EW
Emma Wolf — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Audubon, Iowa
Our Model Tree links this Emma Wolf across the 1920, 1930 and 1940 US Censuses in Audubon, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 8-person household.
Age 59
b. ~1871
Female
Spouse
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Audubon, Iowa |
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Oakfield |
| Est. Birth Year | ~1871 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Wolf | Daughter | — | 7 | ~1923 |
| Emma Wolf | Spouse | — | 59 | ~1871 |
| Donald Wolf | Son | — | 1 | ~1929 |
| Adel Wolf | Other | — | 9 | ~1921 |
| Chris Wolf | Head | — | 63 | ~1867 |
| Harold Wolf | Son | — | 32 | ~1898 |
| Roland Davis | Son | — | 12 | ~1918 |
| Hazel Wolf | Other | — | 29 | ~1901 |
Census Appearances
1920
Audubon, Iowa
Spouse, age 49
Audubon, Iowa · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Audubon, Iowa
Spouse, age 59
Audubon, Iowa · implied b. ~1871 — 8 household members
| Surname | Wolf |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Audubon-County, Iowa
Head, age 69
Audubon-County, Iowa · implied b. ~1871
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Wolf |
| Given Name | Emme |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Exira Township |
| 1935 Residence (County) | Audubon |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Emma Wolf across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Wolf
Spouse · 1930 · age 59 · b. ~1871 · 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 — Audubon, Iowa
Open full size
1930 US Federal Census — Audubon, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel640:0386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Lewis | 57 | Head | Store Keeper | Iowa |
| 2 | Nellie B Lewis | 51 | Wife | — | Iowa |
| 3 | Edward B Lewis | 27 | Son | Laborer | Iowa |
| 4 | Gerald H Lewis | 22 | Son | Carpenter | Iowa |
| 5 | James B Lewis | 16 | Son | Farming | Iowa |
| 6 | Nellie L Lewis | 13 | Daughter | — | Iowa |
| 7 | Don W Chambers | 37 | Head | Farmer | Iowa |
| 8 | Laura Chambers | 66 | Wife | — | England |
| 9 | Byron A Ayers | 32 | Head | Laborer | Iowa |
| 10 | Charles B Fisher | 57 | Head | Painter | England |
| 11 | Margaret J Fisher | 52 | Wife | Nurse | Iowa |
| 12 | Reginald Fisher | 29 | Son | Laborer | Iowa |
| 13 | Errol Fisher | 27 | Son | Painter | Iowa |
| 14 | Charley Hansen | 30 | Head | Farmer | Iowa |
| 15 | Anna B Hansen | 30 | Wife | — | Iowa |
| 16 | Charles L Hansen | 3 | Son | — | Iowa |
| 17 | Andrew Petersen | 34 | Head | Farmer | Iowa |
| 18 | Florence M Petersen | 29 | Wife | — | Iowa |
| 19 | Richard D Petersen | 3 | Son | — | Iowa |
| 20 | Ronald D Petersen | 1 | Son | — | Iowa |
| 21 | Chris P Bach | 33 | Head | Farmer | Iowa |
| 22 | Miah Bach | 30 | Wife | — | Iowa |
| 23 | Alice L Bach | 3 | Daughter | — | Iowa |
| 24 | Catherine A Bach | 0 | Daughter | — | Iowa |
| 25 | Andrew H Peterson | 41 | Head | Farmer | Iowa |
| 26 | Elena S Peterson | 40 | Wife | — | Denmark |
| 27 | Nels J Peterson | 19 | Son | Farm Laborer | Iowa |
| 28 | Anna L Peterson | 15 | Daughter | — | Iowa |
| 29 | Leo C Peterson | 12 | Son | — | Iowa |
| 30 | Elmer J Peterson | 7 | Son | — | Iowa |
| 31 | James L Peterson | 1 | Son | — | Iowa |
| 32 | Chris J H Wolf | 63 | Head | Farmer | Denmark |
| 33 | Emma Wolf THIS PERSON | 59 | Wife | — | Iowa |
| 34 | Harold W Wolf | 32 | Son | Laborer | Iowa |
| 35 | Hazel E Wolf | 29 | Daughter-in-law | — | Iowa |
| 36 | Adel G Wolf | 9 | G-child | — | Iowa |
| 37 | Lorraine J Wolf | 7 | Daughter | — | Iowa |
| 38 | Donald R Wolf | 1 | Son | — | Iowa |
| 39 | Roland W Davis | 12 | Son | — | Iowa |
| 40 | Andrew C Nelsen | 43 | Head | Farmer | Iowa |
| 41 | Bertha M Nelsen | 39 | Wife | — | Iowa |
| 42 | Rose M Nelsen | 16 | Daughter | — | Iowa |
| 43 | Dannelene Nelsen | 14 | Daughter | — | Iowa |
| 44 | Violet C Nelsen | 12 | Daughter | — | Iowa |
| 45 | Elaine M Nelsen | 10 | Daughter | — | Iowa |
| 46 | Nels H Hansen | 40 | Head | Farmer | Iowa |
| 47 | Caroline M Hansen | 40 | Wife | — | Denmark |
| 48 | Leonard Hansen | 18 | Son | Farm Laborer | Iowa |
| 49 | Harold Hansen | 15 | Son | Farm Laborer | Iowa |
| 50 | Howard Hansen | 9 | Son | — | Iowa |
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)