RJ
Raymond Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Raymond Johnson across the 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents August & Edward — first a son (b.~1901), then head of a 6-person household.
Age 29
b. ~1901
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Johnson |
| Given Name | Raymond J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Salesman |
| Industry | Dry Goods Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Raymond | Age | Birth yr |
|---|---|---|---|---|
| Edward Johnson | Head | — | 62 | ~1868 |
| Line Johnson | Other | — | 56 | ~1874 |
| Donald Johnson | Son | — | 14 | ~1916 |
| Sanford Johnson | Son | — | 20 | ~1910 |
| George Johnson | Son | — | 17 | ~1913 |
| Raymond Johnson | Son | — | 29 | ~1901 |
Census Appearances
1910
Polk, Iowa
Son, age 10
Polk, Iowa · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Raymond O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Son, age 19
Polk, Iowa · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Raymond C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Occupation | Clerk |
| Industry | Wholesale Grocery |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 29
Polk, Iowa · implied b. ~1901 — 6 household members
| Surname | Johnson |
| Given Name | Raymond J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Salesman |
| Industry | Dry Goods Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Raymond Johnson across 3 US Census years (1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: father August Johnson (~0.92 confidence) and father Edward Johnson (~0.92 confidence) and father Edward Johnson (~0.92 confidence) and mother Pena Johnson (~0.92 confidence) and mother Lina Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Edward Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Edward Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Pena Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Lina Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Raymond Johnson
Son · 1930 · age 29 · b. ~1901 · Iowa
★ You are viewing this record
Sibling
George Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sanford Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Johnson
Sibling · 1930 · age 14
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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel677:0633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas R Collins | 33 | Head | Receiving Clerk | Iowa |
| 2 | Corala E Collins | 33 | Wife-H | None | Iowa |
| 3 | Edward Ward | 52 | Head | Brakeman | Kentucky |
| 4 | Lulu M Ward | 52 | Wife-H | None | Maine |
| 5 | Robert D Wiley | 60 | Head | None | Indiana |
| 6 | Dora Walker | 48 | Head | None | Iowa |
| 7 | Minnie Stevens | 63 | Nurse | Practical Nurse | Iowa |
| 8 | William Willshaw | 72 | Head | Blacksmith | England |
| 9 | Mary Willshaw | 59 | Wife-H | None | Illinois |
| 10 | Harold C Riggs | 32 | Head | Truck Driver | Iowa |
| 11 | Bernice Riggs | 23 | Wife-H | None | Iowa |
| 12 | Robert Riggs | 3 | Son | None | Iowa |
| 13 | Oscar Lewis | 41 | Head | Truck Driver | Missouri |
| 14 | Beatrice Lewis | 39 | Wife-H | None | Oklahoma |
| 15 | Daniel Steinway | 43 | Head | Barber | Poland |
| 16 | Sarah Steinway | 34 | Wife-H | None | Poland |
| 17 | Morris Steinway | 14 | Son | None | Illinois |
| 18 | Max Steinway | 11 | Son | None | Iowa |
| 19 | Abraham Steinway | 8 | Son | None | Iowa |
| 20 | Ruth Steinway | 5 | Daughter | None | Iowa |
| 21 | Gephard O Lee | 47 | Head | Laborer | Iowa |
| 22 | Florence E Lee | 52 | Wife-H | None | Iowa |
| 23 | Louise Vestre | 42 | Head-HR | Housework | Norway |
| 24 | Gilbert Vestre | 19 | Son | Laborer | Iowa |
| 25 | Maggie Vestre | 16 | Daughter | None | Iowa |
| 26 | Glenn W Haycraft | 24 | Head | Mechanic | Illinois |
| 27 | Gertrude Haycraft | 22 | Wife-H | None | Illinois |
| 28 | Nathaniel Houston | 49 | Head | Laborer | Iowa |
| 29 | Clara Houston | 48 | Wife-H | Housework | Virginia |
| 30 | Ella E Douglas | 43 | Head-HR | Laundress | Tennessee |
| 31 | Bertha Douglas | 33 | Lodger | Housework | Texas |
| 32 | Dorothy Douglas | 17 | Lodger | None | Texas |
| 33 | Mary L Wise | 39 | Head | Laundress | Illinois |
| 34 | Flora Wise | 22 | Daughter-H | Maid | Missouri |
| 35 | Augustus Wise | 17 | Son | Yard Laborer | Missouri |
| 36 | George W Mcelroy | 33 | Head | Fireman | N. Carolina |
| 37 | Gertie Mcelroy | 31 | Wife-H | None | Arkansas |
| 38 | Iuana J Mcelroy | 5 | Daughter | None | Arkansas |
| 39 | Ardele L Mcelroy | 3 | Daughter | None | Arkansas |
| 40 | George W Mcelroy | 1 | Son | None | Arkansas |
| 41 | L. M. Miller | 38 | Head | Miner | Missouri |
| 42 | Maud Miller | 40 | Wife-H | Chambermaid | Missouri |
| 43 | Sylvia Miller | 75 | Mother | None | Missouri |
| 44 | Edward J Johnson | 62 | Head | Laborer | Sweden |
| 45 | Line Johnson | 56 | Wife-H | None | Norway |
| 46 | Raymond J Johnson THIS PERSON | 29 | Son | Salesman | Iowa |
| 47 | Sanford J Johnson | 20 | Son | Clerk | Iowa |
| 48 | George M Johnson | 17 | Son | Clerk | Iowa |
| 49 | Donald L Johnson | 14 | Son | None | Iowa |
| 50 | — | None | — | — | — |
Pedigree Summary
Raymond + 3 siblings
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 1930 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)