EP
Emma Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Emma Parker across the 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 11-person household.
Age 40
b. ~1900
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Parker |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Mondamin Town |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Mondamin Town |
| Est. Birth Year | ~1900 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Lola Parker | Daughter | — | 15 | ~1925 |
| Roby Parker | Head | — | 45 | ~1895 |
| Dorothy Parker | Daughter | — | 3 | ~1937 |
| Emma Parker | Spouse | — | 40 | ~1900 |
| Lois Parker | Daughter | — | 13 | ~1927 |
| Francis Parker | Son | — | 17 | ~1923 |
| Cleo Parker | Daughter | — | 2 | ~1938 |
| Eugene Parker | Son | — | 10 | ~1930 |
| Robert Parker | Son | — | 9 | ~1931 |
| Glen Parker | Daughter | — | 11 | ~1929 |
| Ralph Parker | Son | — | 19 | ~1921 |
Census Appearances
1930
Harrison, Iowa
Other, age 30
Harrison, Iowa · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Emma R |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 18 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Harrison-County, Iowa
Spouse, age 40
Harrison-County, Iowa · implied b. ~1900 — 11 household members
| Surname | Parker |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Mondamin Town |
| 1935 Residence (County) | Harrison |
| Highest Grade | Hs 1 |
| 1935 Residence | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Parker
Spouse · 1940 · age 40 · b. ~1900 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00444)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Hammer | 20 | Wife | — | Iowa |
| 2 | Deloris Hammer | 3 | Daughter | — | Iowa |
| 3 | William Niles | 64 | Head | Dealer - Grain | Iowa |
| 4 | Ada Niles | 60 | Wife | — | Iowa |
| 5 | Howard Niles | 18 | Son | — | Iowa |
| 6 | John Lovett | 25 | Head | New Worker | Missouri |
| 7 | Maxine Lovett | 18 | Wife | — | Iowa |
| 8 | Bell Nelson | 82 | Head | — | Iowa |
| 9 | Henry Dierke | 78 | Head | Retired Farmer | Germany |
| 10 | Henry A Dierke | 29 | Son | Farm Laborer | Iowa |
| 11 | Alva Dittmer | 31 | Daughter | House Work | Missouri |
| 12 | Donald Dittmer | 12 | Grandson | — | Iowa |
| 13 | Chris Glevin | 31 | Son in l | Deck Hand | Missouri |
| 14 | Freda Glevin | 33 | Daughter | — | Missouri |
| 15 | William Glevin | 1 | Grandson | — | Iowa |
| 16 | Clyde Graves | 23 | Head | Clerk | Iowa |
| 17 | Marjorie Graves | 19 | Wife | — | Iowa |
| 18 | Cecil Nielsen | 23 | Head | Form Builder | Minnesota |
| 19 | Vera Nielsen | 23 | Wife | — | Iowa |
| 20 | Wesley Kirk | 69 | Head | Oa | Iowa |
| 21 | Lettie Kirk | 68 | Wife | — | Indiana |
| 22 | Roby Parker | 45 | Head | Carpenter | Iowa |
| 23 | Emma Parker THIS PERSON | 40 | Wife | — | Colorado |
| 24 | Ralph Parker | 19 | Son | Laborer | Iowa |
| 25 | Francis Parker | 17 | Son | Laborer | Iowa |
| 26 | Lola Parker | 15 | Daughter | — | Iowa |
| 27 | Lois Parker | 13 | Daughter | — | Iowa |
| 28 | Glen Parker | 11 | Daughter | — | Iowa |
| 29 | Eugene Parker | 10 | Son | — | Iowa |
| 30 | Robert Parker | 9 | Son | — | Iowa |
| 31 | Dorothy Parker | 3 | Daughter | — | Iowa |
| 32 | Cleo Parker | 2 | Daughter | — | Iowa |
| 33 | Paul Welton | 38 | Head | Laborer | Iowa |
| 34 | Lorraine Welton | 33 | Wife | — | Iowa |
| 35 | Halick Welton | 14 | Son | — | Iowa |
| 36 | Fred Welton | 12 | Son | — | Iowa |
| 37 | Lois Welton | 10 | Daughter | — | Iowa |
| 38 | Janet Welton | 7 | Daughter | — | Iowa |
| 39 | Ilene Welton | 7 | Daughter | — | Iowa |
| 40 | Mary Lou Welton | 3 | Daughter | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)