RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Miami-County, Indiana
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Miami-County, Indiana (XGBoost, ~Confirmed), with identified parents Edward & Myrtle — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Miami-County, Indiana |
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Peru city |
| 1935 Residence (County) | Miami |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Teacher |
| Township / Ward | Peru City |
| Est. Birth Year | ~1907 |
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 | — | 33 | ~1907 |
| Edward Carlson | Head | — | 66 | ~1874 |
| Myrtle Carlson | Spouse | — | 58 | ~1882 |
| Edward Carlson | Son | — | 22 | ~1918 |
Census Appearances
1920
Miami, Indiana
Daughter, age 13
Miami, Indiana · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Miami, Indiana
Daughter, age 23
Miami, Indiana · implied b. ~1907 — 5 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 | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Miami-County, Indiana
Daughter, age 33
Miami-County, Indiana · implied b. ~1907 — 4 household members
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Peru city |
| 1935 Residence (County) | Miami |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Edward Carlson (~0.92 confidence) and mother Myrtle Carlson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Carlson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Myrtle Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Daughter · 1940 · age 33 · b. ~1907 · Indiana
★ You are viewing this record
Sibling
Edward Carlson
Sibling · 1940 · age 22
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 — Miami-County, Indiana
Open full size
1940 US Federal Census — Miami-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01078-00487)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl V. Sholty | 46 | Head | Asst. Treasurer | No. Dakota |
| 42 | Lelah Sholty | 45 | Wife | — | Indiana |
| 43 | Don Sholty | 25 | Son | — | Indiana |
| 44 | Maxine Sholty | 23 | Daughter | Saleslady | Indiana |
| 45 | J. R. Cary Jr. | 45 | Head | Train Master | W. Virginia |
| 46 | Alice Cary Jr. | 41 | Wife | — | W. Virginia |
| 47 | James R. 3Rd Cary Jr. | 19 | Son | — | W. Virginia |
| 48 | Albert Cary Jr. | 17 | Son | — | W. Virginia |
| 49 | Betty Cary Jr. | 13 | Daughter | — | W. Virginia |
| 50 | Sue Cary Jr. | 11 | Daughter | — | W. Virginia |
| 51 | Edward A. Carlson | 66 | Head | Doctor | Iowa |
| 52 | Myrtle Carlson | 58 | Wife | — | Missouri |
| 53 | Ruth Carlson THIS PERSON | 33 | Daughter | Teacher | Indiana |
| 54 | Edward H. Carlson | 22 | Son | Salesman | Indiana |
| 55 | Herschel Rector | 34 | Head | Teacher | Indiana |
| 56 | Naoma Rector | 33 | Wife | — | Indiana |
| 57 | Hugh Robbins | 20 | Head | Springsetter | Indiana |
| 58 | Emagene Robbins | 18 | Wife | — | Indiana |
| 59 | Janet Robbins | 0 | Daughter | — | Indiana |
| 60 | Josephine Thayer | 59 | Head | — | Indiana |
| 61 | John G. Stegman | 30 | Head | Salesman | Indiana |
| 62 | Mildred T. Stegman | 32 | Wife | Saleslady | Indiana |
| 63 | John D. Stegman | 5 | Son | — | Indiana |
| 64 | Sammy Joe Stegman | 1 | Son | — | Indiana |
| 65 | John R. Davis | 79 | Father-in-law | Fireman | Indiana |
| 66 | Lawenna Cadrey | 38 | Lodger | Nurse | Indiana |
| 67 | Forest B. Chalfant | 34 | Head | Territorial Manager | Indiana |
| 68 | Faye V. Chalfant | 33 | Wife | — | Indiana |
| 69 | Earle H. Chalfant | 5 | Son | — | Indiana |
| 70 | Frank O. Evans | 56 | Head | Owner Manager | Indiana |
| 71 | Elizabeth Evans | 55 | Wife | — | Indiana |
| 72 | Francis R. Evans | 24 | Daughter | Bookkeeper | Indiana |
| 73 | Arthur B. Guyer | 75 | Head | Blacksmith | Indiana |
| 74 | Mattie J. Guyer | 79 | Wife | — | Indiana |
| 75 | Zora Guyer | 43 | Daughter | Saleslady | Indiana |
| 76 | Mae Van Osdol | 67 | Head | — | Indiana |
| 77 | Elizabeth Van Osdol | 37 | Daughter | Teacher | Indiana |
| 78 | Wilsie Oldfather | 55 | Housekeeper | Housekeeper | Indiana |
| 79 | Olive De Bruler | 25 | Lodger | Teacher | Indiana |
| 80 | John P. Van Osdol | 35 | Head | Dentist | Indiana |
Related Census Records
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 2 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)