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William Cole — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allamakee-County, Iowa
Our Model Tree links this William Cole across the 1920, 1930 and 1940 US Censuses in Allamakee-County, Iowa (XGBoost, ~Confirmed), with identified parents Mae & Rose — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allamakee-County, Iowa |
| Surname | Cole |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Postville |
| Additional Details | |
| Occupation | Railroad |
| Industry | PW |
| Class of Worker | 244 |
| Highest Grade | Hs 4 |
| 1935 Residence | 48 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Railroad |
| Township / Ward | Postville |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Harry Cole | Head | — | 51 | ~1889 |
| William Cole | Son | — | 21 | ~1919 |
| Shafer Cole | Son | — | 23 | ~1917 |
| Rose Cole | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Allamakee, Iowa
Son, age 1
Allamakee, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cole |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Allamakee, Iowa
Son, age 11
Allamakee, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cole |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Allamakee-County, Iowa
Son, age 21
Allamakee-County, Iowa · implied b. ~1919 — 4 household members
| Surname | Cole |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Postville |
| Occupation | Railroad |
| Industry | PW |
| Class of Worker | 244 |
| Highest Grade | Hs 4 |
| 1935 Residence | 48 |
| 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 William Cole across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mae Cole (~0.92 confidence) and mother Rose Cole (~0.92 confidence) and mother Rose Cole (~0.92 confidence) and father Harry Cole (~0.92 confidence) and father Harry Cole (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mae Cole
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Rose Cole
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Rose Cole
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Harry Cole
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Harry Cole
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Cole
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Shafer Cole
Sibling · 1940 · age 23
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 — Allamakee-County, Iowa
Open full size
1940 US Federal Census — Allamakee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-01133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cort Arlene L Cox | 5 | Daughter | — | Iowa |
| 42 | James W Steele | 66 | Head | — | Iowa |
| 43 | Frances M Steele | 57 | Wife | — | Iowa |
| 44 | Joseph B Steele | 22 | Son | — | Iowa |
| 45 | Milda Grater | 30 | Head | Sandwich Shop | Iowa |
| 46 | Dorothy A Grater | 12 | Daughter | — | Iowa |
| 47 | James Grater | 5 | Son | — | Iowa |
| 48 | Keith Overbeck | 19 | Lodger | Salesman | Iowa |
| 49 | George Kohlman | 61 | Head | Clothing Store | Germany |
| 50 | Albuta Kohlman | 59 | Wife | — | Iowa |
| 51 | Elizabeth Kohlman | 24 | Daughter | — | Iowa |
| 52 | Eliza Duggan | 85 | Mother-in-law | — | Illinois |
| 53 | Harvey Christopherson | 33 | Head | Usa | Iowa |
| 54 | Joan Christopherson | 34 | Wife | — | Iowa |
| 55 | Joan Christopherson | 5 | Daughter | — | Iowa |
| 56 | Janis Christopherson | 2 | Daughter | — | Iowa |
| 57 | Evelyn Monsen | 17 | Lodger | — | Iowa |
| 58 | Hugh Sheppard | 86 | Head | — | Scotland |
| 59 | Leonarda Sheppard | 74 | Wife | — | Iowa |
| 60 | Harry D Cole | 51 | Head | Medicine | Iowa |
| 61 | Rose Cole | 52 | Wife | — | Iowa |
| 62 | Shafer H-Ab Cole | 23 | Son | Grocery Store | Iowa |
| 63 | William Cole THIS PERSON | 21 | Son | Railroad | Iowa |
| 64 | Lester Harnack | 44 | Head | — | Iowa |
| 65 | Edna Harnack | 42 | Wife | — | Iowa |
| 66 | Marjorie Harnack | 14 | Daughter | — | Iowa |
| 67 | Charlene Harnack | 12 | Daughter | — | Iowa |
| 68 | Keith Grey | 47 | Head | Post Office | Iowa |
| 69 | Louise Grey | 41 | Wife | — | Iowa |
| 70 | Earl S Grey | 21 | Son | — | Iowa |
| 71 | Roland K Grey | 18 | Son | School Library | Iowa |
| 72 | John Powers | 70 | Head | Own | Iowa |
| 73 | Rose Powers | 68 | Wife | — | Iowa |
| 74 | George R Hartley | 47 | Head | Owner | Iowa |
| 75 | Grace E Hartley | 48 | Wife | — | Iowa |
| 76 | William Desmond | 44 | Lodger | Maid | England |
| 77 | Marguerite Stockton | 30 | Lodger | Maid | Iowa |
| 78 | Anna Seni | 71 | Head | — | Iowa |
| 79 | Clorice Clark | 25 | Lodger | Bookkeeper | Iowa |
| 80 | Leslie Klasson | 32 | Lodger | Trimmer | Iowa |
Pedigree Summary
William + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)