MH
Mary Hale — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Davis-County, Iowa
Our Model Tree links this Mary Hale across the 1930 and 1940 US Censuses in Davis-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Davis-County, Iowa |
| Surname | Hale |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lick Creek Township |
| 1935 Residence (County) | Davis County |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lick Creek Township |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hale | Daughter | — | 15 | ~1925 |
| Sarah Hale | Daughter | — | 5 | ~1935 |
| Floyd Hale | Head | — | 44 | ~1896 |
| Charles Hale | Son | — | 11 | ~1929 |
| Dale Hale | Son | — | 13 | ~1927 |
| Clinton Hale | Son | — | 8 | ~1932 |
| Earl Hale | Son | — | 2 | ~1938 |
| Etta Hale | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Davis, Iowa
Daughter, age 5
Davis, Iowa · implied b. ~1925 — 45 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Davis-County, Iowa
Daughter, age 15
Davis-County, Iowa · implied b. ~1925 — 8 household members
| Surname | Hale |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lick Creek Township |
| 1935 Residence (County) | Davis County |
| Highest Grade | Hs 1 |
| 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 Mary Hale across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hale
Daughter · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Earl Hale
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Hale
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clinton Hale
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hale
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Hale
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Davis-County, Iowa
Open full size
1940 US Federal Census — Davis-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01154-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Fisk | 64 | Head | Farmer | Iowa |
| 42 | Minnie E. Fisk | 62 | Wife | — | Iowa |
| 43 | John L. Fisk | 41 | Son | Farm Laborer | Iowa |
| 44 | Roy M. Fisk | 37 | Son | Farmer | Iowa |
| 45 | Joyce Fisk | 28 | Daughter-in-law | — | Kansas |
| 46 | Jerry Le Roy Fisk | 6 | Grandson | — | Iowa |
| 47 | Frank A. Ryals | 30 | Head | Farmer | Iowa |
| 48 | Edith L. Ryals | 28 | Wife | — | Iowa |
| 49 | Frank A. Jr. Ryals | 8 | Son | — | Iowa |
| 50 | James B. Ryals | 7 | Son | — | Iowa |
| 51 | Ruth Arlene Ryals | 1 | Daughter | — | Iowa |
| 52 | Lawrence Fetrow | 61 | Head | Farmer | Iowa |
| 53 | Effie E. Fetrow | 56 | Wife | — | Iowa |
| 54 | Floyd W. Hale | 44 | Head | Farmer | Iowa |
| 55 | Etta Mae Hale | 36 | Wife | — | Iowa |
| 56 | Mary Lois Hale THIS PERSON | 15 | Daughter | — | Iowa |
| 57 | Dale William Hale | 13 | Son | — | Iowa |
| 58 | Charles Rex Hale | 11 | Son | — | Iowa |
| 59 | Clinton Franklin Hale | 8 | Son | — | Iowa |
| 60 | Sarah Belle Hale | 5 | Daughter | — | Iowa |
| 61 | Earl J. Hale | 2 | Son | — | Iowa |
| 62 | Arthur R. Chickering | 32 | Head | Farmer | Iowa |
| 63 | Margerite D. Chickering | 23 | Wife | — | Iowa |
| 64 | Donald H. Chickering | 4 | Son | — | Iowa |
| 65 | Robert C. Chickering | 2 | Son | — | Iowa |
| 66 | Phyllis Joan Chickering | 0 | Daughter | — | Iowa |
| 67 | Charles S. Pilcher | 60 | Head | Farmer | Iowa |
| 68 | Vivian S. Pilcher | 47 | Wife | — | Missouri |
| 69 | Genevieve Ann Pilcher | 7 | Adopted Dau | — | Iowa |
| 70 | Hugh B. Pilcher | 57 | Head | Farmer | Iowa |
| 71 | Mary E. Pilcher | 31 | Wife | — | Indiana |
| 72 | Harry W. Pilcher | 10 | Son | — | Iowa |
| 73 | Hugh Jr. Pilcher | 5 | Son | — | Iowa |
| 74 | Harold Donaldson | 39 | Head | Farmer | Iowa |
| 75 | Laura Donaldson | 71 | Mother | — | Iowa |
| 76 | Clarence Dearborn | 47 | Head | Farmer | Iowa |
| 77 | Bertha E. Dearborn | 46 | Wife | — | Iowa |
| 78 | Kenneth H. Dearborn | 13 | Son | — | Iowa |
| 79 | Caroline F. Hale | 68 | Head | Family Worker | Iowa |
| 80 | Ralph W. Hale | 34 | Son | Farmer | Iowa |
Related Census Records
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)