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Ida Nelson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boulder, Colorado
Our Model Tree links this Ida Nelson across the 1920 and 1930 US Censuses in Boulder, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 13-person household.
Age 64
b. ~1866
Female
Spouse
Born: Sweden
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Boulder, Colorado |
| Surname | Nelson |
| Given Name | Ida C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Hygiene Precinct 10 |
| Est. Birth Year | ~1866 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Nelson | Daughter | — | 35 | ~1895 |
| Violet Doh | Daughter | — | 5 | ~1925 |
| Tillie Doh | Daughter | — | 14 | ~1916 |
| George Doh | Head | — | 47 | ~1883 |
| John Nelson | Other | — | 68 | ~1862 |
| Emil Doh | Son | — | 10 | ~1920 |
| John Doh | Son | — | 15 | ~1915 |
| E Nelson | Son | — | 39 | ~1891 |
| Alex Doh | Son | — | 17 | ~1913 |
| Raymond Doh | Son | — | 8 | ~1922 |
| Henry Doh | Son | — | 11 | ~1919 |
| Ida Nelson | Spouse | — | 64 | ~1866 |
| Anna Doh | Spouse | — | 46 | ~1884 |
Census Appearances
1920
Adams, Colorado
Spouse, age 53
Adams, Colorado · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ida C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Boulder, Colorado
Spouse, age 64
Boulder, Colorado · implied b. ~1866 — 13 household members
| Surname | Nelson |
| Given Name | Ida C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Ida Nelson across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ida Nelson
Spouse · 1930 · age 64 · b. ~1866 · Colorado
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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 — Boulder, Colorado
Open full size
1930 US Federal Census — Boulder, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus230unit:1064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Henry | 22 | Head | Farm | Colorado |
| 2 | Conedia Henry | 20 | Wife | None | Colorado |
| 3 | Rose Ellen Henry | 0 | Daughter | — | Colorado |
| 4 | George Doh | 47 | Head | Laborer | Russia |
| 5 | Anna Doh | 46 | Wife | No | Russia |
| 6 | Alex Doh | 17 | Son | — | Colorado |
| 7 | John Doh | 15 | Son | — | Colorado |
| 8 | Tillie Doh | 14 | Daughter | — | Colorado |
| 9 | Henry Doh | 11 | Son | — | Colorado |
| 10 | Emil Doh | 10 | Son | — | Colorado |
| 11 | Raymond Doh | 8 | Son | — | Colorado |
| 12 | Violet Doh | 5 | Daughter | — | Colorado |
| 13 | John N Nelson | 68 | — | Farmer | Sweden |
| 14 | Ida C Nelson THIS PERSON | 64 | Wife | — | Sweden |
| 15 | E Harold Nelson | 39 | Son | Farmer | Colorado |
| 16 | Gertrude E Nelson | 35 | Daughter | Teacher | Colorado |
| 17 | Joe Salazar | 43 | Head | Laborer | Mexico |
| 18 | Teresita Salazar | 27 | Wife | — | New Mexico |
| 19 | Rebecca Salazar | 15 | Daughter | — | New Mexico |
| 20 | Mary Salazar | 13 | Daughter | — | Colorado |
| 21 | Sophia Salazar | 9 | Daughter | — | Colorado |
| 22 | Tenie Salazar | 5 | Daughter | — | Colorado |
| 23 | Max Salazar | 1 | Son | — | Colorado |
| 24 | J G Carter | 46 | — | Farmer | Missouri |
| 25 | Ernest Carter | 21 | Son | — | Missouri |
| 26 | Fannie Hushmon | 60 | Housekeeper | Housekeeper | Kentucky |
| 27 | George France | 44 | Head | Truck Driver | Missouri |
| 28 | Bertha France | 43 | Wife | Dressmaker | Nebraska |
| 29 | William Emil March | 23 | Head | Laborer | Colorado |
| 30 | Viola March | 27 | Wife | Laborer | North Carolina |
| 31 | Hazel Lucille March | 7 | Daughter | — | North Carolina |
| 32 | Beverly Joyce March | 2 | Daughter | — | Colorado |
| 33 | Cindy L Price | 59 | Mother-in-law | — | North Carolina |
| 34 | Raymond Allard | 25 | Head | Laborer | Colorado |
| 35 | Opal Allard | 23 | Wife | — | Colorado |
| 36 | Clara Mae Allard | 3 | Daughter | — | Colorado |
| 37 | Lena Marie Allard | 1 | Daughter | — | Colorado |
| 38 | Jacob Sterkel | 57 | Head | Farmer | Russia |
| 39 | Christina Sterkel | 48 | Wife | — | Russia |
| 40 | John Sterkel | 22 | Son | — | Colorado |
| 41 | Marie Sterkel | 17 | Daughter | — | Colorado |
| 42 | Elizabeth Sterkel | 12 | Daughter | — | Colorado |
| 43 | Reuben Sterkel | 7 | Son | — | Colorado |
| 44 | John Brahm | 28 | Head | Hand Labor | Colorado |
| 45 | Mary Brahm | 22 | Wife | — | Colorado |
| 46 | Myrtle Rose Brahm | 2 | Daughter | — | Colorado |
| 47 | Luciano Chavez | 35 | Head | Hand Labor | Mexico |
| 48 | Isabel Chavez | 34 | Wife | — | New Mexico |
| 49 | Mariano Chavez | 5 | Son | — | Colorado |
| 50 | Simon Chavez | 3 | Son | — | New Mexico |
Related Census Records
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)