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John Olsen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Olsen across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 4-person household.
Age 40
b. ~1880
Male
Head
Born: Norway
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Olsen |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Clerk |
| Est. Birth Year | ~1880 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Ellen Olsen | Spouse | — | 41 | ~1879 |
| Howard Olsen | Son | — | 10 | ~1910 |
| William Olsen | Son | — | 11 | ~1909 |
| John Olsen | Head | — | 40 | ~1880 |
Census Appearances
1910
Cook, Illinois
Head, age 31
Cook, Illinois · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 3 |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Mineral Water Co. |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Cook, Illinois
Head, age 40
Cook, Illinois · implied b. ~1880 — 4 household members
| Surname | Olsen |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
Head, age 51
Cook, Illinois · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 28 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Clerk |
| Industry | County office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Home Value / Rent | 60.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 John Olsen across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
John Olsen
Head · 1920 · age 40 · b. ~1880 · 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 — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu338unit:0870)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Guldstad | 37 | Wife | — | Norway |
| 52 | Harry Guldstad | 16 | Son | — | Illinois |
| 53 | Katherine Guldstad | 9 | Daughter | — | Illinois |
| 54 | Richard Guldstad | 6 | Son | — | Illinois |
| 55 | Inga B. Hjorth | 67 | Mother | — | Norway |
| 56 | Frank E. Vandervort | 46 | Head | Cashier | Illinois |
| 57 | Edith G. Vandervort | 47 | Wife | — | Indiana |
| 58 | Martha Vandervort | 11 | Daughter | — | Illinois |
| 59 | Annette Vandervort | 82 | Mother | — | New York |
| 60 | Charles H. Johnson | 32 | Head | Clerk | Illinois |
| 61 | Estelle Johnson | 25 | Wife | — | Illinois |
| 62 | Charles Johnson | 3 | Son | — | Illinois |
| 63 | Phyllis Johnson | 1 | Daughter | — | Illinois |
| 64 | John B. Olsen THIS PERSON | 40 | Head | Clerk | Norway |
| 65 | Ellen C. Olsen | 41 | Wife | — | Illinois |
| 66 | William Olsen | 11 | Son | — | Illinois |
| 67 | Howard Olsen | 10 | Son | — | Illinois |
| 68 | Morris Nelson | 53 | Head | — | Norway |
| 69 | Augusta Nelson | 51 | Wife | — | Norway |
| 70 | Arthur Nelson | 25 | Son | — | Illinois |
| 71 | Carl A. Nelson | 24 | Son | — | Illinois |
| 72 | Alice L. Nelson | 21 | Daughter | Stenog. | Illinois |
| 73 | William Lindman | 36 | Head | Butcher | Illinois |
| 74 | Minnie Lindman | 31 | Wife | — | Illinois |
| 75 | Lucile A. Lindman | 8 | Daughter | — | Illinois |
| 76 | Martha M. Lindman | 6 | Daughter | — | Illinois |
| 77 | Edward Vance | 27 | Head | Clerk | Illinois |
| 78 | Olive Vance | 27 | Wife | — | Illinois |
| 79 | June Vance | 1 | Daughter | — | Illinois |
| 80 | August Rousseau | 72 | Head | — | France |
| 81 | Emma Rousseau | 71 | Wife | — | Illinois |
| 82 | Irene Behenne | 28 | Daughter | Stenog. | Illinois |
| 83 | Lee Behenne | 4 | Boarder | — | Illinois |
| 84 | John F. Casper | 50 | Head | Electrician | Germany |
| 85 | Caroline Casper | 48 | Wife | — | Illinois |
| 86 | John W. Casper | 25 | Son | Clerk | Illinois |
| 87 | Harold Casper | 22 | Son | Draftsman | Illinois |
| 88 | Mary M. Casper | 11 | Daughter | — | Illinois |
| 89 | John Andre | 38 | Head | Machinist | Illinois |
| 90 | Anna M. Andre | 33 | Wife | — | Illinois |
| 91 | Edna M. Andre | 7 | Daughter | — | Illinois |
| 92 | John W. Andre | 5 | Son | — | Illinois |
| 93 | Raymond A. Andre | 3 | Son | — | Illinois |
| 94 | Sam W. Cushman | 73 | Boarder | Manager | Vermont |
| 95 | Fred G. Bertsch | 36 | Head | Proprietor | Germany |
| 96 | Sophie O. Bertsch | 36 | Wife | — | Germany |
| 97 | Theodore Bertsch | 8 | Son | — | Illinois |
| 98 | Robert Bertsch | 6 | Son | — | Illinois |
| 99 | Byron B. Clausman | 35 | Head | Traveling Salesman | Maryland |
| 100 | Hermina Clausman | 32 | Wife | — | Illinois |
Related Census Records
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)