JE
John Evans — 1920 US Census Record
Model Tree available1920 United States Federal Census · Dubuque, Iowa
Our Model Tree links this John Evans across the 1900, 1910 and 1920 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1896), then head of a 8-person household.
Age 24
b. ~1896
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Dubuque, Iowa |
| Surname | Evans |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Peru Township |
| Est. Birth Year | ~1896 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Bizanz | Daughter | — | 33 | ~1887 |
| John Evans | Head | — | 66 | ~1854 |
| Frank Bizanz | Other | — | 10 | ~1910 |
| Earl Bizanz | Other | — | 8 | ~1912 |
| Ruth Bizanz | Other | — | 4 | ~1916 |
| Benjamin Evans | Son | — | 30 | ~1890 |
| John Evans | Son | — | 24 | ~1896 |
| Anna Evans | Spouse | — | 56 | ~1864 |
Census Appearances
1900
Dubuque, Iowa
Son, age 5
Dubuque, Iowa · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Sept |
| Birth Year | 1895 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Dubuque, Iowa
Son, age 14
Dubuque, Iowa · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | John V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Dubuque, Iowa
Son, age 24
Dubuque, Iowa · implied b. ~1896 — 8 household members
| Surname | Evans |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 John Evans across 3 US Census years (1900, 1910 and 1920) in Dubuque, Iowa, using XGBoost record linkage. Identified parents: father John Evans (~0.92 confidence) and father John Evans (~0.92 confidence) and mother Anna Evans (~0.92 confidence) and mother Emma Evans (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Evans
b. ~1854
Source father
● Household
· direct · ~0.92
Father
John Evans
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Anna Evans
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Emma Evans
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Evans
Son · 1920 · age 24 · b. ~1896 · Iowa
★ You are viewing this record
Sibling
Benjamin Evans
Sibling · 1920 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Bizanz
Sibling · 1920 · age 33
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
1920 US Federal Census — Dubuque, Iowa
Open full size
1920 US Federal Census — Dubuque, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu488unit:1100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Heinze | 60 | Head | — | Iowa |
| 2 | Frank Hedrich | 29 | Head | Farmer | Iowa |
| 3 | Mayme Hedrich | 24 | Wife | — | Iowa |
| 4 | Marie Hedrich | 5 | Daughter | — | Iowa |
| 5 | Evelyn Hedrich | 2 | Daughter | — | Iowa |
| 6 | Joseph Hedrich | 26 | Brother | Laborer | Iowa |
| 7 | Sophia Hedrich | 21 | Sister-in-law | — | Iowa |
| 8 | Sophia Hedrich | 1 | Niece | — | Iowa |
| 9 | Edward Butler | 65 | Head | Farmer | Iowa |
| 10 | Louisa Butler | 46 | Wife | — | Iowa |
| 11 | Will Sheffield | 30 | Head | Farmer | Wisconsin |
| 12 | Margaret Sheffield | 28 | Wife | — | Wisconsin |
| 13 | Cecil Sheffield | 8 | Granddaughter | — | Iowa |
| 14 | Mary Ruff | 67 | Head | Farmer | Iowa |
| 15 | Antony Ruff | 31 | Son | Farm Laborer | Iowa |
| 16 | William Ruff | 27 | Son | Farm Laborer | Iowa |
| 17 | Joseph Nacht | 25 | Head | Laborer | Iowa |
| 18 | Vanda Nacht | 22 | Wife | — | Iowa |
| 19 | Irma Nacht | 4 | Daughter | — | Iowa |
| 20 | Charles Lange | 54 | Head | Farmer | Germany |
| 21 | Elizabeth Lange | 56 | Wife | — | Baden |
| 22 | Joseph Schadl | 32 | Son-in-law | Carpenter | Hungary |
| 23 | Rosa Schadl | 29 | Daughter | — | Iowa |
| 24 | Joseph Jr. Schadl | 3 | Grandson | — | Iowa |
| 25 | Rosella Schadl | 2 | Granddaughter | — | Iowa |
| 26 | Leo Imthun | 85 | Father-in-law | — | Baden |
| 27 | Lena Ruff | 61 | Head | Farmer | Iowa |
| 28 | Sophia Ruff | 31 | Daughter | Farm Laborer | Iowa |
| 29 | Charles Ruff | 24 | Head | Farmer | Iowa |
| 30 | Alena Ruff | 21 | Wife | — | Iowa |
| 31 | Harold Ruff | 1 | Son | — | Iowa |
| 32 | George Pottschalk | 54 | Head | Farmer | Iowa |
| 33 | Katherine Pottschalk | 51 | Wife | — | Germany |
| 34 | Antony Pottschalk | 27 | Son | Farm Laborer | Iowa |
| 35 | Ursula Pottschalk | 24 | Daughter | — | Iowa |
| 36 | Henry Pottschalk | 19 | Son | Farm Laborer | Iowa |
| 37 | Andrew Pottschalk | 59 | Head | Farmer | Germany |
| 38 | Ursula Pottschalk | 57 | Wife | — | Switzerland |
| 39 | Joseph Pottschalk | 23 | Son | Farm Laborer | Iowa |
| 40 | Emma Pottschalk | 21 | Daughter | — | Iowa |
| 41 | Joseph Riedi | 25 | Head | Farmer | Iowa |
| 42 | Christopher Riedi | 27 | Brother | Farm Laborer | Iowa |
| 43 | John S. Evans | 66 | Head | Farmer | Iowa |
| 44 | Anna Evans | 56 | Wife | — | Iowa |
| 45 | Benjamin Evans | 30 | Son | Farm Laborer | Iowa |
| 46 | John Jr. Evans THIS PERSON | 24 | Son | Farm Laborer | Iowa |
| 47 | Anna Bizanz | 33 | Daughter | — | Iowa |
| 48 | Frank Bizanz | 10 | Grandson | — | Washington |
| 49 | Earl Bizanz | 8 | Grandson | — | Iowa |
| 50 | Ruth Bizanz | 4 | Granddaughter | — | Iowa |
Pedigree Summary
John + 2 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 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)