RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Clara — first a daughter (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Carlson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | registered nurse |
| Industry | public charities |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Registered Nurse |
| Township / Ward | St Paul 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Carlson | Daughter | — | 29 | ~1911 |
| Clara Carlson | Spouse | — | 61 | ~1879 |
| Evelyn Carlson | Daughter | — | 27 | ~1913 |
| Andrew Carlson | Head | — | 63 | ~1877 |
Census Appearances
1920
Ramsey, Minnesota
Daughter, age 8
Ramsey, Minnesota · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Daughter, age 18
Ramsey, Minnesota · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Occupation | Stenographer |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 29
Ramsey-County, Minnesota · implied b. ~1911 — 4 household members
| Surname | Carlson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | registered nurse |
| Industry | public charities |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Andrew Carlson (~0.92 confidence) and mother Clara Carlson (~0.92 confidence) and father Alfred Carlson (~0.92 confidence) and father Alfred Carlson (~0.92 confidence) and mother Mabel Carlson (~0.92 confidence) and mother Molly Carlson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Carlson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Clara Carlson
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Alfred Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Alfred Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mabel Carlson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Molly Carlson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Daughter · 1940 · age 29 · b. ~1911 · Minnesota
★ You are viewing this record
Sibling
Evelyn Carlson
Sibling · 1940 · age 27
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02002-00233)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William King | 27 | Head | Claim Adjuster | Montana |
| 2 | Florence King | 27 | Wife | — | Minnesota |
| 3 | Judith King | 1 | Daughter | — | Minnesota |
| 4 | Gertrude King | 57 | Mother | Docket Clerk | Minnesota |
| 5 | Andrew G. Carlson | 63 | Head | — | Wisconsin |
| 6 | Clara F. Carlson | 61 | Wife | — | Wisconsin |
| 7 | Ruth M. Carlson THIS PERSON | 29 | Daughter | Registered Nurse | Minnesota |
| 8 | Evelyn C. Carlson | 27 | Daughter | Stenographer | Minnesota |
| 9 | Walter A. Conway | 56 | Head | Chief Clerk | Minnesota |
| 10 | Alice Conway | 56 | Wife | — | South Dakota |
| 11 | Richard Conway | 29 | Son | New Worker | Minnesota |
| 12 | Jack Conway | 27 | Son | Plumber | Minnesota |
| 13 | Gerry Conway | 21 | Son | Bottler | Minnesota |
| 14 | Donald Conway | 18 | Son | Office Boy | Minnesota |
| 15 | Alice Conway | 10 | Daughter | — | Minnesota |
| 16 | John Binder | 25 | Head | Clerk | North Dakota |
| 17 | Margaret Mcdonough | 48 | Head | Presser | Ireland |
| 18 | John Borden | 66 | Head | Salesman | Minnesota |
| 19 | Maude Borden | 56 | Wife | Saleswoman | Minnesota |
| 20 | John Borden | 22 | Son | Bundle Boy | North Dakota |
| 21 | William Borden | 20 | Son | New Worker | North Dakota |
| 22 | Kenneth Mccoy | 33 | Head | Shop Worker | Kansas |
| 23 | Leonard M. Asfie | 51 | Head | Proprietor | Italy |
| 24 | Mae Asfie | 49 | Wife | — | Minnesota |
| 25 | Ida Oleson | 71 | Head | — | Sweden |
| 26 | Lucy Ellen Bolton | 86 | Lodger | — | Indiana |
| 27 | Anna G. Fehlow | 43 | Lodger | — | Minnesota |
| 28 | Harry C. O'Connell | 52 | Head | Engineer | Minnesota |
| 29 | Agnes O'Connell | 49 | Wife | — | North Dakota |
| 30 | Dorothy O'Connell | 26 | Daughter | Stenographer | Minnesota |
| 31 | Margaret O'Connell | 17 | Daughter | — | Minnesota |
| 32 | Bertha Opsahl | 52 | Head | — | Minnesota |
| 33 | Dorothy Opsahl | 26 | Daughter | Comptometer Operator | Minnesota |
| 34 | Evelyn Opsahl | 23 | Daughter | Assistant | Minnesota |
| 35 | Albert Opsahl | 21 | Son | Pin Setter | Minnesota |
| 36 | Thelma Opsahl | 19 | Daughter | Bus Girl Assistant | Minnesota |
| 37 | Helen Thompson | 48 | Sister | Manager | Minnesota |
| 38 | Margaret Orth | 62 | Head | — | Minnesota |
| 39 | Helen Orth | 42 | Daughter | Traveling Saleswoman | Minnesota |
| 40 | Agnes Orth | 34 | Daughter | — | Minnesota |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 6 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)