico | 2 | Son | — | Massachusetts |
| 25 | Ernest Smith THIS PERSON | 31 | Head | Plumber | Massachusetts |
| 26 | Josephine Smith | 28 | Wife | — | Massachusetts |
| 27 | Rita Smith | 12 | Daughter | — | Massachusetts |
| 28 | Esther Smith | 11 | Daughter | — | Massachusetts |
| 29 | Ruth Smith | 10 | Daughter | — | Massachusetts |
| 30 | Jean Smith | 8 | Daughter | — | Massachusetts |
| 31 | Robert Smith | 5 | Son | — | Massachusetts |
| 32 | Joseph Smith | 3 | Son | — | Massachusetts |
| 33 | Michael Yeager | 54 | Head | Baker | Eire |
| 34 | Mary Yeager | 53 | Wife | — | Eire |
| 35 | John Yeager | 23 | Son | Box Maker | Massachusetts |
| 36 | Mary Yeager | 21 | Daughter | Typist | Massachusetts |
| 37 | Daniel Yeager | 19 | Son | Laborer | Massachusetts |
| 38 | Arthur Yeager | 17 | Son | — | Massachusetts |
| 39 | Paul Yeager | 14 | Son | — | Massachusetts |
| 40 | John Sheehy | 27 | Roomer | Substitute Letter Carrier | Massachusetts |
Pedigree Summary
Ernest
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)