RL
Ruth Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Ruth Larson across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Larson |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Printer |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 572 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Printer |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Frieda Larson | Spouse | — | 47 | ~1893 |
| John Larson | Head | — | 47 | ~1893 |
| Ruth Larson | Daughter | — | 21 | ~1919 |
| Wilma Hegberg | Other | — | 24 | ~1916 |
Census Appearances
1920
Polk, Iowa
Daughter, age 1
Polk, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Mother Tongue | Swedish |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 11
Polk, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Ruth C. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 21
Polk-County, Iowa · implied b. ~1919 — 4 household members
| Surname | Larson |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Printer |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 572 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Larson (~0.92 confidence) and father John Larson (~0.92 confidence) and father John Larson (~0.92 confidence) and mother Freda Larson (~0.92 confidence) and mother Frieda Larson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Larson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
John Larson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Larson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Freda Larson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Frieda Larson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Larson
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01196-00930)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John T Larson | 47 | Head | Blacksmith | Sweden |
| 42 | Frieda V Larson | 47 | Wife | — | Sweden |
| 43 | Ruth E Larson THIS PERSON | 21 | Daughter | Printer | Iowa |
| 44 | Wilma Hegberg | 24 | Lodger | Inspect | Iowa |
| 45 | A. Leroy Livingston | 44 | Head | Carpenter | Iowa |
| 46 | Ruth Livingston | 45 | Wife | — | Iowa |
| 47 | Robert Livingston | 20 | Son | Pick Up | Iowa |
| 48 | Kenneth Livingston | 18 | Son | Meat Cutter | Iowa |
| 49 | Eugene Livingston | 17 | Son | — | Iowa |
| 50 | Allen Livingston | 12 | Son | — | Iowa |
| 51 | Donald Livingston | 10 | Son | — | Iowa |
| 52 | Louise Livingston | 9 | Daughter | — | Iowa |
| 53 | Frank J. Stolmeier | 48 | Head | Trucker | Iowa |
| 54 | Mary M. Stolmeier | 43 | Wife | — | Iowa |
| 55 | Thomas F Stolmeier | 5 | Son | — | Iowa |
| 56 | Lawrence M Stolmeier | 4 | Son | — | Iowa |
| 57 | Mary K Stolmeier | 2 | Daughter | — | Iowa |
| 58 | Ann D. Carlson | 49 | Head | — | Iowa |
| 59 | Minnie L. Carlson | 47 | Sister | Clerk | Iowa |
| 60 | Agnes M Carlson | 43 | Sister | — | Iowa |
| 61 | Arthur B. Moore | 55 | Head | Engineer | Illinois |
| 62 | Paul L. Moore | 21 | Son | Laborer | Iowa |
| 63 | Mary Ann Moore | 20 | Daughter | — | Iowa |
| 64 | Harold B Moore | 17 | Son | — | Iowa |
| 65 | Edith L. Moore | 15 | Daughter | — | Iowa |
| 66 | Edna A. Martin | 56 | Head | — | Iowa |
| 67 | John G. Martin | 29 | Son | Ins. Salesman | Iowa |
| 68 | George Beese | 80 | Head | — | Indiana |
| 69 | Nettie Green | 66 | Sister | Teacher | Iowa |
| 70 | Rose Greene | 52 | Niece | — | Iowa |
| 71 | Andrew Schillinger | 50 | Head | Plumber | Germany |
| 72 | Clara Schillinger | 46 | Wife | — | Iowa |
| 73 | Olive Armbruster | 72 | Aunt | — | Indiana |
| 74 | Walter Armstrong | 25 | Head | Boarder | Iowa |
| 75 | Rosetta Armstrong | 23 | Wife | — | Iowa |
| 76 | Barbara Armstrong | 3 | Daughter | — | Iowa |
| 77 | Mame Jones | 65 | Aunt | Inspector | Iowa |
| 78 | Begin Block 44 Here Ends Block 43 | None | — | — | — |
| 79 | Conrad E. Lind | 63 | Head | Janitor | Sweden |
| 80 | Anna Lind | 50 | Wife | — | Sweden |
Pedigree Summary
Ruth
Gen 1 · 5 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)