RL
Robert Larson — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Robert Larson across the 1900 and 1910 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a son (b.~1885), then head of a 9-person household.
Age 15
b. ~1885
Male
Son
Born: Utah
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Salt Lake, Utah |
| Surname | Larson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| Birth Month | Sept |
| Birth Year | 1885 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | At School |
| Township / Ward | West Jordan Precinct |
| Est. Birth Year | ~1885 |
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 1900 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Sabina Larson | Daughter | — | 23 | ~1877 |
| Effie Larson | Daughter | — | 21 | ~1879 |
| John Larson | Son | — | 27 | ~1873 |
| Robert Larson | Son | — | 15 | ~1885 |
| Christina Larson | Spouse | — | 59 | ~1841 |
| Christina Larson | Daughter | — | 25 | ~1875 |
| Edwin Larson | Son | — | 18 | ~1882 |
| John Larson | Head | — | 60 | ~1840 |
| Effie Larson | Daughter | — | 15 | ~1885 |
Census Appearances
1900
Salt Lake, …
Son, age 15
Salt Lake, Utah · implied b. ~1885 — 9 household members
| Surname | Larson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| Birth Month | Sept |
| Birth Year | 1885 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1910
Salt Lake, …
Son, age 24
Salt Lake, Utah · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | Robert N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Hire man |
| Industry | Coal hauler |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 Robert Larson across 2 US Census years (1900 and 1910) in Salt Lake, Utah, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Larson
Son · 1900 · age 15 · b. ~1885 · Utah
★ You are viewing this record
Sibling
John Larson
Sibling · 1900 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Larson
Sibling · 1900 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christina Larson
Sibling · 1900 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Larson
Sibling · 1900 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Larson
Sibling · 1900 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sabina Larson
Sibling · 1900 · age 23
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
1900 US Federal Census — Salt Lake, Utah
Open full size
1900 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1685unit:0466)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Aylett | 42 | Head | Sheep Raiser | England |
| 2 | Mary Aylett | 43 | Wife | — | Ohio |
| 3 | Fred W. Brunning | 50 | Head | — | New Jersey |
| 4 | Margaret Brunning | 46 | Wife | — | Pennsylvania |
| 5 | Fred A. Brunning | 4 | Son | — | Utah |
| 6 | Sarah Brunning | 3 | Daughter | — | Utah |
| 7 | Carl Hanson | 61 | Head | — | Denmark |
| 8 | Peter Hanson | 27 | Son | Farm Laborer | Denmark |
| 9 | John Larson | 59 | Head | Farmer | Sweden |
| 10 | Christina Larson | 59 | Wife | — | Sweden |
| 11 | John Larson | 26 | Son | Blacksmith | Utah |
| 12 | Christina Larson | 24 | Daughter | — | Utah |
| 13 | Sabina Larson | 23 | Daughter | School Teacher | Utah |
| 14 | Effie Larson | 21 | Daughter | — | Utah |
| 15 | Edwin Larson | 17 | Son | At School | Utah |
| 16 | Effie Larson | 14 | Daughter | — | Utah |
| 17 | Robert Larson THIS PERSON | 14 | Son | At School | Utah |
| 18 | Charles J. Tharp | 67 | Head | Farmer | England |
| 19 | Ann Tharp | 68 | Wife | — | England |
| 20 | Albert Smith | 42 | Head | Farmer | Pennsylvania |
| 21 | Josephine Smith | 58 | Wife | — | New York |
| 22 | Martha J. Thornton | 39 | Daughter | — | Utah |
| 23 | George Thornton | 40 | Son Law | Farm Laborer | England |
| 24 | John E. Thornton | 30 | Son | Farm Laborer | Utah |
| 25 | Agness L. Thornton | 25 | Daughter | — | Utah |
| 26 | Lewis T. Thornton | 18 | Son | — | Utah |
| 27 | Mina Thornton | 10 | G Daughter | At School | Utah |
| 28 | Roy Thornton | 8 | G Son | At School | Utah |
| 29 | Charles Thornton | 2 | G Son | — | Utah |
| 30 | Isaac Smith | 34 | Head | Carpenter | Utah |
| 31 | Harriet Smith | 30 | Wife | — | Utah |
| 32 | George N. Smith | 9 | Son | At School | Utah |
| 33 | Albert Smith | 8 | Son | At School | Utah |
| 34 | Ruth Smith | 6 | Daughter | At School | Utah |
| 35 | Hyrum Smith | 3 | Son | — | Utah |
| 36 | Arthur Smith | 0 | Son | — | Utah |
| 37 | Albert G. Smith | 37 | Head | Farmer | Utah |
| 38 | Anna Smith | 28 | Wife | — | Utah |
| 39 | Effie Smith | 6 | Daughter | At School | Utah |
| 40 | Ruby Smith | 5 | Daughter | — | Utah |
| 41 | Carol Smith | 3 | Daughter | — | Utah |
| 42 | Loarn Smith | 1 | Daughter | — | Utah |
| 43 | Joseph W. Isaacs | 40 | Head | Farmer | England |
| 44 | Anna Isaacs | 44 | Wife | — | Sweden |
| 45 | Anna E. Isaacs | 21 | Daughter | — | Utah |
| 46 | Bert A. Isaacs | 16 | Son | — | Utah |
| 47 | Almon Isaacs | 13 | Son | At School | Utah |
| 48 | Wilford Isaacs | 10 | Son | At School | Utah |
| 49 | Laura Isaacs | 6 | Daughter | At School | Utah |
| 50 | Arnel Isaacs | 4 | Son | — | Utah |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)