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Bertha Nelson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hamilton, Iowa
Our Model Tree links this Bertha Nelson across the 1900, 1910, 1920 and 1930 US Censuses in Hamilton, Iowa (XGBoost, ~Confirmed) — first a head (b.~1846), then head of a 2-person household.
Age 84
b. ~1846
Female
Head
Born: Norway
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Iowa |
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 84 |
| Marital Status | Widowed |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1855 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Norse |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Ellsworth Township |
| Est. Birth Year | ~1846 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Nelson | Head | — | 84 | ~1846 |
| Jones Nelson | Son | — | 63 | ~1867 |
Census Appearances
1900
Hamilton, Iowa
Spouse, age 56
Hamilton, Iowa · implied b. ~1844 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Norway |
| Birth Month | Apr |
| Birth Year | 1844 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1910
Hamilton, Iowa
Spouse, age 66
Hamilton, Iowa · implied b. ~1844 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 44 |
| Children Born | 8 |
| Children Living | 6 |
| Year of Immigration | 1852 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Hamilton, Iowa
Spouse, age 76
Hamilton, Iowa · implied b. ~1844 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1866 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Hamilton, Iowa
Head, age 84
Hamilton, Iowa · implied b. ~1846 — 2 household members
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 84 |
| Marital Status | Widowed |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1855 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norse |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 4 US Census years (1900, 1910, 1920 and 1930) in Hamilton, Iowa, using XGBoost record linkage.
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This person
Anchor record
Bertha Nelson
Head · 1930 · age 84 · b. ~1846 · Iowa
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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 — Hamilton, Iowa
Open full size
1930 US Federal Census — Hamilton, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel657:0348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A. Ray Anderson | 41 | Head | Bus Driver | Sweden |
| 2 | H. Cora Anderson | 41 | Wife-H | — | Minnesota |
| 3 | H. Geneva Anderson | 14 | daughter | — | Minnesota |
| 4 | Lois Anderson | 5 | daughter | — | Iowa |
| 5 | Raymond Anderson | 3 | Son | — | Iowa |
| 6 | Mildred Atkinson | 19 | Stepdaughter | — | Iowa |
| 7 | B. Hans Hanson | 67 | Head | Manager | Norway |
| 8 | Mary Hanson | 69 | Wife-H | — | Norway |
| 9 | Jake Egland | 68 | Brother law | Clerk | Iowa |
| 10 | Mary Matson | 81 | Head | — | Denmark |
| 11 | Chris Matson | 44 | Son | Carpenter | Iowa |
| 12 | Ole Migre | 50 | Roomer | Shoemaker | Norway |
| 13 | Wars Migre | 48 | Roomer | Tiler | Norway |
| 14 | W. Martin Henderson | 66 | Head | — | Iowa |
| 15 | Josephine Henderson | 66 | Wife-H | — | Illinois |
| 16 | Edwin R. Benson | 48 | Head | Contractor | Iowa |
| 17 | Sophia Benson | 42 | Wife-H | — | Iowa |
| 18 | Ernest Benson | 17 | Son | — | Iowa |
| 19 | Arnold Benson | 16 | Son | — | Iowa |
| 20 | Walter Benson | 14 | Son | — | Iowa |
| 21 | Edwin Jr. Benson | 12 | Son | — | Iowa |
| 22 | Orlin Benson | 10 | Son | — | Iowa |
| 23 | Julia Ford | 45 | Head | — | Illinois |
| 24 | Stella Ford | 14 | daughter | — | Iowa |
| 25 | Jeffrey Ford | 14 | Son | — | Iowa |
| 26 | Marjorie Ford | 10 | daughter | — | Iowa |
| 27 | Bervin Ford | 7 | Son | — | Iowa |
| 28 | M. John Teigland | 76 | Head | — | Norway |
| 29 | Herborg Teigland | 74 | Wife-H | — | Norway |
| 30 | E. Henry Rifen | 36 | Head | Butcher | Iowa |
| 31 | Amanda Rifen | 32 | Wife-H | — | Iowa |
| 32 | Issel Rifen | 4 | Ad Daughter | — | Iowa |
| 33 | Elmer Rifen | 1 | Son | — | Iowa |
| 34 | B. Olaf Olson | 78 | Head | — | Illinois |
| 35 | Betsey Olson | 75 | Wife-H | — | Illinois |
| 36 | Orville Olson | 39 | Son | Farming | Iowa |
| 37 | J. Elmer Johnson | 33 | Head | Farming | Iowa |
| 38 | Maggie Johnson | 35 | Wife | — | Iowa |
| 39 | James Johnson | 9 | Son | — | Iowa |
| 40 | Bessie Johnson | 7 | daughter | — | Iowa |
| 41 | Hester Johnson | 5 | Son | — | Iowa |
| 42 | John Hurson | 44 | Head | Farming | Iowa |
| 43 | Thomas Hurson | 42 | Brother | Farming | Iowa |
| 44 | Jacob Jacobson | 51 | Head | Tiler | Norway |
| 45 | Anna Jacobson | 47 | Wife-H | — | Iowa |
| 46 | Sherman Jacobson | 25 | Son | — | Iowa |
| 47 | Stanton Jacobson | 16 | Son | — | Iowa |
| 48 | Bertha Nelson THIS PERSON | 84 | Head | — | Norway |
| 49 | Jones Nelson | 63 | Son | — | Illinois |
| 50 | Lars Queensland | 87 | Head | Farming | Norway |
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)