JL
John Larsen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Salt Lake, Utah
Our Model Tree links this John Larsen across the 1920 and 1930 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 8-person household.
Age 48
b. ~1882
Male
Head
Born: Utah
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Salt Lake, Utah |
| Surname | Larsen |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Gravel tester |
| Industry | State Roads |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Gravel Tester |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1882 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Harlan Larsen | Son | — | 10 | ~1920 |
| Donna Larsen | Daughter | — | 15 | ~1915 |
| Elinor Larsen | Other | — | 46 | ~1884 |
| Lynn Larsen | Son | — | 4 | ~1926 |
| Florence Larsen | Daughter | — | 19 | ~1911 |
| Dorothy Larsen | Daughter | — | 13 | ~1917 |
| Russell Larsen | Son | — | 17 | ~1913 |
| John Larsen | Head | — | 48 | ~1882 |
Census Appearances
1920
Salt Lake, …
Head, age 36
Salt Lake, Utah · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Utah |
| Father's Birthplace | Denmark |
| Mother's Birthplace | California |
| Occupation | Laborer |
| Industry | Road Commission |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Head, age 48
Salt Lake, Utah · implied b. ~1882 — 8 household members
| Surname | Larsen |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | California |
| Occupation | Gravel tester |
| Industry | State Roads |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| 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 John Larsen across 2 US Census years (1920 and 1930) in Salt Lake, Utah, using XGBoost record linkage.
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This person
Anchor record
John Larsen
Head · 1930 · age 48 · b. ~1882 · Utah
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Salt Lake, Utah
Open full size
1930 US Federal Census — Salt Lake, Utah
Page Contents
19 people indexed on this census page (ia:1930:15thcensus2421unit:0340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Larsen THIS PERSON | 48 | Head | Gravel Tester | Utah |
| 2 | Elinor Larsen | 46 | Wife-H | — | Utah |
| 3 | Florence Larsen | 19 | Daughter | Clerk | California |
| 4 | Russell Larsen | 17 | Son | — | California |
| 5 | Donna Larsen | 15 | Daughter | — | Utah |
| 6 | Dorothy Larsen | 13 | Daughter | — | Utah |
| 7 | Harlan Larsen | 10 | Son | — | Utah |
| 8 | Lynn Larsen | 4 | Son | — | Utah |
| 9 | Alexander Bouch | 68 | Head | — | Utah |
| 10 | Elizabeth Bouch | 67 | Wife-H | — | England |
| 11 | Ruth B. Phillips | 35 | Daughter | Stenographer | Utah |
| 12 | Robert H. Phillips | 11 | Grandson | — | Missouri |
| 13 | Alexander Phillips | 9 | Grandson | — | Utah |
| 14 | Veda M. Duke | 6 | Granddaughter | — | Utah |
| 15 | Agnes Huntington | 75 | Head | — | England |
| 16 | Harry C. Genger | 42 | Head | Metal Worker | Utah |
| 17 | Della P. Genger | 37 | Wife-H | — | Utah |
| 18 | Elva Genger | 20 | Daughter | Stenographer | Utah |
| 19 | Virginia Genger | 11 | Daughter | — | Utah |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)