SJ
Sophia Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Butler, Iowa
Our Model Tree links this Sophia Johnson across the 1930 and 1940 US Censuses in Butler, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 11-person household.
Age 0
b. ~1930
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Butler, Iowa |
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Albion Township Part |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Sophia | Age | Birth yr |
|---|---|---|---|---|
| Clarence Johnson | Son | — | 3 | ~1927 |
| Gerald Johnson | Son | — | 7 | ~1923 |
| George Johnson | Head | — | 40 | ~1890 |
| Anna Johnson | Daughter | — | 13 | ~1917 |
| Sophia Johnson | Daughter | — | ~1930 | |
| Anna Johnson | Daughter | — | 12 | ~1918 |
| Edward Johnson | Son | — | 5 | ~1925 |
| Henrietta Johnson | Daughter | — | 10 | ~1920 |
| George Johnson | Son | — | 1 | ~1929 |
| Dena Johnson | Spouse | — | 23 | ~1907 |
| Richard Johnson | Son | — | 8 | ~1922 |
Census Appearances
1930
Butler, Iowa
Daughter, age
Butler, Iowa · implied b. ~1930 — 11 household members
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Butler-County, Iowa
Daughter, age 10
Butler-County, Iowa · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sophie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Albion Twp |
| 1935 Residence (County) | Butler |
| Highest Grade | No 6 |
| 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 Sophia Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sophia Johnson
Daughter · 1930 · age 0 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Henrietta Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Johnson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Johnson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Johnson
Sibling · 1930 · age 8
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 — Butler, Iowa
Open full size
1930 US Federal Census — Butler, Iowa
Page Contents
35 people indexed on this census page (ia:1930:iowacensus00reel645:0449)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Norman | 16 | Son | — | Iowa |
| 52 | Robert | 14 | Son | — | Iowa |
| 53 | Thomas | 10 | Son | — | Iowa |
| 54 | Thelma Neesen | 12 | Niece | — | Iowa |
| 55 | Lydia Church | 60 | Head | Nurse | Iowa |
| 56 | James A. Cordner | 61 | Head | Farmer | Iowa |
| 57 | Malita Cordner | 59 | Wife | — | Iowa |
| 58 | Lew E. Cordner | 59 | Brother | Laborer | Iowa |
| 59 | Fred Freeman | 38 | Head | Farmer | Iowa |
| 60 | Jennie Freeman | 38 | Wife | — | Iowa |
| 61 | Fern Freeman | 8 | Daughter | — | Iowa |
| 62 | Jean Freeman | 8 | Daughter | — | Iowa |
| 63 | Thelma Freeman | 5 | Daughter | — | Iowa |
| 64 | Phyllis Freeman | 2 | Daughter | — | Iowa |
| 65 | John Bartels | 45 | Head | Farmer | Iowa |
| 66 | Clara Bartels | 41 | Wife | — | Iowa |
| 67 | Edward Bartels | 22 | Son | Laborer | Iowa |
| 68 | Richard Frey | 2 | Nephew | — | Iowa |
| 69 | Klaas Hinders | 71 | Head | Farmer | Holland |
| 70 | Annie Hinders | 67 | Wife | — | Germany |
| 71 | John Mulkins | 28 | Head | Farmer | Missouri |
| 72 | Jessie Mulkins | 24 | Wife | — | Iowa |
| 73 | George H. Johnson | 40 | Head | Farmer | Germany |
| 74 | Dena Johnson | 23 | Wife | — | Germany |
| 75 | Anna Johnson | 13 | Daughter | — | Iowa |
| 76 | Anna Johnson | 12 | Daughter | — | Iowa |
| 77 | Henrietta Johnson | 10 | Daughter | — | Iowa |
| 78 | Richard Johnson | 8 | Son | — | Iowa |
| 79 | Gerald Johnson | 7 | Son | — | Iowa |
| 80 | Edward Johnson | 5 | Son | — | Iowa |
| 81 | Clarence Johnson | 3 | Son | — | Iowa |
| 82 | George Jr. Johnson | 1 | Son | — | Iowa |
| 83 | Sophia Johnson THIS PERSON | 0 | Daughter | — | Iowa |
| 84 | Morgan J. Parks | 70 | Head | — | Iowa |
| 85 | Stella Parks | 59 | Wife | — | Iowa |
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)