MF
Mary Funk — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Black Hawk, Iowa
Our Model Tree links this Mary Funk across the 1920, 1930 and 1940 US Censuses in Black Hawk, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 6-person household.
Age 44
b. ~1876
Female
Spouse
Born: Iowa
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Black Hawk, Iowa |
| Surname | Funk |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Bennington Township |
| Est. Birth Year | ~1876 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Funk | Spouse | — | 44 | ~1876 |
| George Funk | Head | — | 62 | ~1858 |
| Grace Funk | Daughter | — | 13 | ~1907 |
| Roy Funk | Son | — | 10 | ~1910 |
| Edward Funk | Son | — | 21 | ~1899 |
| Irene Funk | Daughter | — | 15 | ~1905 |
Census Appearances
1920
Black Hawk, …
Spouse, age 44
Black Hawk, Iowa · implied b. ~1876 — 6 household members
| Surname | Funk |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Black Hawk, …
Spouse, age 54
Black Hawk, Iowa · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fink |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 18 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Black-Hawk-County, Iowa
Spouse, age 65
Black-Hawk-County, Iowa · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fink |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Waterloo City |
| 1935 Residence (County) | Black Hawk |
| Income (1939) | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| 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 Mary Funk across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Funk
Spouse · 1920 · age 44 · b. ~1876 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Black Hawk, Iowa
Open full size
1920 US Federal Census — Black Hawk, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu478unit:0022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Donatany | 43 | Wife | — | Iowa |
| 2 | Bessie Donatany | 20 | Daughter | — | Iowa |
| 3 | George Funk | 62 | Head | Farmer | New York |
| 4 | Mary Funk THIS PERSON | 44 | Wife | — | Iowa |
| 5 | Edward Funk | 21 | Son | Farm Laborer | Iowa |
| 6 | Irene Funk | 15 | Daughter | — | Iowa |
| 7 | Grace Funk | 13 | Daughter | — | Iowa |
| 8 | Roy Funk | 10 | Son | — | Iowa |
| 9 | Hubert F. Horner | 33 | Head | Farmer | Iowa |
| 10 | Harlan P. Horner | 83 | Father | — | New York |
| 11 | Lucinda S. Horner | 77 | Aunt | — | New York |
| 12 | George Gish | 57 | Head | Carpenter | Michigan |
| 13 | August Widdel | 27 | Head | Farmer | Iowa |
| 14 | Hulda Widdel | 21 | Wife | — | Iowa |
| 15 | Lawrence Widdel | 0 | Son | — | Iowa |
| 16 | August Sr. Widdel | 65 | Father | Farm Laborer | Illinois |
| 17 | Louis Heidemann | 27 | Head | Farmer | Iowa |
| 18 | Meta Heidemann | 21 | Wife | — | Iowa |
| 19 | Dorothy Heidemann | 0 | Daughter | — | Iowa |
| 20 | Lizzie Hein | 56 | Mother-in-law | — | Germany |
| 21 | Christopher F. Brant | 47 | Head | Farmer | Iowa |
| 22 | Lydia Brant | 29 | Wife | — | Iowa |
| 23 | Esther Brant | 7 | Daughter | — | Iowa |
| 24 | Herman W. Mailing | 42 | Head | Farmer | Iowa |
| 25 | Arthur Diercks | 26 | Head | Farmer | Iowa |
| 26 | Amanda Diercks | 28 | Wife | — | Iowa |
| 27 | Ethel Diercks | 3 | Daughter | — | Iowa |
| 28 | Dorothy Diercks | 1 | Daughter | — | Iowa |
| 29 | William Meyers | 39 | Head | Butter Maker | Iowa |
| 30 | Lenora Meyers | 37 | Wife | — | Iowa |
| 31 | Viola Meyers | 13 | Daughter | — | Iowa |
| 32 | Thelma Meyers | 12 | Daughter | — | Iowa |
| 33 | Herbert Meyers | 8 | Son | — | Iowa |
| 34 | Edna Meyers | 4 | Daughter | — | Iowa |
| 35 | Lydia Meyers | 2 | Daughter | — | Iowa |
| 36 | Henry W. Schutte | 38 | Head | Farmer | Iowa |
| 37 | Louise Schutte | 35 | Wife | — | Iowa |
| 38 | Reuben Schutte | 13 | Son | — | Iowa |
| 39 | Esther Schutte | 12 | Daughter | — | Iowa |
| 40 | Raymond Schutte | 10 | Son | — | Iowa |
| 41 | Lloyd Schutte | 8 | Son | — | Iowa |
| 42 | Harold Schutte | 6 | Son | — | Iowa |
| 43 | Wilma Schutte | 5 | Daughter | — | Iowa |
| 44 | Frances Schutte | 3 | Daughter | — | Iowa |
| 45 | Paul Brooks | 39 | Head | Farmer | Germany |
| 46 | Lydia Brooks | 35 | Wife | — | Iowa |
| 47 | Freda Brooks | 12 | Daughter | — | Iowa |
| 48 | Clara Brooks | 11 | Daughter | — | Iowa |
| 49 | William Brooks | 9 | Son | — | Iowa |
| 50 | Bernard Brooks | 8 | Son | — | Iowa |
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)