RM
Robert Mccormick — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Adams, Illinois
Our Model Tree links this Robert Mccormick across the 1920, 1930 and 1940 US Censuses in Adams, Illinois (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 7-person household.
Age 53
b. ~1867
Male
Head
Born: Indiana
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Adams, Illinois |
| Surname | McCormick |
| Given Name | Robert L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | United States |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cemetery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Laborer |
| Township / Ward | City Of Quincy |
| Est. Birth Year | ~1867 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Ella Mccormick | Spouse | — | 51 | ~1869 |
| Robert Mccormick | Head | — | 53 | ~1867 |
| Ernest Sandefur | Other | — | 45 | ~1875 |
| Myrtle Sandefur | Daughter | — | 24 | ~1896 |
| Carl Mccormick | Son | — | 16 | ~1904 |
| Milton Storke | Other | — | 16 | ~1904 |
| Clarence Mccormick | Son | — | 19 | ~1901 |
Census Appearances
1920
Adams, Illinois
Head, age 53
Adams, Illinois · implied b. ~1867 — 7 household members
| Surname | McCormick |
| Given Name | Robert L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | United States |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Cemetery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Adams, Illinois
Other, age 63
Adams, Illinois · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Robert W. |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Age at First Marriage | 37 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Laborer |
| Industry | Plumbing Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Adams-County, Illinois
Other, age 74
Adams-County, Illinois · implied b. ~1866 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Robert |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Quincy |
| 1935 Residence (County) | Adams |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mccormick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Mccormick
Head · 1920 · age 53 · b. ~1867 · 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 — Adams, Illinois
Open full size
1920 US Federal Census — Adams, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu296unit:0690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel H Laughlin | 17 | Daughter | Sales Lady | Illinois |
| 2 | Helen H Laughlin | 16 | Daughter | Sales Lady | Illinois |
| 3 | Cecil Ader | 27 | Boarder | Shoe Maker | Michigan |
| 4 | Ellis Bouleware | 43 | Boarder | Machinist | Illinois |
| 5 | William Sullivan | 32 | Boarder | Plumber | Illinois |
| 6 | Gary Blair | 20 | Boarder | Painter | Illinois |
| 7 | John Shields | 45 | Boarder | Machinist | Illinois |
| 8 | Clarence Wesenburger | 23 | Boarder | Laborer | Illinois |
| 9 | Luke Dunn | 18 | Servant | Servant | Illinois |
| 10 | Robert L Mccormick THIS PERSON | 53 | Head | Laborer | Indiana |
| 11 | Ella M Mccormick | 51 | Wife | Seamstress | Missouri |
| 12 | Clarence E Mccormick | 19 | Son | Shoe Factory | Illinois |
| 13 | Carl E Mccormick | 16 | Son | Shoe Factory | Illinois |
| 14 | Ernest D Sandefur | 45 | Son-in-law | Machinist | Kentucky |
| 15 | Myrtle M Sandefur | 24 | Daughter | Laundress | Illinois |
| 16 | Milton Storke | 16 | Boarder | Shoe Factory | Illinois |
| 17 | Frances L Slater | 53 | Head | Nurse | Illinois |
| 18 | Jacob L Hughes | 87 | Father | Broom Maker | Illinois |
| 19 | Archibald H Williams | 34 | Son | Moulder | Iowa |
| 20 | John Logan | 59 | Boarder | Wood Dealer | Illinois |
| 21 | John Klinck | 42 | Head | Teamster | Iowa |
| 22 | Mary A Klinck | 43 | Wife | — | Illinois |
| 23 | George W Roberts | 74 | Boarder | — | Kentucky |
| 24 | Sterling S Mcelwee | 56 | Head | Keeper | Missouri |
| 25 | Ida B Mcelwee | 57 | Wife | — | Ohio |
| 26 | William H Edwards | 28 | Head | Machinist | Missouri |
| 27 | Hazel Edwards | 27 | Wife | — | Missouri |
| 28 | W Blow | 48 | Head | Laborer | United States |
| 29 | Hannah B Blow | 70 | Wife | Boat Builder | Missouri |
| 30 | Jason Atkins | 57 | Head | Machinist | Missouri |
| 31 | Hannah A Atkins | 39 | Wife | Seamstress | Virginia |
| 32 | James Edwards | 39 | Head | Wood Cutter | Missouri |
| 33 | Frank E Mclean | 43 | Head | Engineer | Illinois |
| 34 | Lula Smith | 33 | Head | Box Maker | Illinois |
| 35 | George Wheeler | 76 | Head | — | Illinois |
| 36 | Elizabeth Richard | 63 | Housekeeper | Housekeeper | Missouri |
| 37 | Andrew A Sletten | 35 | Head | Switchman | California |
| 38 | Alice S Sletten | 42 | Wife | — | Missouri |
| 39 | Grace M Derls | 28 | Daughter | Chamber Maid | Missouri |
| 40 | Walter C Derls | 15 | Grandson | At School | Illinois |
| 41 | Joseph Guth | 72 | Head | Keeper | Illinois |
| 42 | Anna Guth | 60 | Wife | — | Illinois |
| 43 | Orville E Cox | 22 | Lodger | Moulder | Missouri |
| 44 | John J Scully | 59 | Head | Foreman | Illinois |
| 45 | Walter J Guth | 30 | Head | Garage Keeper | Illinois |
| 46 | Mildred Guth | 20 | Wife | — | Illinois |
| 47 | Nolan Guth | 5 | Son | — | Illinois |
| 48 | Walter Jr Guth | 2 | Son | — | Illinois |
| 49 | Joseph Guth | 23 | Lodger | Teamster | Illinois |
| 50 | William Guth | 49 | Lodger | Cabinet Maker | Illinois |
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)