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Bertha Nelson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Bertha Nelson across the 1920, 1930 and 1940 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 7-person household.
Age 31
b. ~1889
Female
Spouse
Born: Switzerland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Salt Lake, Utah |
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swiss |
| Birth Country | Switzerland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | switzerland |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1889 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bernice Nelson | Daughter | — | 4 | ~1916 |
| Edward Nelson | Son | — | 10 | ~1910 |
| Bertha Nelson | Daughter | — | 17 | ~1903 |
| Baby Nelson | Daughter | — | ~1920 | |
| Ardain Nelson | Daughter | — | 8 | ~1912 |
| Bertha Nelson | Spouse | — | 31 | ~1889 |
| Peter Nelson | Head | — | 35 | ~1885 |
Census Appearances
1920
Salt Lake, …
Spouse, age 31
Salt Lake, Utah · implied b. ~1889 — 7 household members
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swiss |
| Birth Country | Switzerland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | switzerland |
1930
Salt Lake, …
Other, age 41
Salt Lake, Utah · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Bertha G. |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1896 |
| Age at First Marriage | 20 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
1940
Salt-Lake-County, Utah
Spouse, age 52
Salt-Lake-County, Utah · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Neilson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Switzerland |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
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 Bertha Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Nelson
Spouse · 1920 · age 31 · b. ~1889 · Utah
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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 — 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:0677)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arnold Paulsen | 32 | Head | Shipping | England |
| 2 | Emily Paulsen | 23 | Wife | None | England |
| 3 | Joseph Paulsen | 1 | Son | None | Utah |
| 4 | Robert Miller | 39 | Head | None | Pennsylvania |
| 5 | Margrette Miller | 40 | Wife | Brick Mason | Scotland |
| 6 | Margrette Miller | 10 | Daughter | None | Chicago |
| 7 | Hellen Miller | 2 | Daughter | None | Utah |
| 8 | Mark Larsen | 27 | Head | Carpenter | Utah |
| 9 | Ethel Larsen | 26 | Wife | None | Utah |
| 10 | Frederick Larsen | 4 | Son | None | Utah |
| 11 | Ellen Larsen | 3 | Daughter | None | Utah |
| 12 | Helen Larsen | 1 | Daughter | None | Utah |
| 13 | George Moses | 39 | Head | Stockholder | Utah |
| 14 | Marie Moses | 40 | Wife | None | Denmark |
| 15 | Thelma Moses | 7 | Daughter | None | Utah |
| 16 | George Moses | 6 | Son | None | Utah |
| 17 | Viola Moses | 4 | Daughter | None | Utah |
| 18 | Evesta Moses | 3 | Daughter | None | Utah |
| 19 | Peter Nelson | 35 | Head | Salesman | Denmark |
| 20 | Bertha Nelson THIS PERSON | 31 | Wife | None | Switzerland |
| 21 | Edward Nelson | 10 | Son | None | Utah |
| 22 | Ardain Nelson | 8 | Daughter | None | Utah |
| 23 | Bernice Nelson | 4 | Daughter | None | Utah |
| 24 | Baby Nelson | 0 | Daughter | None | Utah |
| 25 | Bertha Nelson | 17 | Daughter | None | Utah |
| 26 | Caroline Torkledson | 60 | Head | None | Sweden |
| 27 | William N. Torkledson | 31 | Son | Molder | Utah |
| 28 | Florence Torkledson | 23 | Daughter | Candy | Utah |
| 29 | Ellen Torkledson | 19 | Daughter | Clerk | Utah |
| 30 | James Birrell | 60 | Head | Proprietor | Scotland |
| 31 | Jessie M. Birrell | 61 | Wife | Dispenser | Scotland |
| 32 | Andrew Birrell | 29 | Son | None | Scotland |
| 33 | William Birrell | 27 | Son | None | Scotland |
| 34 | Robert Birrell | 25 | Son | None | Scotland |
| 35 | Isabella Birrell | 21 | Daughter | None | Utah |
| 36 | Alexander Coville | 52 | Head | Paper Hanger | England |
| 37 | Addie Coville | 53 | Wife | None | Ohio |
| 38 | Royle Coville | 27 | Son | Machinist | Utah |
| 39 | Jack Coville | 15 | Son | None | Utah |
| 40 | Clara Jensen | 62 | Head | None | Sweden |
| 41 | Niel Jensen | 25 | Son | Teamster | Utah |
| 42 | Thomas Dunn | 76 | Head | None | England |
| 43 | Annie Dunn | 73 | Wife | None | England |
| 44 | Frederick Dunn | 26 | Son | Laborer | England |
| 45 | Hollis Porsell | 43 | Head | Paper Hanger | Utah |
| 46 | Meta Porsell | 30 | Wife | None | Germany |
| 47 | Meta Porsell | 5 | Daughter | None | Utah |
| 48 | Evelyn Porsell | 4 | Daughter | None | Utah |
| 49 | Herbert Porsell | 2 | Son | None | Utah |
| 50 | Father Samuel | 70 | Father | None | Michigan |
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)