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Mary Larsen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Mary Larsen across the 1920 and 1930 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 9-person household.
Age 7
b. ~1913
Female
Daughter
Born: Utah
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Salt Lake, Utah |
| Surname | Larsen |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1913 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eva Larsen | Spouse | — | 39 | ~1881 |
| Hilda Alson | Other | — | 63 | ~1857 |
| Edith Larsen | Daughter | — | 10 | ~1910 |
| Alice Larsen | Daughter | — | 17 | ~1903 |
| Mary Larsen | Daughter | — | 7 | ~1913 |
| Vivian Larsen | Daughter | — | 11 | ~1909 |
| Leonard Larsen | Son | — | 12 | ~1908 |
| Axel Larsen | Head | — | 64 | ~1856 |
| Hilda Larsen | Daughter | — | 14 | ~1906 |
Census Appearances
1920
Salt Lake, …
Daughter, age 7
Salt Lake, Utah · implied b. ~1913 — 9 household members
| Surname | Larsen |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 17
Salt Lake, Utah · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Marion B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Larsen across 2 US Census years (1920 and 1930) in Salt Lake, Utah, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Larsen
Daughter · 1920 · age 7 · b. ~1913 · Utah
★ You are viewing this record
Sibling
Alice Larsen
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Larsen
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Larsen
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Larsen
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Larsen
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Salt Lake, Utah
Open full size
1920 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1866unit:0417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas L. Fowler | 16 | Son | — | Utah |
| 52 | Ada M. Wiegert | 44 | Housekeeper | Housekeeper | New York |
| 53 | Francis E. Fowler | 60 | Head | Miner | Scotland |
| 54 | Joseph G. Fowler | 21 | Son | Miner | Utah |
| 55 | John H. Fowler | 18 | Son | Laborer | Utah |
| 56 | Isabel H. Fowler | 15 | Daughter | None | Utah |
| 57 | Anna Muchie | 78 | Head | None | Scotland |
| 58 | Thomas Muchie | 52 | Son | Miner | Scotland |
| 59 | Francis Cundick | 76 | Head | None | England |
| 60 | Sarah A. Cundick | 70 | Wife | None | England |
| 61 | John Moore | 73 | Head | Laborer | England |
| 62 | John J. Williams | 64 | Head | Gardener | England |
| 63 | Martha J. Williams | 69 | Wife | None | England |
| 64 | John Sterling | 60 | Boarder | Laborer | Scotland |
| 65 | Malcolm F. Hunter | 46 | Tenant | Laborer | Scotland |
| 66 | Henry W. Wilkes | 55 | Head | Machinist | England |
| 67 | Hannah Wilkes | 60 | Wife | None | England |
| 68 | Albert J. Hanson | 40 | Head | Laborer | Utah |
| 69 | Louie E. Hanson | 37 | Wife | None | Utah |
| 70 | Ruth L. Hanson | 0 | Daughter | None | Utah |
| 71 | Leslie R. Hanson | 36 | Brother | Laborer | Utah |
| 72 | Axel F. Larsen | 64 | Head | Janitor | Sweden |
| 73 | Eva C. Larsen | 39 | Wife | None | Sweden |
| 74 | Alice F. Larsen | 17 | Daughter | Servant | Utah |
| 75 | Hilda E. Larsen | 14 | Daughter | None | Utah |
| 76 | Leonard F. Larsen | 12 | Son | None | Utah |
| 77 | Vivian E. Larsen | 11 | Daughter | None | Utah |
| 78 | Edith E. Larsen | 10 | Daughter | None | Utah |
| 79 | Mary V. Larsen THIS PERSON | 7 | Daughter | None | Utah |
| 80 | Hilda Alson | 63 | Boarder | Operator | Sweden |
| 81 | Harry Vileet | 60 | Head | Janitor | Poland |
| 82 | Wilmina Vileet | 30 | Daughter | None | Poland |
| 83 | Adiridor Garrison | 34 | Boarder | Butcher | Poland |
| 84 | John W. Williamson | 39 | Head | Salesman | Utah |
| 85 | Lavana C. Williamson | 38 | Wife | None | Arizona |
| 86 | Pauline F. Williamson | 18 | Daughter | None | Utah |
| 87 | Wesley J. Williamson | 17 | Son | None | Utah |
| 88 | Gladys Y. Williamson | 15 | Son | None | Utah |
| 89 | Donna V. Williamson | 12 | Daughter | None | Utah |
| 90 | Arthur W. Clark | 26 | Head | Labor | Utah |
| 91 | Janet Clark | 26 | Wife | None | Utah |
| 92 | Dorothy Clark | 3 | Daughter | None | Utah |
| 93 | Arthur L. Clark | 1 | Son | None | Utah |
| 94 | Marion S. Beet | 29 | Head | Chauffer | Missouri |
| 95 | Marie J. Beet | 30 | Wife | None | Denmark |
| 96 | Bernice L. Beet | 7 | Daughter | None | Utah |
| 97 | James P. Rasmusson | 36 | Head | Laborer | Utah |
| 98 | Stella L. Rasmusson | 32 | Wife | None | Colorado |
| 99 | Lynn J. Rasmusson | 12 | Son | None | Colorado |
| 100 | Mildred Rasmusson | 5 | Daughter | None | Utah |
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)