RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Carlson |
| Given Name | Ruth A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Quincy City |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Occupation | Secretary |
| Industry | National Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1440 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Quincy City |
| Est. Birth Year | ~1906 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ethel Carlson | Daughter | — | 28 | ~1912 |
| Theodore Carlson | Son | — | 33 | ~1907 |
| Ruth Carlson | Daughter | — | 34 | ~1906 |
| Ellen Carlson | Head | — | 58 | ~1882 |
Census Appearances
1920
Norfolk, Massachusetts
Daughter, age 14
Norfolk, Massachusetts · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Norfolk, Massachusetts
Daughter, age 25
Norfolk, Massachusetts · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Daughter, age 34
Norfolk-County, Massachusetts · implied b. ~1906 — 4 household members
| Surname | Carlson |
| Given Name | Ruth A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Quincy City |
| 1935 Residence (County) | Norfolk |
| Occupation | Secretary |
| Industry | National Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1440 |
| 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 Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Carlson (~0.92 confidence) and father Charles Carlson (~0.92 confidence) and mother Ellen Carlson (~0.92 confidence) and mother Ellen Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Carlson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Charles Carlson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ellen Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Ellen Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Daughter · 1940 · age 34 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Theodore Carlson
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Carlson
Sibling · 1940 · age 28
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01630-00449)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Carlson | 44 | Wife | — | Massachusetts |
| 2 | Arnold Carlson | 42 | Son | — | Massachusetts |
| 3 | Doris Carlson | 14 | Daughter | — | Massachusetts |
| 4 | George White | 58 | Lodger | House Man | Maryland |
| 5 | Ellen Mattson | 55 | Head | Housewife | Sweden |
| 6 | Clarence Mattson | 32 | Son | Radio Operator | Vermont |
| 7 | Edith Mattson | 30 | Daughter | Private Secy | Vermont |
| 8 | Kivray Mattson | 28 | Daughter | Clerk | Vermont |
| 9 | Justina Anderson | 65 | Head | Housewife | Germany |
| 10 | William Anderson | 41 | Son | Painter | Massachusetts |
| 11 | Theodore Anderson | 38 | Son | Painter | Massachusetts |
| 12 | Joseph Gleason | 29 | Head | Salesman | Massachusetts |
| 13 | Gertrude Gleason | 25 | Wife | — | Massachusetts |
| 14 | Thomas J. Heskett | 62 | Father-in-law | — | England |
| 15 | Le Roy Christensen | 46 | Head | Painter | Can-Eng |
| 16 | Louise Christensen | 46 | Wife | — | Massachusetts |
| 17 | Carl Larson | 62 | Head | — | Sweden |
| 18 | Hilda Larson | 58 | Wife | — | Sweden |
| 19 | Clarence Larson | 29 | Son | Electrician | Massachusetts |
| 20 | John Larson | 25 | Son | Painter | Massachusetts |
| 21 | Alexander Sturrock | 50 | Head | Salesman | Scotland |
| 22 | Sadie Sturrock | 49 | Wife | — | Nebraska |
| 23 | Ruth Sturrock | 20 | Daughter | Stenographer | Massachusetts |
| 24 | Barbara Sturrock | 17 | Daughter | — | Massachusetts |
| 25 | Jane Sturrock | 15 | Daughter | — | Massachusetts |
| 26 | Gladys Sturrock | 14 | Daughter | — | Massachusetts |
| 27 | William Sturrock | 10 | Son | — | Massachusetts |
| 28 | Andrew Stewart | 42 | Head | Foreman | Massachusetts |
| 29 | Emma Stewart | 39 | Wife | — | Massachusetts |
| 30 | Andrew Jr. Stewart | 5 | Son | — | Massachusetts |
| 31 | Leon Krasinski | 7 | Brother-in-law | — | Massachusetts |
| 32 | Ella Krasinski | 64 | Mother-in-law | — | Massachusetts |
| 33 | John Krasinski | 22 | Brother-in-law | Electrician | Massachusetts |
| 34 | Ellen A. Carlson | 58 | Head | — | Sweden |
| 35 | Ruth A. Carlson THIS PERSON | 34 | Daughter | Secretary | Massachusetts |
| 36 | Theodore Carlson | 33 | Son | Bookkeeper | Massachusetts |
| 37 | Ethel Carlson | 28 | Daughter | Stenographer | Massachusetts |
| 38 | John Mcmahon | 38 | Head | Chain Store Clerk | Massachusetts |
| 39 | Elizabeth Mcmahon | 37 | Wife | Telephone Op. | Massachusetts |
| 40 | Elizabeth Mcmahon | 1 | Daughter | — | Massachusetts |
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 4 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)