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John Donahue — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pocahontas-County, Iowa
Our Model Tree links this John Donahue across the 1920, 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed), with identified parents Bridget & Bridget — first a son (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, Iowa |
| Surname | Donahue |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lake Twp |
| 1935 Residence (County) | Pocahontas |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Lake Twp |
| Est. Birth Year | ~1896 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Nellie Donahue | Daughter | — | 43 | ~1897 |
| Bridget Donahue | Head | — | 73 | ~1867 |
| John Donahue | Son | — | 44 | ~1896 |
| Thomas Donahue | Son | — | 47 | ~1893 |
Census Appearances
1920
Pocahontas, Iowa
Son, age 24
Pocahontas, Iowa · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahoe |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pocahontas, Iowa
Son, age 34
Pocahontas, Iowa · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pocahontas-County, Iowa
Son, age 44
Pocahontas-County, Iowa · implied b. ~1896 — 4 household members
| Surname | Donahue |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lake Twp |
| 1935 Residence (County) | Pocahontas |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 John Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bridget Donahoe (~0.92 confidence) and mother Bridget Donahue (~0.92 confidence) and mother Hazel Zelle (~0.50 confidence) and father Lester Zelle (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.71
Mother
Bridget Donahoe
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Bridget Donahue
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Hazel Zelle
b. ~1900
Source mother
● Household
· direct · ~0.5
Father
Lester Zelle
b. ~1902
Source father
● Household
· direct · ~0.5
This person
Anchor record
John Donahue
Son · 1940 · age 44 · b. ~1896 · Iowa
★ You are viewing this record
Sibling
Nellie Donahue
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donahue
Sibling · 1940 · age 47
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 — Pocahontas-County, Iowa
Open full size
1940 US Federal Census — Pocahontas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01191-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert A. Duhshian|Duhshiau | 16 | Son | Farm Laborer | Iowa |
| 2 | Carl E. Duhshian|Duhshiau | 7 | Son | — | Iowa |
| 3 | Colleen D. Duhshian|Duhshiau | 6 | Daughter | — | Iowa |
| 4 | John A. Vitt | 54 | Head | Farmer | Iowa |
| 5 | Roger J. Vitt | 9 | Son | — | Iowa |
| 6 | Margueritte Mackley | 24 | Daughter | — | Iowa |
| 7 | Glesne D. Mackley | 3 | Grand-son | — | Iowa |
| 8 | Iren M. Mackley | 2 | Grand-daughter | — | Iowa |
| 9 | Lloyd Pohl | 22 | Hired-hand | Farm Laborer | Iowa |
| 10 | J. Dan Healy | 62 | Head | Farmer | Iowa |
| 11 | Euthenia Healy | 64 | Wife | — | Iowa |
| 12 | Margaret C. Kirby | 57 | Head | — | Illinois |
| 13 | George E. Kirby | 28 | Son | Farmer | Iowa |
| 14 | Ivan J. Kirby | 23 | Son | Farm Laborer | Iowa |
| 15 | Donald J. Kirby | 19 | Son | — | Iowa |
| 16 | Enno V. Donnath | 29 | Head | Farmer | Iowa |
| 17 | Mildred V. Donnath | 24 | Wife | — | Iowa |
| 18 | Mardella L. Donnath | 1 | Daughter | — | Iowa |
| 19 | William H. Roach | 48 | Head | Farmer | Illinois |
| 20 | Rena G. Roach | 44 | Wife | — | Iowa |
| 21 | Lena A. Roach | 22 | Daughter | Teacher | Iowa |
| 22 | George H. Vrieght | 35 | Head | Farmer | Iowa |
| 23 | Doris L. Vrieght | 30 | Wife | — | Iowa |
| 24 | Roy H. Vrieght | 6 | Son | — | Iowa |
| 25 | Bridget Donahue | 73 | Head | — | Pennsylvania |
| 26 | Thomas J. Donahue | 47 | Son | Farmer | Iowa |
| 27 | John J. Donahue THIS PERSON | 44 | Son | Farmer | Iowa |
| 28 | Nellie Donahue | 43 | Daughter | Teacher | Iowa |
| 29 | Jack H. Kelley | 41 | Head | Farmer | Arkansas |
| 30 | Anna K. Kelley | 36 | Wife | — | Iowa |
| 31 | John G. Kelley | 2 | Son | — | Iowa |
| 32 | Sol Kipper | 40 | Head | Farmer | Canada |
| 33 | Viola Kipper | 29 | Wife | — | Minnesota |
| 34 | Eugene Kipper | 15 | Son | Farm Laborer | Iowa |
| 35 | George Assing | 73 | Head | Farmer | Germany |
| 36 | Lena S. Assing | 69 | Wife | — | Iowa |
| 37 | Theda M. Donnath | 52 | Head | — | Germany |
| 38 | John H. Donnath | 25 | Son | Hired Manager | Iowa |
| 39 | Louise M. Donnath | 20 | Daughter | — | Iowa |
| 40 | Gerhard A. Donnath | 17 | Son | — | Iowa |
Pedigree Summary
John + 2 siblings
Gen 1 · 4 parents
~0.71
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)