RC
Ruth Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Ruth Clark across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Minnie & Alton — first a spouse (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Janice Clark | Daughter | — | 3 | ~1937 |
| Frederick Clark | Head | — | 34 | ~1906 |
| Ruth Clark | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 8
Middlesex, Massachusetts · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 29
Middlesex-County, Massachusetts · implied b. ~1911 — 3 household members
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| 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 Ruth Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Clark (~0.92 confidence) and father Alton Clark (~0.92 confidence) and father Alton Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Minnie Clark
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Alton Clark
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Alton Clark
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Ruth Clark
Spouse · 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-t0627-01608-00138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Morton | 54 | Wife | — | New Hampshire |
| 42 | Frederick Clark | 34 | Head | Crane Operator | Massachusetts |
| 43 | Ruth Clark THIS PERSON | 29 | Wife | — | Massachusetts |
| 44 | Janice Clark | 3 | Daughter | — | Massachusetts |
| 45 | Summerfield Hatch | 53 | Head | Engineer | Maryland |
| 46 | Annie Hatch | 47 | Wife | — | Irish Free State |
| 47 | Francis Hatch | 23 | Son | Helper | Massachusetts |
| 48 | Bernard Coyle | 16 | Ward | — | Massachusetts |
| 49 | Robert Walsh | 6 | Ward | — | Massachusetts |
| 50 | Edmund Clark | 50 | Head | Insurance Agent | Illinois |
| 51 | Gladys Clark | 41 | Wife | Saleswoman | Illinois |
| 52 | Richard Clark | 15 | Son | — | Wisconsin |
| 53 | David K. Walker | 55 | Head | Cabinet Maker | Scotland |
| 54 | Maude L. Walker | 49 | Wife | — | Nova Scotia |
| 55 | William David Walker | 21 | Son | Office Work | Massachusetts |
| 56 | Anna Hanbridge | 53 | Roomer | Social Worker | Nova Scotia |
| 57 | Alice Gould | 49 | Roomer | School Teacher | New Hampshire |
| 58 | Leonard Turner | 22 | Head | Teller | Canada English |
| 59 | Lorraine Turner | 21 | Wife | — | Massachusetts |
| 60 | Julia Burnside | 56 | Head | Clerk | Massachusetts |
| 61 | Edith Burnside | 21 | Cousin | Apprentice | Massachusetts |
| 62 | Grace Underwood | 58 | Cousin | — | Massachusetts |
| 63 | John A. Barney | 73 | Head | — | Massachusetts |
| 64 | Annie Barney | 73 | Wife | — | Pennsylvania |
| 65 | Walter E. Moore | 58 | Head | Carpenter | Canada English |
| 66 | Melia Moore | 60 | Wife | — | Canada English |
| 67 | Gottfried Carlson | 42 | Head | Painting | Sweden |
| 68 | Anna Carlson | 42 | Wife | — | Sweden |
| 69 | Norman C. Alden | 39 | Head | Clerk | Massachusetts |
| 70 | Marguerite Alden | 37 | Wife | Book-Keeper | Maine |
| 71 | Abbie M. Andrews | 84 | Head | — | New Hampshire |
| 72 | Harry E. Barney | 48 | Head | Engineer & Janitor | Massachusetts |
| 73 | Hazel G. Barney | 47 | Wife | — | Massachusetts |
| 74 | Cora B. Barney | 17 | Daughter | — | Massachusetts |
| 75 | Barbara Ann Barney | 15 | Daughter | — | Massachusetts |
| 76 | Harry E. Jr. Barney | 8 | Son | — | Massachusetts |
| 77 | Arthur E. Harvey | 47 | Head | Mechanical Instructor | Massachusetts |
| 78 | Muriel C. Harvey | 47 | Wife | — | Massachusetts |
| 79 | Mary E. Harvey | 19 | Daughter | — | Massachusetts |
| 80 | Martha L. Harvey | 16 | Daughter | — | Massachusetts |
Pedigree Summary
Ruth
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)