RK
Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Page-County, Iowa
Our Model Tree links this Robert King across the 1920, 1930 and 1940 US Censuses in Page-County, Iowa (XGBoost, ~Confirmed), with identified parents E & Elzy — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Page-County, Iowa |
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Coin town |
| 1935 Residence (County) | Page |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Building trade |
| Class of Worker | PW |
| Income (1939) | 300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Apprentice |
| Township / Ward | Coin Town |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Dorothy King | Daughter | — | 19 | ~1921 |
| Virginia King | Daughter | — | 22 | ~1918 |
| Kathryn King | Daughter | — | 30 | ~1910 |
| Joemary King | Daughter | — | 17 | ~1923 |
| Frances King | Daughter | — | 28 | ~1912 |
| Robert King | Son | — | 21 | ~1919 |
| Mabel King | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Page, Iowa
Son, age 1
Page, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Page, Iowa
Son, age 11
Page, Iowa · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Page-County, Iowa
Son, age 21
Page-County, Iowa · implied b. ~1919 — 7 household members
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Coin town |
| 1935 Residence (County) | Page |
| Occupation | Apprentice |
| Industry | Building trade |
| Class of Worker | PW |
| Income (1939) | 300 |
| Highest Grade | H 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 Robert King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father E King (~0.92 confidence) and father Elzy King (~0.92 confidence) and mother Mabel King (~0.92 confidence) and mother Mable King (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E King
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Elzy King
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mabel King
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mable King
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Virginia King
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances King
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joemary King
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn King
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy King
Sibling · 1940 · age 19
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 — Page-County, Iowa
Open full size
1940 US Federal Census — Page-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01188-00077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel King | 60 | Wife | — | Iowa |
| 42 | Kathryn King | 30 | Daughter | Teacher | Iowa |
| 43 | Frances King | 28 | Daughter | Teacher | Iowa |
| 44 | Virginia King | 22 | Daughter | — | Iowa |
| 45 | Robert King THIS PERSON | 21 | Son | Apprentice | Iowa |
| 46 | Dorothy King | 19 | Daughter | Typist | Iowa |
| 47 | Joe|Mary King | 17 | Daughter | — | Iowa |
| 48 | Willie D. Jeffrey | 40 | Head | Proprietor | Iowa |
| 49 | Marianne Jeffrey | 34 | Wife | — | Iowa |
| 50 | Faith Jeffrey | 12 | Daughter | — | Missouri |
| 51 | Dale Wood | 30 | Head | Attendant | Iowa |
| 52 | Lucille Wood | 29 | Wife | Waitress | Missouri |
| 53 | Thomas Foster | 48 | Head | Teacher | Indiana |
| 54 | Julia Foster | 44 | Wife | Teacher | Indiana |
| 55 | Ann|Amy Foster | 8 | Daughter | — | Indiana |
| 56 | Andrew Turner | 61 | Head | Buyer | Missouri |
| 57 | Roger Turner | 23 | Son | Apprentice | Iowa |
| 58 | Reece Turner | 20 | Son | Laborer | Iowa |
| 59 | Joseph Woodward | 63 | Head | Common Laborer | Illinois |
| 60 | John Woodward | 15 | Son | — | Iowa |
| 61 | Jerry Woodward | 12 | Son | — | Iowa |
| 62 | James Woodward | 10 | Son | — | Iowa |
| 63 | Grace Ludington | 17 | Daughter | — | Iowa |
| 64 | C. S. Buckel | 72 | Head | Proprietor | Indiana |
| 65 | Blair Dobbins|Robbins | 73 | Head | Minister | North Dakota |
| 66 | Jennie Dobbins|Robbins | 64 | Wife | — | Ohio |
| 67 | Leslie Alexander | 52 | Head | Manager | Iowa |
| 68 | Rose Alexander | 52 | Wife | — | Iowa |
| 69 | Helen Harmon | 28 | Lodger | Teacher | Iowa |
| 70 | Curtis Mcclarnot | 43 | Head | Proprietor | Iowa |
| 71 | Dolly Mcclarnot | 43 | Wife | — | Iowa |
| 72 | Dorothy Mcclarnot | 17 | Daughter | — | Iowa |
| 73 | Paul Harrel | 33 | Head | Proprietor | Iowa |
| 74 | Mary Harrel | 31 | Wife | Saleswoman | Iowa |
| 75 | Paul Jr. Harrel | 4 | Son | — | Iowa |
| 76 | Olive Williams | 60 | Head | — | Iowa |
| 77 | Marion Williams | 19 | Daughter | Laboratory | Iowa |
| 78 | Charles Williams | 79 | Brother | — | Ohio |
| 79 | Alva Oliphant | 24 | Lodger | Teacher | Nebraska |
| 80 | Charles Hitch | 71 | Head | — | Kansas |
Related Census Records
Pedigree Summary
Robert + 5 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)