WC
William Clark — 1920 US Census Record
Model Tree available1920 United States Federal Census · Dubuque, Iowa
Our Model Tree links this William Clark across the 1900, 1910 and 1920 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed), with identified parents William & Ellen — first a son (b.~1887), then head of a 5-person household.
Age 33
b. ~1887
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Dubuque, Iowa |
| Surname | Clark |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | 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 | Laborer |
| Township / Ward | Table Mound Township |
| Est. Birth Year | ~1887 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Tresa Clark | Daughter | — | 30 | ~1890 |
| William Clark | Head | — | 67 | ~1853 |
| William Clark | Son | — | 33 | ~1887 |
| Louis Clark | Son | — | 27 | ~1893 |
| Ellen Clark | Spouse | — | 63 | ~1857 |
Census Appearances
1900
Dubuque, Iowa
Son, age 16
Dubuque, Iowa · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Dec |
| Birth Year | 1884 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Dubuque, Iowa
Son, age 24
Dubuque, Iowa · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William A |
| 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 | Farmer |
| Industry | General farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Dubuque, Iowa
Son, age 33
Dubuque, Iowa · implied b. ~1887 — 5 household members
| Surname | Clark |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | 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 William Clark across 3 US Census years (1900, 1910 and 1920) in Dubuque, Iowa, using XGBoost record linkage. Identified parents: father William Clark (~0.92 confidence) and mother Ellen Clark (~0.92 confidence) and mother Ellen Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Clark
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Ellen Clark
b. ~1855
Source mother
● Household
· direct · ~0.92
Mother
Ellen Clark
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Clark
Son · 1920 · age 33 · b. ~1887 · Iowa
★ You are viewing this record
Sibling
Louis Clark
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tresa Clark
Sibling · 1920 · age 30
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:1141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Clark | 67 | Head | Farmer | Iowa |
| 52 | Ellen Clark | 63 | Wife | — | Iowa |
| 53 | William A. Clark THIS PERSON | 33 | Son | Laborer | Iowa |
| 54 | Tresa Clark | 30 | Daughter | — | Iowa |
| 55 | Louis A. Clark | 27 | Son | Laborer | Iowa |
| 56 | David Tarrant | 54 | Head | Manager | Ireland |
| 57 | Ellen Tarrant | 54 | Wife | — | Wisconsin |
| 58 | Daniel Tarrant | 24 | Son | Laborer | Iowa |
| 59 | James Tarrant | 14 | Son | — | Iowa |
| 60 | Josephine Tarrant | 12 | Daughter | — | Iowa |
| 61 | Clementine Tarrant | 12 | Daughter | — | Iowa |
| 62 | Kathryn Tarrant | 10 | Daughter | — | Iowa |
| 63 | John Riley | 46 | Head | Farmer | Iowa |
| 64 | Cecelia Riley | 42 | Wife | — | Iowa |
| 65 | Joseph Riley | 9 | Son | — | Iowa |
| 66 | Grace Riley | 7 | Daughter | — | Iowa |
| 67 | Bernice Riley | 5 | Daughter | — | Iowa |
| 68 | Ruth C. Riley | 1 | Daughter | — | Iowa |
| 69 | Thomas Mcandrew | 16 | Stepson | Laborer | Iowa |
| 70 | Catharine Fernan | 54 | Head | Farmer | Iowa |
| 71 | Vincent Fernan | 21 | Son | Laborer | Iowa |
| 72 | John P. Waldvilling | 57 | Head | Farmer | Luxemburg |
| 73 | Elizabeth Waldvilling | 50 | Wife | — | Luxemburg |
| 74 | Mary Waldvilling | 21 | Daughter | Dressmaker | Iowa |
| 75 | Loretta Waldvilling | 19 | Daughter | — | Iowa |
| 76 | Joseph Waldvilling | 16 | Son | — | Iowa |
| 77 | Carl Waldvilling | 14 | Son | — | Iowa |
| 78 | Mary Mccabe | 72 | Head | — | Luxemburg |
| 79 | Ellen Mccabe | 45 | Daughter | — | Iowa |
| 80 | Louis Decker | 45 | Head | Farmer | Iowa |
| 81 | Elizabeth Decker | 41 | Wife | — | Iowa |
| 82 | Vincent Decker | 13 | Son | — | Iowa |
| 83 | Sylvia Decker | 12 | Daughter | — | Iowa |
| 84 | Florence Decker | 6 | Daughter | — | Iowa |
| 85 | Patrick Kane | 64 | Head | Farmer | Ohio |
| 86 | Mary K. Kane | 54 | Wife | — | Iowa |
| 87 | Patrick B. Kane | 25 | Son | Laborer | Iowa |
| 88 | Frank Kane | 23 | Son | Laborer | Iowa |
| 89 | John Kane | 21 | Son | Laborer | Iowa |
| 90 | Joseph Kane | 17 | Son | Laborer | Iowa |
| 91 | Thomas Hanley | 62 | Head | Farmer | Iowa |
| 92 | Amelia Hanley | 64 | Wife | — | Iowa |
| 93 | John Hanley | 28 | Son | Laborer | Iowa |
| 94 | Mary Hanley | 21 | Daughter | — | Iowa |
| 95 | Louis Schmitz | 66 | Head | Carpenter | Luxemburg |
| 96 | Joseph Sullivan | 33 | Head | Farmer | Iowa |
| 97 | Mary Sullivan | 30 | Sister | — | Iowa |
| 98 | Lawrence Sullivan | 26 | Brother | Laborer | Iowa |
| 99 | William Kaufmann | 35 | Head | Farmer | Iowa |
| 100 | Ruby Kaufmann | 25 | Wife | — | Iowa |
Related Census Records
Pedigree Summary
William + 2 siblings
Gen 1 · 3 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)