RS
Ruth Smith — 1940 US Census Record
Model Tree available1940 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), with identified parents James & Herbert — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Smith |
| Given Name | Ruth F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Teacher |
| Industry | Private Kindergarten |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 349 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Malden City |
| Est. Birth Year | ~1918 |
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 | — | 22 | ~1918 |
| Herbert Smith | Head | — | 57 | ~1883 |
| Laura Chenoweth | Other | — | 81 | ~1859 |
| Lloyd Smith | Son | — | 26 | ~1914 |
| Edith Smith | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 2
Middlesex, Massachusetts · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 5 household members
| Surname | Smith |
| Given Name | Ruth F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden City |
| 1935 Residence (County) | Middlesex |
| Occupation | Teacher |
| Industry | Private Kindergarten |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 349 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| 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 Ruth Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father Herbert Smith (~0.92 confidence) and father Herbert Smith (~0.92 confidence) and father Harry Smith (~0.81 confidence) and father Harry Smith (~0.81 confidence) and mother Ida Smith (~0.81 confidence) and mother Phebe Smith (~0.81 confidence) and mother Edith Smith (~0.92 confidence) and mother Julia Smith (~0.92 confidence). The pedigree spans 2 generations with 9 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
James Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Herbert Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Herbert Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Harry Smith
b. ~1852
Source father>father
● Household
· direct · ~0.81
Father
Harry Smith
b. ~1852
Source father>father
● Household
· direct · ~0.81
Mother
Ida Smith
b. ~1855
Source father>mother
● Household
· direct · ~0.81
Mother
Phebe Smith
b. ~1856
Source father>mother
● Household
· direct · ~0.81
Mother
Edith Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Julia Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Smith
Daughter · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Lloyd Smith
Sibling · 1940 · age 26
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 — 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-t0627-01608-00145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Patchell | 2 | Son | — | Massachusetts |
| 2 | Helen Busch | 65 | Mother in law | — | Massachusetts |
| 3 | Thomas Kenney | 48 | Head | Longshoreman | Irish Free State |
| 4 | Margaret Kenney | 48 | Wife | — | Irish Free State |
| 5 | Eileen Kenney | 17 | Daughter | — | Massachusetts |
| 6 | Ann Kenney | 16 | Daughter | — | Massachusetts |
| 7 | Timothy J. Doherty | 64 | Head | Clerk | Irish Free State |
| 8 | Elizabeth M. Doherty | 65 | Wife | — | Irish Free State |
| 9 | Dominic Goudreau | 32 | Son in law | Driver | Canada English |
| 10 | Elizabeth F. Goudreau | 32 | Daughter | Cashier | Massachusetts |
| 11 | George C. Johnson | 60 | Head | Meat Cutter | Vermont |
| 12 | Frieda K. Johnson | 63 | Wife | — | Massachusetts |
| 13 | Frances E. Golden | 73 | Boarder | — | New York |
| 14 | Howard E. Wells | 52 | Head | Salesman | Rhode Island |
| 15 | Mary E. Wells | 51 | Wife | Music Teacher | Massachusetts |
| 16 | Ida M. Sinclair | 80 | Head | — | Nova Scotia |
| 17 | Ella Sinclair | 74 | Sister | Clerk | Nova Scotia |
| 18 | Mabel Fender | 57 | Head | — | Nova Scotia |
| 19 | William Fender | 24 | Son | — | Massachusetts |
| 20 | Ruby E. Prescott | 38 | Head | News-Clerk | Massachusetts |
| 21 | Chester Stickney | 53 | Head | Mail-Man | Massachusetts |
| 22 | Eileen Stickney | 43 | Wife | — | New Hampshire |
| 23 | Peter Brophy | 76 | Father in law | — | Canada English |
| 24 | Denzel Wallace | 35 | Head | Meter-Reader | Indiana |
| 25 | Eva Wallace | 29 | Wife | — | Massachusetts |
| 26 | Denzel Jr. Wallace | 10 | Son | — | Massachusetts |
| 27 | Claire Wallace | 9 | Daughter | — | Massachusetts |
| 28 | Jeannette Wallace | 3 | Daughter | — | Massachusetts |
| 29 | Nancy Wallace | 0 | Daughter | — | Massachusetts |
| 30 | William A. Lewis | 35 | Head | Store-Superintendent | Massachusetts |
| 31 | Muriel Lewis | 34 | Wife | — | Nova Scotia |
| 32 | Bessie L. Weyland | 65 | Head | — | Nova Scotia |
| 33 | John T. Weyland | 68 | Husband | Mechanic | Canada English |
| 34 | Herbert Smith | 57 | Head | Treasurer | Massachusetts |
| 35 | Edith Smith | 55 | Wife | — | Massachusetts |
| 36 | Lloyd E. Smith | 26 | Son | Teacher | Massachusetts |
| 37 | Ruth F. Smith THIS PERSON | 22 | Daughter | Teacher | Massachusetts |
| 38 | Laura Chenoweth | 81 | Mother in law | Clerk | Massachusetts |
| 39 | Sidney L. Stoddard | 58 | Head | Machinist | North Carolina |
| 40 | Bertha Stoddard | 47 | Wife | — | Rhode Island |
Related Census Records
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 5 parents
~0.92
Gen 2 · 4 grandparents
~0.81
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)