RA
Robert Armstrong — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Champaign, Illinois
Our Model Tree links this Robert Armstrong across the 1900, 1910 and 1920 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 3-person household.
Age 54
b. ~1866
Male
Head
Born: Ohio
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Champaign, Illinois |
| Surname | Armstrong |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Champaign City |
| Est. Birth Year | ~1866 |
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 |
|---|---|---|---|---|
| Robert Armstrong | Head | — | 54 | ~1866 |
| John Armstrong | Son | — | 23 | ~1897 |
| Lydia Armstrong | Spouse | — | 51 | ~1869 |
Census Appearances
1900
Champaign, Illinois
Head, age 35
Champaign, Illinois · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| Birth Month | Feb |
| Birth Year | 1865 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Capitalist |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Champaign, Illinois
Head, age 43
Champaign, Illinois · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 20 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Own Income |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Champaign, Illinois
Head, age 54
Champaign, Illinois · implied b. ~1866 — 3 household members
| Surname | Armstrong |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 Champaign, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Armstrong
Head · 1920 · age 54 · b. ~1866 · Illinois
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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 — Champaign, Illinois
Open full size
1920 US Federal Census — Champaign, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu298unit:0189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Phoebe J | 3 | Daughter | — | Illinois |
| 52 | Fred E Bennett | 58 | Head | Land Lady | Illinois |
| 53 | Mabel G Bennett | 16 | Daughter | — | Illinois |
| 54 | Charles A Price | 57 | Head | Agent | Ohio |
| 55 | Henrietta C Price | 50 | Wife | Landlady | Illinois |
| 56 | Ruth E Price | 25 | Daughter | Teacher | Illinois |
| 57 | Gertrude A Price | 20 | Daughter | Assistant | Illinois |
| 58 | Ione E Price | 18 | Daughter | Collector | Illinois |
| 59 | James H Price | 14 | Son | — | Illinois |
| 60 | Charles A Jr Price | 8 | Son | — | Illinois |
| 61 | William H Stedman | 79 | Head | Retired | Pennsylvania |
| 62 | Belle R Stedman | 68 | Wife | — | Missouri |
| 63 | Annie E Morris | 81 | Head | — | Illinois |
| 64 | Nellie E Morris | 45 | Daughter | — | Illinois |
| 65 | Alice M Blutter | 65 | Daughter | — | Illinois |
| 66 | Carolyn M Blutter | 26 | Grand Daughter | Teacher | Illinois |
| 67 | Robert M Armstrong THIS PERSON | 54 | Head | — | Ohio |
| 68 | Lydia Armstrong | 51 | Wife | — | Indiana |
| 69 | John H Armstrong | 23 | Son | — | Ohio |
| 70 | Elmer L Lowre | 64 | Head | — | Indiana |
| 71 | Eunice P Lowre | 44 | Daughter | — | Illinois |
| 72 | Charles R Howe | 56 | Head | — | Illinois |
| 73 | Sadie A Howe | 54 | Wife | — | Ohio |
| 74 | Mary M Howe | 19 | Daughter | — | Illinois |
| 75 | Flora A Koffly | 57 | Head | Landlady | Illinois |
| 76 | Abigail M Powell | 58 | Head | Land Lady | Illinois |
| 77 | Lewis S Nough | 52 | Head | — | Ohio |
| 78 | Anna C Nough | 45 | Wife | — | Illinois |
| 79 | Ernest B Nough | 25 | Son | — | Illinois |
| 80 | Edith M Nough | 21 | Daughter | Music Teacher | Illinois |
| 81 | Sarah L Moore | 28 | Head | Cook | Kentucky |
| 82 | Emma Starks | 26 | Sister | House Keeper | Kentucky |
| 83 | Lorence Starks | 14 | Nephew | Helper | Kentucky |
| 84 | Marie Biederman | 41 | Head | Cook | Illinois |
| 85 | Margaret Casserly | 62 | Head | — | Illinois |
| 86 | Nellie B Casserly | 28 | Son | Teacher | Illinois |
| 87 | George K Grubbs | 37 | Head | Photographer | Illinois |
| 88 | Mabel L Grubbs | 27 | Wife | — | Illinois |
| 89 | George R Grubbs | 12 | Son | — | Illinois |
| 90 | Earl F Grubbs | 11 | Son | — | Illinois |
| 91 | Gordon L Grubbs | 6 | Son | — | Illinois |
| 92 | Robert F Grubbs | 3 | Son | — | Illinois |
| 93 | George W Kammerer | 50 | Head | Manager | Pennsylvania |
| 94 | Caroline C Kammerer | 49 | Wife | — | Illinois |
| 95 | Edward C Kammerer | 13 | Son | — | Illinois |
| 96 | Robert C Kammerer | 9 | Son | — | Illinois |
| 97 | Josephine Seymour | 65 | Head | — | New York |
| 98 | Louis J Seymour | 36 | Son | Salesman | Connecticut |
| 99 | Justus W Folsom | 46 | Roomer | Professor | Massachusetts |
| 100 | Margaret L Van Meter | 77 | Head | — | Ohio |
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)