JD
James Donahue — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Colorado
Our Model Tree links this James Donahue across the 1920, 1930 and 1940 US Censuses in Morgan-County, Colorado (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Colorado |
| Surname | Donahue |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Fort Morgan |
| 1935 Residence (County) | Morgan |
| Additional Details | |
| Occupation | car salesman |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 700 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Car Salesman |
| Township / Ward | Fort Morgan |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Janet Donahue | Daughter | — | 15 | ~1925 |
| Mabel Donahue | Spouse | — | 37 | ~1903 |
| James Donahue | Head | — | 40 | ~1900 |
Census Appearances
1920
Morgan, Colorado
Son, age 20
Morgan, Colorado · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohoo |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Sugar factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Morgan, Colorado
Son, age 30
Morgan, Colorado · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahoo |
| Given Name | James C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Gas |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Morgan-County, Colorado
Head, age 40
Morgan-County, Colorado · implied b. ~1900 — 3 household members
| Surname | Donahue |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Fort Morgan |
| 1935 Residence (County) | Morgan |
| Occupation | car salesman |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 700 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 James Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Donohoo (~0.92 confidence) and father Edward Donahoo (~0.92 confidence) and mother Mattie Donohoo (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Donohoo
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Edward Donahoo
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mattie Donohoo
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Donahue
Head · 1940 · age 40 · b. ~1900 · Colorado
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Morgan-County, Colorado
Open full size
1940 US Federal Census — Morgan-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-00584)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Phinney | 75 | head | — | New York |
| 2 | Christine Phinney | 66 | wife | Chiropractor | Illinois |
| 3 | E. A. Burnes | 53 | head | Real Estate | Missouri |
| 4 | Cora Burnes | 57 | wife | — | Kansas |
| 5 | Paul Johnson | 49 | head | Auto Salesman | Illinois |
| 6 | Evelyn Johnson | 41 | wife | — | Colorado |
| 7 | Raymond Johnson | 17 | son | Newsboy | Colorado |
| 8 | Maurice Johnson | 14 | son | — | Colorado |
| 9 | Lee De Vore | 61 | head | Filling Station Operator | Missouri |
| 10 | Elizabeth De Vore | 44 | wife | — | Iowa |
| 11 | W. H. Mccullough | 78 | lodger | — | Pennsylvania |
| 12 | David Henderson | 23 | lodger | Assistant Manager | Kansas |
| 13 | Charles J. Wolff | 63 | head | Owner | Illinois |
| 14 | Mary E. Wolff | 63 | wife | — | Iowa |
| 15 | Lyman Ellebury | 24 | head | Farm Security | Wyoming |
| 16 | Mary Ellebury | 24 | wife | — | Colorado |
| 17 | John Able | 27 | head | Trucker | Canada |
| 18 | Margaret Able | 23 | wife | — | Nebraska |
| 19 | James Donahue THIS PERSON | 40 | head | Car Salesman | Missouri |
| 20 | Mabel Donahue | 37 | wife | Beet Sugar | Kansas |
| 21 | Janet Donahue | 15 | daughter | — | Colorado |
| 22 | Clarence Gray | 41 | head | Line Foreman | Kentucky |
| 23 | Mayme Gray | 36 | wife | — | Tennessee |
| 24 | Geo. Hodgkinson | 63 | head | Odd Jobs | Illinois |
| 25 | Blanche James | 38 | head | Lunch Room Manager | Nebraska |
| 26 | Mary Garner | 65 | head | — | Iowa |
| 27 | Jackson Jamison | 40 | head | Tobacco & Candy Salesman | Indiana |
| 28 | Sylvia Jamison | 38 | wife | Waitress | Missouri |
| 29 | Robert Jamison | 18 | son | Waiter | Colorado |
| 30 | Elmer Jamison | 15 | son | Grocery Clerk | Colorado |
| 31 | Gordon Jamison | 8 | son | — | Colorado |
| 32 | Thomas Jamison | 4 | son | — | Colorado |
| 33 | Geraldine Patterson | 19 | daughter | — | Colorado |
| 34 | Opal Wolfe | 23 | lodger | Housework | Colorado |
| 35 | Virginia Roe | 19 | servant | Housework | Iowa |
| 36 | Orville E. Stokes | 77 | head | Harness Maker | Kentucky |
| 37 | Hattie B. Stokes | 71 | wife | — | Indiana |
| 38 | Alick Olson | 46 | head | Farmer | Illinois |
| 39 | Lillian Olson | 46 | wife | Manager | Michigan |
| 40 | Bob Olson | 19 | son | Bus Driver | Colorado |
Pedigree Summary
James
Gen 1 · 3 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)