RK
Robert Kerr — 1920 US Census Record
Model Tree available1920 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this Robert Kerr across the 1900, 1910 and 1920 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1901), then head of a 4-person household.
Age 19
b. ~1901
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Pennsylvania |
| Surname | Kerr |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Finleyville Borough |
| Est. Birth Year | ~1901 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Lillian Kerr | Spouse | — | 52 | ~1868 |
| Ethel Kerr | Daughter | — | 14 | ~1906 |
| John Kerr | Head | — | 64 | ~1856 |
| Robert Kerr | Son | — | 19 | ~1901 |
Census Appearances
1900
Washington, Pennsylvania
Son, age
Washington, Pennsylvania · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | May |
| Birth Year | 1900 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Washington, Pennsylvania
Son, age 10
Washington, Pennsylvania · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Son, age 19
Washington, Pennsylvania · implied b. ~1901 — 4 household members
| Surname | Kerr |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Robert Kerr across 3 US Census years (1900, 1910 and 1920) in Washington, Pennsylvania, using XGBoost record linkage. Identified parents: father John Kerr (~0.92 confidence) and father John Kerr (~0.92 confidence) and father John Kerr (~0.92 confidence) and mother Lillian Kerr (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kerr
b. ~1856
Source father
● Household
· direct · ~0.92
Father
John Kerr
b. ~1856
Source father
● Household
· direct · ~0.92
Father
John Kerr
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Lillian Kerr
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Kerr
Son · 1920 · age 19 · b. ~1901 · Pennsylvania
★ You are viewing this record
Sibling
Ethel Kerr
Sibling · 1920 · age 14
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 — Washington, Pennsylvania
Open full size
1920 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1661unit:0011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Francis Sebolt | 22 | Niece | Telephone Operator | Pennsylvania |
| 52 | Margaret Sebolt | 16 | Niece | — | Pennsylvania |
| 53 | Ross Gouchnour | 36 | Head | Clerk | Pennsylvania |
| 54 | Nellie E Gouchnour | 30 | Wife | — | Pennsylvania |
| 55 | Mary A Gouchnour | 12 | Daughter | — | Pennsylvania |
| 56 | Margaret R Gouchnour | 11 | Daughter | — | Pennsylvania |
| 57 | John R Gouchnour | 6 | Son | — | Pennsylvania |
| 58 | Rebecca J Gouchnour | 2 | Daughter | — | Pennsylvania |
| 59 | Nelson H Boyd | 72 | Head | Clerk | Pennsylvania |
| 60 | Lucetta Boyd | 68 | Wife | — | Pennsylvania |
| 61 | Henry C Boyd | 39 | Son | Laborer | Pennsylvania |
| 62 | Elmira Dritchman | 74 | Sister in law | — | Pennsylvania |
| 63 | William S Lytle | 80 | Head | — | Pennsylvania |
| 64 | Amanda J Lytle | 69 | Wife | — | Pennsylvania |
| 65 | Sarah L Lytle | 49 | Daughter | Nurse | Pennsylvania |
| 66 | Harold L Lytle | 23 | Grandson | — | Pennsylvania |
| 67 | Louis D Mcchain | 32 | Head | Stock Dealer | Pennsylvania |
| 68 | Emma W Mcchain | 26 | Wife | — | Pennsylvania |
| 69 | Robert L Mcchain | 6 | Son | — | Pennsylvania |
| 70 | Donald W Mcchain | 4 | Son | — | Pennsylvania |
| 71 | Leroy Mcchain | 1 | Son | — | Pennsylvania |
| 72 | Elizabeth Quinn | 35 | Boarder | Clerk | Pennsylvania |
| 73 | Thomas J Clemens | 37 | Head | Telegrapher | Pennsylvania |
| 74 | Lulu M Clemens | 33 | Wife | — | Germany |
| 75 | John R Clemens | 12 | Son | — | Pennsylvania |
| 76 | Elizabeth D Clemens | 4 | Daughter | — | Pennsylvania |
| 77 | Frank H Finley | 48 | Head | Farmer | Pennsylvania |
| 78 | Mary Kiskaden | 63 | Housekeeper | Housekeeper | Pennsylvania |
| 79 | Margaret Cunningham | 58 | Head | — | Pennsylvania |
| 80 | Lester Cunningham | 56 | Son | Nurse | Pennsylvania |
| 81 | Ruth Cunningham | 10 | Daughter | — | Pennsylvania |
| 82 | John M Kerr | 64 | Head | Pumper | Pennsylvania |
| 83 | Lillian B Kerr | 52 | Wife | — | Pennsylvania |
| 84 | Robert M Kerr THIS PERSON | 19 | Son | — | Pennsylvania |
| 85 | Ethel E Kerr | 14 | Daughter | — | Pennsylvania |
| 86 | Frederick T Kerr | 34 | Head | Blacksmith | Pennsylvania |
| 87 | Lucy M Kerr | 27 | Wife | — | Germany |
| 88 | Lucile J Kerr | 4 | Daughter | — | Pennsylvania |
| 89 | Robert W Kerr | 1 | Son | — | Pennsylvania |
| 90 | Robert A Forsythe | 53 | Head | Livery Man | Pennsylvania |
| 91 | Roselene Forsythe | 49 | Wife | — | Pennsylvania |
| 92 | Gene H Forsythe | 18 | Daughter | — | Pennsylvania |
| 93 | Alfred Sessi | 36 | Head | Butcher | Italy |
| 94 | Helen A Sessi | 30 | Wife | — | Germany |
| 95 | Harvey A Sessi | 2 | Son | — | Pennsylvania |
| 96 | Walter A Sessi | 1 | Son | — | Pennsylvania |
| 97 | Jordan H Forsythe | 60 | Head | Stock Dealer | Pennsylvania |
| 98 | Ella Forsythe | 57 | Sister | Teacher | Pennsylvania |
| 99 | Charles G Forsythe | 51 | Brother | Horse Dealer | Pennsylvania |
| 100 | Elizabeth B Clarke | 62 | Housekeeper | Housekeeper | England |
Pedigree Summary
Robert + 1 sibling
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)