RS
Ruth Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Ruth Smith across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 5-person household.
Age 46
b. ~1894
Female
Spouse
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Smith |
| Given Name | Ruth E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Medford City |
| Est. Birth Year | ~1894 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Smith | Daughter | — | 15 | ~1925 |
| John Smith | Head | — | 52 | ~1888 |
| John Smith | Son | — | 22 | ~1918 |
| Donald Smith | Son | — | 19 | ~1921 |
| Ruth Smith | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 26
Middlesex, Massachusetts · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Spouse, age 36
Middlesex, Massachusetts · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth Y |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 35 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Bookkeeper |
| Industry | Public Accountant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Spouse, age 46
Middlesex-County, Massachusetts · implied b. ~1894 — 5 household members
| Surname | Smith |
| Given Name | Ruth E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Ruth Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ruth Smith
Spouse · 1940 · age 46 · b. ~1894 · Massachusetts
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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
39 people indexed on this census page (nara:1940:m-t0627-01612-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John A. Campbell | 58 | Head | — | Canada |
| 42 | Christina Campbell | 59 | Wife | — | Canada |
| 43 | Alexander Campbell | 24 | Son | Elec. Engr. | Roxbury |
| 44 | Euphemia Campbell | 26 | Daughter | Teacher | Roxbury |
| 45 | Geo. Patterson | 46 | Head | Gen. Manager | East Boston |
| 46 | Helen Patterson | 40 | Wife | — | Medford |
| 47 | Ann Patterson | 11 | Daughter | — | Medford |
| 48 | John J. Morrissey | 72 | Head | — | Ireland |
| 49 | Bridget Morrissey | 66 | Wife | — | Ireland |
| 50 | Michael Morrissey | 44 | Son | Laborer | Medford |
| 51 | Kathryn Morrissey | 38 | Daughter | Secretary | Medford |
| 52 | Cornelius Hayes | 78 | Head | — | Boston |
| 53 | Frances Hayes | 72 | Wife | — | Boston |
| 54 | Helen Hayes | 44 | Daughter | Box Maker | Boston |
| 55 | Marion Hayes | 38 | Daughter | Stenog. | Boston |
| 56 | Lester Babcock | 42 | Head | Fireman | Medford |
| 57 | Mary A. Babcock | 42 | Wife | — | Roxbury |
| 58 | Ethel Babcock | 14 | Daughter | — | Dorchester |
| 59 | Barbara Babcock | 12 | Daughter | — | Dorchester |
| 60 | John J. Smith | 52 | Head | Salesman | Canada |
| 61 | Ruth E. Smith THIS PERSON | 46 | Wife | — | Maine |
| 62 | John C. Smith | 22 | Son | Clerk | Medford |
| 63 | Donald J. Smith | 19 | Son | Driver | Medford |
| 64 | Ruth A. Smith | 15 | Daughter | — | Medford |
| 65 | John Coursey | 39 | Head | Maintenance | Malden |
| 66 | Lillian Coursey | 39 | Wife | — | Kentucky |
| 67 | Marietta Coursey | 9 | Daughter | — | Medford |
| 68 | Louis Porter | 37 | Head | Carpenter | Nova Scotia |
| 69 | Mary Porter | 32 | Wife | — | Malden |
| 70 | William Kenny | 56 | Head | Plumber | Malden |
| 71 | Estella Kenny | 58 | Wife | — | Gloucester |
| 72 | Joseph W. Kenny | 23 | Son | — | Medford |
| 73 | John J. Cronin | 52 | Head | Lieutenant | Clinton |
| 74 | Mary A. Cronin | 48 | Wife | — | South Boston |
| 75 | Mary Cronin | 19 | Daughter | — | Medford |
| 76 | Helen Cronin | 11 | Daughter | — | Medford |
| 77 | John Cronin | 9 | Son | — | Medford |
| 78 | Walter Cronin | 5 | Son | — | Medford |
| 79 | Wm. B. Hanson | 26 | Head | Officer | East Boston |
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)