AC
Agnes Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Agnes Clark across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 7-person household.
Age 41
b. ~1879
Female
Spouse
Born: Ohio
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Clark |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Knoxville Borough |
| Est. Birth Year | ~1879 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Clark | Son | — | 15 | ~1905 |
| Gertrude Clark | Daughter | — | 18 | ~1902 |
| Alexander Clark | Head | — | 42 | ~1878 |
| Nellie Clark | Daughter | — | 3 | ~1917 |
| Agnes Clark | Spouse | — | 41 | ~1879 |
| Robert Clark | Son | — | 10 | ~1910 |
| George Clark | Son | — | 20 | ~1900 |
Census Appearances
1910
Allegheny, Pennsylvania
Spouse, age 31
Allegheny, Pennsylvania · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 12 |
| Children Born | 4 |
| Children Living | 4 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Allegheny, Pennsylvania
Spouse, age 41
Allegheny, Pennsylvania · implied b. ~1879 — 7 household members
| Surname | Clark |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Agnes Clark across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Agnes Clark
Spouse · 1920 · age 41 · b. ~1879 · Pennsylvania
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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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1513unit:0172)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reginald Donnell | 30 | Head | Superintendent | Iowa |
| 2 | Effie Donnell | 31 | Wife | — | Pennsylvania |
| 3 | June Donnell | 5 | Son | — | Pennsylvania |
| 4 | James Donnell | 1 | Son | — | Pennsylvania |
| 5 | Euphemia Mcintosh | 62 | Mother-in-law | — | Scotland |
| 6 | George Upton | 31 | Head | Freight Agent | Massachusetts |
| 7 | Mary Upton | 30 | Wife | — | Massachusetts |
| 8 | Marjorie Upton | 5 | Daughter | — | New York |
| 9 | Lois Upton | 2 | Daughter | — | Pennsylvania |
| 10 | Alexander Clark | 42 | Head | Decorator | Pennsylvania |
| 11 | Agnes Clark THIS PERSON | 41 | Wife | — | Ohio |
| 12 | George Clark | 20 | Son | Shipping Clerk | Ohio |
| 13 | Gertrude Clark | 18 | Daughter | Teacher | Pennsylvania |
| 14 | Kenneth Clark | 15 | Son | — | Ohio |
| 15 | Robert Clark | 10 | Son | — | Pennsylvania |
| 16 | Nellie Clark | 3 | Daughter | — | Pennsylvania |
| 17 | Charles Ammons | 70 | Head | Operator | Pennsylvania |
| 18 | Pearl Ammons | 33 | Wife | — | New York |
| 19 | Martha Gerry | 60 | Mother-in-law | — | Pennsylvania |
| 20 | Albert Stocker | 33 | Head | Painter | Pennsylvania |
| 21 | Ella Stocker | 33 | Wife | — | Pennsylvania |
| 22 | Eleanor Stocker | 6 | Daughter | — | Pennsylvania |
| 23 | Albert Stocker | 4 | Son | — | Pennsylvania |
| 24 | August Eutner | 55 | Head | Carpenter | Saxony |
| 25 | Bertha Eutner | 51 | Wife | — | Baden |
| 26 | Charles Eutner | 27 | Son | Inspector | Pennsylvania |
| 27 | Katherine Eutner | 25 | Daughter | Clerk | Pennsylvania |
| 28 | Albert Eutner | 20 | Son | Electrician | Pennsylvania |
| 29 | William Youngflash | 13 | Nephew | — | Pennsylvania |
| 30 | William Barrett | 49 | Head | Manager | Pennsylvania |
| 31 | Mary Barrett | 45 | Wife | — | Pennsylvania |
| 32 | Robert E. Barrett | 23 | Son | Accountant | Pennsylvania |
| 33 | Harold Barrett | 20 | Son | Accountant | Pennsylvania |
| 34 | Margaret Barrett | 18 | Daughter | Operator | Pennsylvania |
| 35 | Helen Barrett | 16 | Daughter | — | Pennsylvania |
| 36 | Mary Barrett | 13 | Daughter | — | Pennsylvania |
| 37 | Royal Henry Husted | 31 | Head | Salesman | Pennsylvania |
| 38 | Lillie Husted | 34 | Wife | — | Pennsylvania |
| 39 | Dorothy Husted | 11 | Daughter | — | Pennsylvania |
| 40 | Robert Husted | 8 | Son | — | Pennsylvania |
| 41 | Elinor Husted | 3 | Daughter | — | Pennsylvania |
| 42 | Anna Johnston | 20 | Servant | Servant | Sweden |
| 43 | Daniel Cloth | 43 | Head | Foreman | Pennsylvania |
| 44 | Lillian Cloth | 37 | Wife | — | Pennsylvania |
| 45 | John Cloth | 18 | Son | — | Pennsylvania |
| 46 | Dale Cloth | 10 | Son | — | Pennsylvania |
| 47 | George Johnston | 54 | Head | Engineer | Kentucky |
| 48 | Mary Johnston | 54 | Wife | — | Pennsylvania |
| 49 | Frank Kohman | 38 | Head | Florist | Pennsylvania |
| 50 | Mary Kohman | 35 | Wife | — | Pennsylvania |
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)