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 son (b.~1908), then head of a 7-person household.
Age 22
b. ~1908
Male
Son
Born: Utah
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Salt Lake, Utah |
| Surname | Larsen |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Additional Details | |
| Occupation | Printer |
| Industry | Press-Daily |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Printer |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sarah Larsen | Other | — | 48 | ~1882 |
| Harold Larsen | Son | — | 11 | ~1919 |
| John Larsen | Son | — | 22 | ~1908 |
| Gertrude Larsen | Daughter | — | 25 | ~1905 |
| Glen Larsen | Son | — | 18 | ~1912 |
| Lucile Larsen | Daughter | — | 14 | ~1916 |
| John Larsen | Head | — | 51 | ~1879 |
Census Appearances
1920
Salt Lake, …
Son, age 11
Salt Lake, Utah · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | John L. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 22
Salt Lake, Utah · implied b. ~1908 — 7 household members
| Surname | Larsen |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Printer |
| Industry | Press-Daily |
| 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 John Larsen across 2 US Census years (1920 and 1930) in Salt Lake, Utah, using XGBoost record linkage.
Show:
This person
Anchor record
John Larsen
Son · 1930 · age 22 · b. ~1908 · Utah
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Sibling
Gertrude Larsen
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Larsen
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Larsen
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Larsen
Sibling · 1930 · age 18
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
1930 US Federal Census — Salt Lake, Utah
Open full size
1930 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2419unit:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John L Larsen | 51 | Head | Engineer | Utah |
| 2 | Sarah A Larsen | 48 | Wife-H | — | Utah |
| 3 | John C Larsen THIS PERSON | 22 | Son | Printer | Utah |
| 4 | Glen Larsen | 18 | Son | Printer | Utah |
| 5 | Lucile Larsen | 14 | Daughter | — | Utah |
| 6 | Harold Larsen | 11 | Son | — | Utah |
| 7 | Gertrude Larsen | 25 | Daughter | — | Utah |
| 8 | August Dittman | 47 | Head | Laborer | Germany |
| 9 | Sophie Dittman | 40 | Wife-H | — | Germany |
| 10 | Almer A Dittman | 12 | Son-at | — | Utah |
| 11 | Herbert Cochran | 50 | Head | Watchman | Missouri |
| 12 | Martha Cochran | 49 | Wife-H | — | Kansas |
| 13 | Hubert Cochran | 21 | Son | — | Utah |
| 14 | Earl Cochran | 16 | Son | — | Utah |
| 15 | Clarence Cochran | 14 | Son | — | Utah |
| 16 | Ruth Cochran | 11 | Daughter | — | Utah |
| 17 | Otto Loosli | 48 | Head | Salesman | Germany |
| 18 | Emily Loosli | 44 | Wife-H | — | Germany |
| 19 | Carol K Loosli | 23 | Son-at | — | Germany |
| 20 | Elizabeth Loosli | 21 | Daughter | Stenographer | Illinois |
| 21 | Muller Loosli | 19 | Son | Book-Keeper | Utah |
| 22 | Albert Loosli | 17 | Son | — | Utah |
| 23 | Hubert Loosli | 15 | Son | — | Utah |
| 24 | Ruth Loosli | 13 | Daughter | — | Utah |
| 25 | Lillian Loosli | 11 | Daughter | — | Utah |
| 26 | Foster Loosli | 6 | Son | — | Utah |
| 27 | Jean Loosli | 2 | Daughter | — | Utah |
| 28 | Gordon Loosli | 0 | Son | — | Utah |
| 29 | Anna R Meier | 73 | Head | — | Germany |
| 30 | Anna G Meier | 49 | Daughter | Saleswoman | Germany |
| 31 | Fredrick Leach | 40 | Head | Laborer | Germany |
| 32 | Elsie B Leach | 26 | Wife-H | — | Germany |
| 33 | Thelma Leach | 11 | Daughter | — | Utah |
| 34 | Arden D Leach | 8 | Son | — | Utah |
| 35 | Ejen R Mcphee | 59 | Head | Caretaker | Scotland |
| 36 | Theresa Mcphee | 57 | Wife-H | — | Sweden |
| 37 | Alfred G Mcphee | 29 | Son | Milkman | Utah |
| 38 | Jessie Mcphee | 25 | Daughter | Operator | Utah |
| 39 | Theodore Mcphee | 22 | Son | Laborer | Utah |
| 40 | Peter B Mcphee | 17 | Son | — | Utah |
| 41 | Lou Taylor | 47 | Head | Cook | Illinois |
| 42 | John D Brown | 55 | Head | Detective | Utah |
| 43 | Nellie Brown | 53 | Wife-H | — | Utah |
| 44 | Leon Brown | 26 | Son | Operator | Utah |
| 45 | Irene Brown | 26 | Daughter-in-law | — | Utah |
| 46 | Sherman Brown | 5 | Gr-Son | — | Utah |
| 47 | Claude Brown | 24 | Son | — | Utah |
| 48 | Ruth Brown | 1 | Gr-Daughter | — | Utah |
| 49 | Richard Muhl | 33 | Head | Miner | Germany |
| 50 | Frieda Muhl | 40 | Wife-H | — | Germany |
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)