EM
Emma Miller — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Blackhawk, Iowa
Our Model Tree links this Emma Miller across the 1920, 1930 and 1940 US Censuses in Blackhawk, Iowa (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 2-person household.
Age 61
b. ~1859
Female
Head
Born: Illinois
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Blackhawk, Iowa |
| Surname | Miller |
| Given Name | Emma C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1859 |
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 1920 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Emma Miller | Head | — | 61 | ~1859 |
| Harry Miller | Son | — | 42 | ~1878 |
Census Appearances
1920
Blackhawk, Iowa
Head, age 61
Blackhawk, Iowa · implied b. ~1859 — 2 household members
| Surname | Miller |
| Given Name | Emma C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Black Hawk, …
Other, age 71
Black Hawk, Iowa · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Emma C |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | 3500 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Black-Hawk-County, Iowa
Other, age 81
Black-Hawk-County, Iowa · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Emma C. |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Waterloo City |
| 1935 Residence (County) | Black Hawk |
| Occupation | Housewife |
| Industry | Own Home |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Miller across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Miller
Head · 1920 · age 61 · b. ~1859 · 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 — Blackhawk, Iowa
Open full size
1920 US Federal Census — Blackhawk, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu478unit:0621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ursula | 17 | — | Stenographer | Illinois |
| 52 | Casper | 13 | — | — | Missouri |
| 53 | Leo | 8 | — | — | Oregon |
| 54 | Elmer Little | 30 | Head | Cashier | New York |
| 55 | Naoma Little | 25 | Wife | — | Pennsylvania |
| 56 | Helen Little | 1 | Daughter | — | Iowa |
| 57 | Charles Bracy | 37 | Roomer | Mechanic | Iowa |
| 58 | George M. Kirk | 34 | Head | President | Illinois |
| 59 | Edith Kirk | 32 | Wife | — | Iowa |
| 60 | Donald Kirk | 13 | Son | — | Iowa |
| 61 | Deloris Kirk | 9 | Daughter | — | Illinois |
| 62 | Byron Held | 46 | Head | Dressmaker | Switzerland |
| 63 | Lucie Held | 23 | Daughter | — | Iowa |
| 64 | Mildred Held | 22 | Daughter | Teacher | Iowa |
| 65 | Alice Held | 20 | Daughter | — | Iowa |
| 66 | Ida Schwingruber | 45 | Sister | Dressmaker | Switzerland |
| 67 | Emma Pickett | 46 | Head | — | Illinois |
| 68 | Roy Pickett | 24 | Son | Carpenter | Illinois |
| 69 | Curtis J. Pickett | 17 | Son | Salesman | Illinois |
| 70 | Robert Pickett | 14 | Son | — | Illinois |
| 71 | Margaret Pickett | 12 | Daughter | — | Illinois |
| 72 | Lloyd E. Ringler | 31 | Head | — | Pennsylvania |
| 73 | Hazel Ringler | 29 | Wife | — | Pennsylvania |
| 74 | Charles Ames | 42 | Head | Collector | Illinois |
| 75 | Edith Ames | 37 | Wife | — | Iowa |
| 76 | Florence Goodman | 19 | Roomer | Stenographer | Iowa |
| 77 | Mary Walker | 53 | Head | Keeper | Iowa |
| 78 | Marion Walker | 25 | Daughter | Music Teacher | Iowa |
| 79 | Lizzie Bennett | 69 | Roomer | — | Illinois |
| 80 | Edward C. Self | 45 | Head | Commercial Trav | Iowa |
| 81 | Emma J. Self | 52 | Wife | — | Iowa |
| 82 | Emma C. Miller THIS PERSON | 61 | Head | — | Illinois |
| 83 | Harry H. Miller | 42 | Son | Retail Merchant | Iowa |
| 84 | Peter C. Johnson | 44 | Head | Contractor | Iowa |
| 85 | Clara Johnson | 39 | Wife | — | Iowa |
| 86 | Dale Johnson | 14 | Son | — | Iowa |
| 87 | Pearl Kruidenier | 28 | Roomer | Corres. Clerk | Iowa |
| 88 | James Irwin | 35 | Head | Constructor Engineer | Scotland |
| 89 | Myrtle Irwin | 30 | Wife | — | Iowa |
| 90 | Barbara Irwin | 10 | Daughter | — | Iowa |
| 91 | Janet Irwin | 5 | Daughter | — | Iowa |
| 92 | Albert Mcquiston | 38 | Head | Manager | Kansas |
| 93 | Margaret Mcquiston | 38 | Wife | — | Iowa |
| 94 | Lawrence Mcquiston | 7 | Son | — | Iowa |
| 95 | Leonard Demott | 23 | Roomer | — | Scotland |
| 96 | Howard Lammerman | 22 | Roomer | Salesman | Iowa |
| 97 | Remigus Mathes | 50 | Head | Foreman | Iowa |
| 98 | Nellie Mathes | 40 | Wife | — | Louisiana |
| 99 | William Mathes | 13 | Son | — | Louisiana |
| 100 | Remigus Mathes | 12 | Son | — | Louisiana |
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)