MC
Mary Crane — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cassia-County, Idaho
Our Model Tree links this Mary Crane across the 1930 and 1940 US Censuses in Cassia-County, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cassia-County, Idaho |
| Surname | Crane |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Unity Precinct |
| 1935 Residence (County) | Cassia |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Unity Precinct |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lydon Crane | Son | — | 22 | ~1918 |
| Calvin Crane | Son | — | 12 | ~1928 |
| Paul Crane | Son | — | 20 | ~1920 |
| Marjorie Crane | Daughter | — | 2 | ~1938 |
| Danford Crane | Son | — | 10 | ~1930 |
| Elmer Crane | Head | — | 50 | ~1890 |
| Mary Crane | Daughter | — | 15 | ~1925 |
| Elma Crane | Daughter | — | 17 | ~1923 |
| Mary Crane | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Cassia, Idaho
Daughter, age 5
Cassia, Idaho · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crane |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Cassia-County, Idaho
Daughter, age 15
Cassia-County, Idaho · implied b. ~1925 — 9 household members
| Surname | Crane |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Unity Precinct |
| 1935 Residence (County) | Cassia |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 15 · b. ~1925 · Idaho
★ You are viewing this record
Sibling
Elma Crane
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Crane
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Crane
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Danford Crane
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydon Crane
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Crane
Sibling · 1940 · age 2
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 — Cassia-County, Idaho
Open full size
1940 US Federal Census — Cassia-County, Idaho
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00744-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Keith Meldrum | 10 | son | — | Idaho |
| 42 | Barbara Ann Meldrum | 6 | daughter | — | Idaho |
| 43 | Carol Gene Meldrum | 2 | daughter | — | Idaho |
| 44 | Marlow Apet|Apel | 35 | head | Farm Operator | Nebraska |
| 45 | Opal Morton | 35 | head | Farm Operator | Nebraska |
| 46 | Raymond Morton | 14 | son | — | Nebraska |
| 47 | Ervin Morton | 12 | son | — | Nebraska |
| 48 | Marion Morton | 10 | son | — | Nebraska |
| 49 | Vivian Morton | 8 | daughter | — | Nebraska |
| 50 | Shirley Morton | 4 | daughter | — | Nebraska |
| 51 | Larry Morton | 2 | son | — | Idaho |
| 52 | Hyrum A. Harris | 58 | head | Farm Operator | Utah |
| 53 | Laura Harris | 53 | wife | — | Utah |
| 54 | Lila Harris | 9 | daughter | — | Idaho |
| 55 | Charlotte Randall | 76 | wife-m-l | — | England |
| 56 | Magnus Madsen | 36 | head | Farm Operator | Norway |
| 57 | Goldie Madsen | 32 | wife | — | Utah |
| 58 | Bertha Madsen | 15 | daughter | — | Idaho |
| 59 | Eva Jean Madsen | 13 | daughter | — | Idaho |
| 60 | Magnus Jr. Madsen | 11 | son | — | Idaho |
| 61 | Ray Madsen | 8 | son | — | Idaho |
| 62 | La Mar Madsen | 2 | son | — | Idaho |
| 63 | Elmer L. Crane | 50 | head | Farm Operator | Utah |
| 64 | Mary Crane | 44 | wife | — | Utah |
| 65 | Lydon Crane | 22 | son | Farm Hand | Utah |
| 66 | Paul Crane | 20 | son | Farm Hand | Idaho |
| 67 | Elma Crane | 17 | daughter | — | Idaho |
| 68 | Mary Lou Crane THIS PERSON | 15 | daughter | — | Idaho |
| 69 | Calvin Crane | 12 | son | — | Idaho |
| 70 | Danford Crane | 10 | son | — | Idaho |
| 71 | Marjorie Crane | 2 | daughter | — | Idaho |
| 72 | Thomas Pajardo | 53 | head | Farm Operator | Nevada |
| 73 | Richard Pajardo | 47 | brother | Farm Hand | Nevada |
| 74 | George A. Roold | 53 | head | Farm Operator | Utah |
| 75 | Mary Roold | 52 | wife | — | Idaho |
| 76 | Murray Roold | 17 | son | — | Idaho |
| 77 | Luella Roold | 15 | daughter | — | Idaho |
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)