RA
Robert Armstrong — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this Robert Armstrong across the 1900, 1910 and 1920 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed), with identified parents Sandford & Sanford — first a head (b.~1895), then head of a 3-person household.
Age 25
b. ~1895
Male
Head
Born: Ohio
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cuyahoga, Ohio |
| Surname | Armstrong |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Structural Eng. |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Structural Eng. |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mildred Armstrong | Daughter | — | ~1920 | |
| Robert Armstrong | Head | — | 25 | ~1895 |
| Lillian Armstrong | Spouse | — | 21 | ~1899 |
Census Appearances
1900
Cuyahoga, Ohio
Son, age 6
Cuyahoga, Ohio · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Birth Month | March |
| Birth Year | 1894 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Cuyahoga, Ohio
Son, age 15
Cuyahoga, Ohio · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cuyahoga, Ohio
Head, age 25
Cuyahoga, Ohio · implied b. ~1895 — 3 household members
| Surname | Armstrong |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Structural Eng. |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 Robert Armstrong across 3 US Census years (1900, 1910 and 1920) in Cuyahoga, Ohio, using XGBoost record linkage. Identified parents: father Sandford Armstrong (~0.92 confidence) and father Sanford Armstrong (~0.92 confidence) and mother Nora Armstrong (~0.92 confidence) and mother Mary Armstrong (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sandford Armstrong
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Sanford Armstrong
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Nora Armstrong
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Mary Armstrong
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Armstrong
Head · 1920 · age 25 · b. ~1895 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cuyahoga, Ohio
Open full size
1920 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1371unit:0666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gertrude Roth | 0 | Daughter | None | Ohio |
| 52 | Margaret Roth | 0 | Daughter | None | Ohio |
| 53 | Sylvester Keely | 38 | Head | Salesman | Pennsylvania |
| 54 | Emma Keely | 30 | Wife | Merchant | Sweden |
| 55 | Thomas Keely | 14 | Son | None | Pennsylvania |
| 56 | Sylvester Keely | 10 | Son | None | Pennsylvania |
| 57 | Edwin Teering | 49 | Head | Salesman | Ohio |
| 58 | Julia Teering | 47 | Wife | None | Germany |
| 59 | Charles Gerlach | 55 | Head | Engineer | Ohio |
| 60 | Mary Gerlach | 55 | Wife | None | Ohio |
| 61 | Carl H. Gerlach | 24 | Son | Stenographer | Ohio |
| 62 | Clarence Gerlach | 21 | Son | Auto Repairman | Ohio |
| 63 | Chester Johnson | 24 | Head | Painter | Ohio |
| 64 | Bessie Johnson | 21 | Wife | None | Ohio |
| 65 | Lowell Johnson | 6 | Son | None | Ohio |
| 66 | Reba Johnson | 4 | Daughter | None | Ohio |
| 67 | Eldon Johnson | 1 | Son | None | Ohio |
| 68 | Robert Armstrong THIS PERSON | 25 | Head | Structural Eng. | Ohio |
| 69 | Lillian Armstrong | 21 | Wife | None | Ohio |
| 70 | Mildred Armstrong | 0 | Daughter | None | Ohio |
| 71 | Bernard S. Werner | 55 | Head | Foreman | Pennsylvania |
| 72 | Mary J. Werner | 56 | Wife | None | Ireland |
| 73 | Edward M. Werner | 33 | Son | Superintendent | Ohio |
| 74 | Gust Warther | 34 | Head | Truck Driver | Alsace |
| 75 | Norma Warther | 27 | Wife | None | Ohio |
| 76 | Mary J. Warther | 7 | Daughter | None | Ohio |
| 77 | Charles E. Penny | 32 | Head | Salesman | Ohio |
| 78 | Agnes J. Penny | 30 | Wife | None | Ohio |
| 79 | Charles W. Penny | 6 | Son | None | Ohio |
| 80 | Catherine Penny | 3 | Daughter | None | Ohio |
| 81 | Joseph Herdan | 37 | Head | Molder | Pennsylvania |
| 82 | Mary Herdan | 28 | Wife | None | Indiana |
| 83 | Erna Herdan | 7 | Daughter | None | Pennsylvania |
| 84 | Robert Herdan | 5 | Son | None | Pennsylvania |
| 85 | John Stanchis | 32 | Head | Machinist | Lithuania |
| 86 | Mary Stanchis | 26 | Wife | None | Lithuania |
| 87 | Stella Stanchis | 1 | Daughter | None | Ohio |
| 88 | Joe Korach | 34 | Head | Laborer | Lithuania |
| 89 | Nellie Korach | 29 | Wife | Laborer | Lithuania |
| 90 | Joe Bener | 26 | Head | Molder | Lithuania |
| 91 | Marie Bener | 26 | Wife | None | Lithuania |
| 92 | Anna Bener | 2 | Daughter | None | Ohio |
| 93 | Vincent Kukus | 34 | Boarder | Worker | Lithuania |
| 94 | Anna Kukus | 27 | Boarder | None | Lithuania |
| 95 | Frank Lehman | 30 | Head | Baker | Lithuania |
| 96 | Mary Lehman | 27 | Wife | None | Lithuania |
| 97 | John Lehman | 5 | Son | None | Ohio |
| 98 | Alex Shinsky | 30 | Boarder | Blacksmith | Lithuania |
| 99 | Melvin Irwin | 53 | Head | Tailor | Ireland |
| 100 | Kate Irwin | 54 | Wife | None | Ireland |
Pedigree Summary
Robert
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)