BP
Bertha Peterson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Jones, Iowa
Our Model Tree links this Bertha Peterson across the 1920, 1930 and 1940 US Censuses in Jones, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 30
b. ~1890
Female
Spouse
Born: Germany
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Jones, Iowa |
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1901 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Madison Twp |
| Est. Birth Year | ~1890 |
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 1920 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Peterson | Spouse | — | 30 | ~1890 |
| John Peterson | Son | — | ~1920 | |
| Velma Peterson | Daughter | — | 2 | ~1918 |
| Martin Peterson | Head | — | 29 | ~1891 |
Census Appearances
1920
Jones, Iowa
Spouse, age 30
Jones, Iowa · implied b. ~1890 — 4 household members
| Surname | Peterson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1901 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Jones, Iowa
Spouse, age 40
Jones, Iowa · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 27 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Jones-County, Iowa
Spouse, age 50
Jones-County, Iowa · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Hale Township |
| 1935 Residence (County) | Jones |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Bertha Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Peterson
Spouse · 1920 · age 30 · b. ~1890 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Jones, Iowa
Open full size
1920 US Federal Census — Jones, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu495unit:0684)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bessie Dussard | 9 | Daughter | — | Iowa |
| 52 | Lester William Dussard | 5 | Son | — | Iowa |
| 53 | Carl Wrochal | 35 | Head | Farmer | Iowa |
| 54 | Caroline Wrochal | 35 | Wife | — | Iowa |
| 55 | Vera Wrochal | 5 | Daughter | — | Iowa |
| 56 | E. F. Rohwedder | 39 | Head | Farmer | Iowa |
| 57 | Elsie Rohwedder | 37 | Wife | — | Iowa |
| 58 | Frieda L. Rohwedder | 12 | Daughter | — | Iowa |
| 59 | John L. Rohwedder | 7 | Son | — | Iowa |
| 60 | Paul G. Rohwedder | 6 | Son | — | Iowa |
| 61 | Chris H. P. Hanson | 47 | Head | Farmer | Germany |
| 62 | Otillie Hanson | 48 | Wife | — | Illinois |
| 63 | Jessie Hanson | 14 | Daughter | — | Iowa |
| 64 | Emma Hanson | 11 | Daughter | — | Iowa |
| 65 | John Burkholtz | 45 | Head | Farmer | New York |
| 66 | Lena Burkholtz | 35 | Wife | — | Illinois |
| 67 | Francis Burkholtz | 7 | Daughter | — | Iowa |
| 68 | Freddie Burkholtz | 3 | Son | — | Iowa |
| 69 | John Radliff | 41 | Head | Farmer | Iowa |
| 70 | Anna Radliff | 40 | Wife | — | Germany |
| 71 | John Kalaune | 46 | Head | Farmer | U. S. |
| 72 | Emma Kalaune | 41 | Wife | — | U. S. |
| 73 | Louise Kalaune | 22 | Daughter | School Teacher | Iowa |
| 74 | James Story | 81 | Head | — | Iowa |
| 75 | Mary Story | 74 | Wife | — | Iowa |
| 76 | Boy Feldman | 53 | Head | Farmer | Germany |
| 77 | Caroline Feldman | 45 | Wife | — | Illinois |
| 78 | John Feldman | 20 | Son | — | Iowa |
| 79 | Paul Feldman | 19 | Son | — | Iowa |
| 80 | Martha Feldman | 17 | Daughter | — | Iowa |
| 81 | Bernhart Feldman | 15 | Son | — | Iowa |
| 82 | Jens Feldman | 12 | Son | — | Iowa |
| 83 | Ferdinand Feldman | 9 | Son | — | Iowa |
| 84 | Edna Feldman | 7 | Daughter | — | Iowa |
| 85 | Helma Feldman | 6 | Daughter | — | Iowa |
| 86 | Arnold Feldman | 2 | Son | — | Iowa |
| 87 | John Jansen | 29 | Head | Farmer | Iowa |
| 88 | Ana Jansen | 26 | Wife | — | Iowa |
| 89 | Donald Jansen | 2 | Son | — | Iowa |
| 90 | L. H. Abendroth | 26 | Head | Farmer | Iowa |
| 91 | Alta Abendroth | 20 | Wife | — | Iowa |
| 92 | W. Clay Peck | 34 | Head | Farmer | Iowa |
| 93 | Anna S. Peck | 31 | Wife | — | Iowa |
| 94 | O. H. Peck | 66 | Father | — | Iowa |
| 95 | Elsa Peck | 1 | Daughter | — | Iowa |
| 96 | Guy Peck | 36 | Brother | Laborer | Iowa |
| 97 | Martin John Peterson | 29 | Head | Farmer | Germany |
| 98 | Bertha Peterson THIS PERSON | 30 | Wife | — | Germany |
| 99 | Velma Peterson | 2 | Daughter | — | Iowa |
| 100 | John Henry Peterson | 0 | Son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)