DD
Donald Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leavenworth-County, Kansas
Our Model Tree links this Donald Davis across the 1920, 1930 and 1940 US Censuses in Leavenworth-County, Kansas (XGBoost, ~Confirmed), with identified parents Josephine & Oscar — first a son (b.~1916), then head of a 2-person household.
Age 24
b. ~1916
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Leavenworth-County, Kansas |
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Delaware Township |
| 1935 Residence (County) | Leavenworth |
| Additional Details | |
| Occupation | Laborer |
| Industry | Dairy Farm |
| Class of Worker | PW |
| Hours Worked | 80 |
| Income (1939) | 420 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Delaware Township |
| Est. Birth Year | ~1916 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Josephine Davis | Head | — | 59 | ~1881 |
| Donald Davis | Son | — | 24 | ~1916 |
Census Appearances
1920
Leavenworth, Kansas
Son, age 1
Leavenworth, Kansas · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Illinois |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Leavenworth, Kansas
Son, age 12
Leavenworth, Kansas · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Kansas |
| Occupation | Waiter |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Leavenworth-County, Kansas
Son, age 24
Leavenworth-County, Kansas · implied b. ~1916 — 2 household members
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Delaware Township |
| 1935 Residence (County) | Leavenworth |
| Occupation | Laborer |
| Industry | Dairy Farm |
| Class of Worker | PW |
| Hours Worked | 80 |
| Income (1939) | 420 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Donald Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Josephine Davis (~0.92 confidence) and father Oscar Davis (~0.92 confidence) and mother Velva Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Josephine Davis
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Oscar Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Velva Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Davis
Son · 1940 · age 24 · b. ~1916 · Kansas
★ 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 — Leavenworth-County, Kansas
Open full size
1940 US Federal Census — Leavenworth-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01240-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gerald Manson | 6 | Son | — | Kansas |
| 42 | Donald Manson | 2 | Son | — | Kansas |
| 43 | Willard G. Roberts | 48 | Head | Attendant | N. Carolina |
| 44 | Helen G. Roberts | 49 | Wife | — | New York |
| 45 | Eula L. Coles, Sr. | 39 | Head | Cook | Missouri |
| 46 | Mabel E. Coles, Sr. | 33 | Wife | — | Indiana |
| 47 | Kohl E. Coles, Sr. | 7 | Son | — | Kansas |
| 48 | Kennie E. Coles, Sr. | 6 | Son | — | Kansas |
| 49 | Robert E. Nauman | 52 | Head | Fireman | Kansas |
| 50 | Nellie M. Nauman | 50 | Wife | — | Illinois |
| 51 | Lodona H. Campbell | 75 | Mother-in-law | — | Illinois |
| 52 | James L. Hile | 30 | Head | Farm Manager | Missouri |
| 53 | Ethel L. Hile | 30 | Wife | — | Missouri |
| 54 | James Hile | 5 | Son | — | Missouri |
| 55 | Dorothy Hile | 4 | Daughter | — | Missouri |
| 56 | Elva Edler | 71 | Head | — | Kansas |
| 57 | James H. Woodyard | 50 | Head | Mess Attendant | Missouri |
| 58 | Juanita Woodyard | 27 | Wife | — | Missouri |
| 59 | Gee Hill | 48 | Head | Guard | Texas |
| 60 | Harriet Hill | 41 | Wife | — | New York |
| 61 | Josephine Davis | 59 | Head | — | Kansas |
| 62 | Donald Davis THIS PERSON | 24 | Son | Laborer | Kansas |
| 63 | Walter H. Dohan | 33 | Head | Truck Driver | Kansas |
| 64 | Larkin S. Dohan | 32 | Wife | — | Kansas |
| 65 | Walter H. Dohan | 1 | Son | — | Kansas |
| 66 | Jesse E. Moton | 55 | Head | — | Oklahoma |
| 67 | Leota L. Moton | 34 | Wife | Mess Attendant | Arkansas |
| 68 | Joe Ann Moton | 5 | Daughter | — | Kansas |
| 69 | Jesse M. Ray | 48 | Head | Green House Attendant | Mississippi |
| 70 | Emma S. Ray | 34 | Wife | — | Missouri |
| 71 | Dorothy M. Ray | 9 | Daughter | — | Oklahoma |
| 72 | Sarah Lienallen | 62 | Mother-in-law | — | Missouri |
| 73 | George T. Mandes | 46 | Head | Mess Attendant | Greece |
| 74 | Letra S. Mandes | 37 | Wife | — | Kansas |
| 75 | George Mandes | 17 | Son | Powder Man | Kansas |
| 76 | Rose Mary Mandes | 15 | Daughter | — | Indiana |
| 77 | Alice E. Mandes | 3 | Daughter | — | Kansas |
| 78 | Theodosia Mandes | 1 | Daughter | — | Kansas |
| 79 | Leo F. Metzger | 40 | Head | Dairy Labor | Kansas |
| 80 | Clara S. Metzger | 37 | Wife | — | Missouri |
Pedigree Summary
Donald
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)