ML
Mary Larson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Larson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 6-person household.
Age 44
b. ~1876
Female
Spouse
Born: Sweden
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | sweden |
| Township / Ward | Summit Village |
| Est. Birth Year | ~1876 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harriet Larson | Daughter | — | 12 | ~1908 |
| Lars Larson | Head | — | 57 | ~1863 |
| Sanford Larson | Son | — | 24 | ~1896 |
| John Larson | Son | — | 19 | ~1901 |
| Harold Larson | Son | — | 17 | ~1903 |
| Mary Larson | Spouse | — | 44 | ~1876 |
Census Appearances
1900
Cook, Illinois
Spouse, age 25
Cook, Illinois · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Sweden |
| Birth Month | May |
| Birth Year | 1875 |
| Year of Immigration | 1895 |
| Naturalization Status | Alien |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 13 |
| Children Born | 1 |
| Children Living | 1 |
| Year of Immigration | 1895 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Cook, Illinois
Spouse, age 44
Cook, Illinois · implied b. ~1876 — 6 household members
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | sweden |
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 Mary Larson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Larson
Spouse · 1920 · age 44 · b. ~1876 · Illinois
★ 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 — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1985unit:0483)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ethel Holm | 28 | Wife | — | Minnesota |
| 52 | Muriel Holm | 4 | Daughter | — | Minnesota |
| 53 | Lars Larson | 57 | Head | Carpenter | Sweden |
| 54 | Mary Larson THIS PERSON | 44 | Wife | — | Sweden |
| 55 | Sanford Larson | 24 | Son | Machinist | Minnesota |
| 56 | John Larson | 19 | Son | Tinner | Minnesota |
| 57 | Harold Larson | 17 | Son | Clerk | Minnesota |
| 58 | Harriet Larson | 12 | Daughter | — | Minnesota |
| 59 | Andrew Nordstrom | 42 | Head | Carpenter | Sweden |
| 60 | Elizabeth Nordstrom | 37 | Wife | — | Sweden |
| 61 | Lillian Nordstrom | 8 | Daughter | — | Minnesota |
| 62 | Joseph Smilan | 25 | Head | Operator | Wisconsin |
| 63 | Ruth Smilan | 22 | Wife | — | Maine |
| 64 | Joseph T. Smilan | 0 | Son | — | Minnesota |
| 65 | Bena Bergquist | 73 | Head | — | Sweden |
| 66 | Swan Bergquist | 43 | Son | Baker | Sweden |
| 67 | Charles Bergquist | 43 | Son | Candy Co | Sweden |
| 68 | Ellen Anderson | 23 | Servant | Housework | Sweden |
| 69 | John H. Ellis | 32 | Head | Engineer | Minnesota |
| 70 | Diana Ellis | 28 | Wife | — | Michigan |
| 71 | Mary E. Ellis | 1 | Daughter | — | Minnesota |
| 72 | Katherine Ellis | 0 | Daughter | — | Minnesota |
| 73 | Thomas Dignon | 56 | Head | Laborer | Ireland |
| 74 | Katherine Dignon | 37 | Wife | — | Switzerland |
| 75 | Katherine Leid | 18 | Step-dau | Tinner | Minnesota |
| 76 | John Olson | 52 | Head | Laborer | Norway |
| 77 | Josephine Olson | 53 | Wife | — | Norway |
| 78 | Frank G. Rockwell | 27 | Head | — | New York |
| 79 | Mattie Rockwell | 55 | Wife | — | Wisconsin |
| 80 | Edith Rockwell | 38 | Daughter | — | Michigan |
| 81 | Eva Rockwell | 37 | Daughter | Bookkeeper | Michigan |
| 82 | May Rockwell | 33 | Daughter | — | Michigan |
| 83 | Myron Rockwell | 21 | Son | — | Michigan |
| 84 | Edna Rockwell | 13 | Daughter | — | Michigan |
| 85 | Olas Setter | 34 | Head | — | Norway |
| 86 | Ina Setter | 45 | Wife | — | Norway |
| 87 | John Setter | 18 | Son | — | Minnesota |
| 88 | Mabel Setter | 17 | Daughter | — | Minnesota |
| 89 | Melvin Setter | 10 | Son | — | Minnesota |
| 90 | Lloyd Setter | 7 | Son | — | Minnesota |
| 91 | Hazel Setter | 5 | Daughter | — | Minnesota |
| 92 | George Lund | 37 | Head | — | Illinois |
| 93 | Mabel Lund | 37 | Wife | — | Illinois |
| 94 | George Lund | 6 | Son | — | Illinois |
| 95 | Kenneth Lund | 5 | Son | — | Illinois |
| 96 | Robert Lund | 3 | Daughter | — | Illinois |
| 97 | Robert Lund | 1 | Son | — | Illinois |
| 98 | Oscar Hoglund | 52 | Head | — | Norway |
| 99 | Hilda Hoglund | 42 | Wife | — | Illinois |
| 100 | Harold Hoglund | 17 | Son | — | 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)