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Mary Larson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Rock Island, Illinois
Our Model Tree links this Mary Larson across the 1900, 1910 and 1920 US Censuses in Rock Island, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1857), then head of a 7-person household.
Age 63
b. ~1857
Female
Spouse
Born: Sweden
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Rock Island, Illinois |
| Surname | Larson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1870 |
| 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 | 1879 |
| Birthplace (normalized) | sweden |
| Township / Ward | Moline City |
| Est. Birth Year | ~1857 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Larson | Daughter | — | 27 | ~1893 |
| August Larson | Head | — | 71 | ~1849 |
| Arvid Antonson | Other | — | 22 | ~1898 |
| Lodger John | Other | — | 24 | ~1896 |
| Carl Larson | Son | — | 40 | ~1880 |
| Warren Larson | Son | — | 32 | ~1888 |
| Mary Larson | Spouse | — | 63 | ~1857 |
Census Appearances
1900
Rock Island, …
Spouse, age 42
Rock Island, Illinois · implied b. ~1858 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Birth Month | Feb |
| Birth Year | 1858 |
| Year of Immigration | 1875 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Rock Island, …
Spouse, age 54
Rock Island, Illinois · implied b. ~1856 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 31 |
| Children Born | 4 |
| Children Living | 4 |
| Year of Immigration | 1870 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Rock Island, …
Spouse, age 63
Rock Island, Illinois · implied b. ~1857 — 7 household members
| Surname | Larson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1870 |
| 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 | 1879 |
| 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 Rock Island, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Larson
Spouse · 1920 · age 63 · b. ~1857 · 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 — Rock Island, Illinois
Open full size
1920 US Federal Census — Rock Island, Illinois
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu401unit:1103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Son Harold | 29 | Son | Assistant Cashier | Illinois |
| 2 | Roland Simpson | 25 | Lodger | Electrician | Illinois |
| 3 | Oscar E. Johnson | 62 | Head | Benchwork | Sweden |
| 4 | Fredrecka Johnson | 49 | Wife | — | Sweden |
| 5 | Bertha C. Johnson | 29 | Daughter | — | Illinois |
| 6 | James H. Johnson | 28 | Son | Bench Work | Illinois |
| 7 | Melvin F. Johnson | 24 | Son | Bench Work | Illinois |
| 8 | Arthur T. Johnson | 16 | Son | Helper | Illinois |
| 9 | Alice M. Johnson | 14 | Daughter | — | Illinois |
| 10 | Evelyn Johnson | 10 | Daughter | — | Illinois |
| 11 | August Larson | 71 | Head | Bookkeeper | Sweden |
| 12 | Mary E. Larson THIS PERSON | 63 | Wife | — | Sweden |
| 13 | Carl Larson | 40 | Son | Clerk | Illinois |
| 14 | Warren C. Larson | 32 | Son | Electrician | Illinois |
| 15 | Frances C. Larson | 27 | Daughter | Stenographer | Illinois |
| 16 | Arvid Antonson | 22 | Lodger | Machinist | Sweden |
| 17 | Lodger John | 24 | Lodger | Machinist | Sweden |
| 18 | Frank A. Johnson | 64 | Head | — | Sweden |
| 19 | Nellie Johnson | 62 | Wife | — | Sweden |
| 20 | Elvira A. Johnson | 28 | Daughter | Saleslady | Illinois |
| 21 | Mildred A. Johnson | 28 | Daughter | — | Illinois |
| 22 | Paul P. Guchert | 33 | Head | Overseer | Illinois |
| 23 | Emma Guchert | 32 | Wife | — | Iowa |
| 24 | Edna G. Guchert | 28 | Daughter | Bookkeeper | Illinois |
| 25 | Galo D. Guchert | 20 | Daughter | Stenographer | Illinois |
| 26 | Donald P. Guchert | 14 | Son | — | Illinois |
| 27 | Ernest Herren | 25 | Lodger | Stenographer | Illinois |
| 28 | Charles G. Carlson | 48 | Head | — | Sweden |
| 29 | Genevieve Carlson | 41 | Wife | Stenographer | Illinois |
| 30 | Mary L. Wilmossing | 70 | Head | — | Iowa |
| 31 | Gertrude Theresa Wilmossing | 55 | Sister | Saleslady | Iowa |
| 32 | Paul S. Young | 36 | Head | Foreman | Illinois |
| 33 | Irene A. Young | 32 | Wife | — | Iowa |
| 34 | Paul G. Young | 12 | Son | — | Illinois |
| 35 | Jane A. Young | 7 | Daughter | — | Illinois |
| 36 | Ursula E. Young | 3 | Daughter | — | Illinois |
| 37 | Bror S. Holmgren | 41 | Lodger | — | Sweden |
| 38 | William Buckholts | 23 | Head | Core Maker | Illinois |
| 39 | Tessa M. Buckholts | 20 | Wife | — | Indiana |
| 40 | Virginia Buckholts | 1 | Daughter | — | Illinois |
| 41 | Ira Glager | 21 | Head | Core Maker | Illinois |
| 42 | Helen Glager | 20 | Wife | — | Illinois |
| 43 | John Nelson | 65 | Head | Blacksmith | Sweden |
| 44 | Jennie A. Nelson | 55 | Wife | — | Sweden |
| 45 | Edwin J. Nelson | 20 | Son | Salesman | Illinois |
| 46 | Doris C. Nelson | 17 | Daughter | — | Illinois |
| 47 | George D. Stanson | 46 | Head | Boiler Maker | Nebraska |
| 48 | Alice E. Stanson | 41 | Wife | — | Nebraska |
| 49 | Susan L. Stanson | 12 | Daughter | — | Nebraska |
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)