MC
Mary Crane — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Iowa
Our Model Tree links this Mary Crane across the 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Iowa |
| Surname | Crane |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Denison |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Denison |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patricia Crane | Son | — | 4 | ~1936 |
| George Bral | Son | — | 19 | ~1921 |
| Billie Crane | Son | — | 12 | ~1928 |
| Howard Crane | Head | — | 44 | ~1896 |
| Bobby Crane | Son | — | 4 | ~1936 |
| Shirley Crane | Daughter | — | 10 | ~1930 |
| Phyllis Crane | Daughter | — | 2 | ~1938 |
| Josephine Crane | Spouse | — | 40 | ~1900 |
| Mary Crane | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Crawford, Iowa
Daughter, age 4
Crawford, Iowa · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crane |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Crawford-County, Iowa
Daughter, age 14
Crawford-County, Iowa · implied b. ~1926 — 9 household members
| Surname | Crane |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Denison |
| 1935 Residence (County) | Crawford |
| Highest Grade | No 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 Crane across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Crane
Daughter · 1940 · age 14 · b. ~1926 · Iowa
★ You are viewing this record
Sibling
George Bral
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Crane
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Crane
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Crane
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Crane
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Crane
Sibling · 1940 · age 10
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 — Crawford-County, Iowa
Open full size
1940 US Federal Census — Crawford-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01152-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Lee Crouch | 2 | Son | — | Iowa |
| 42 | Alvin Crouch | 21 | Head | Truck Driver | Iowa |
| 43 | Loween Crouch | 18 | Wife | — | Iowa |
| 44 | Bonnie J. Crouch | 0 | Daughter | — | Iowa |
| 46 | Thomas W. Albert | 73 | Head | Farmer | Iowa |
| 47 | Helen E. Albert | 34 | Wife | — | Iowa |
| 48 | Billie Ann Albert | 13 | Daughter | — | Iowa |
| 49 | Helen Jean Albert | 11 | Daughter | — | Iowa |
| 50 | Ralph Weber | 46 | Head | Farmer | Iowa |
| 51 | Bernice Weber | 42 | Wife | — | Iowa |
| 52 | Erwin Steir | 22 | Hired man | Farmer | Iowa |
| 53 | William F. Hammer | 47 | Head | Unloading Coal | Iowa |
| 54 | Clara E. Hammer | 47 | Wife | — | Iowa |
| 55 | Elizabeth Hammer | 17 | Daughter | — | Iowa |
| 56 | Melvin Hammer | 15 | Son | New Work | Iowa |
| 57 | Betty Hammer | 13 | Daughter | — | Iowa |
| 58 | Donald Hammer | 12 | Son | — | Iowa |
| 59 | Luella Hammer | 7 | Daughter | — | Iowa |
| 60 | Marcella Hammer | 4 | Daughter | — | Iowa |
| 61 | John Jr. Fastje | 48 | Head | Decorator | Iowa |
| 62 | Dena A. Fastje | 38 | Wife | — | Iowa |
| 63 | Robert C. Fastje | 18 | Son | Decorator | Iowa |
| 64 | John R. Fastje | 16 | Son | — | Iowa |
| 65 | Howard S. Crane | 44 | Head | Truck Driver | Indiana |
| 66 | Josephine Crane | 40 | Wife | — | Iowa |
| 67 | Mary Crane THIS PERSON | 14 | Daughter | — | Iowa |
| 68 | Billie Crane | 12 | Son | — | Iowa |
| 69 | Shirley Crane | 10 | Daughter | — | Iowa |
| 70 | Patricia Crane | 4 | Son | — | Iowa |
| 71 | Bobby Crane | 4 | Son | — | Iowa |
| 72 | Phyllis J. Crane | 2 | Daughter | — | Iowa |
| 73 | George Bral | 19 | Son | New Worker | Iowa |
| 74 | Kathryn Pelley | 67 | Head | — | Ohio |
| 75 | Harold Jensen | 33 | Head | Carpenter | Iowa |
| 76 | Anna A. Jensen | 29 | Wife | — | Iowa |
| 77 | Betty Lou Jensen | 7 | Daughter | — | Iowa |
| 78 | Gordon Jensen | 0 | Son | — | Iowa |
| 79 | Bertha M. Borecky | 43 | Head | Seamstress | Iowa |
| 80 | Allen Borecky | 18 | Son | Clerk | 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)