MD
Martha Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Martha Davis across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Edward & Jessie — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Receptionist |
| Industry | Dance Studio |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Receptionist |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Jane Davis | Daughter | — | 25 | ~1915 |
| Martha Davis | Daughter | — | 22 | ~1918 |
| Ruth Davis | Daughter | — | 16 | ~1924 |
| Edward Davis | Head | — | 52 | ~1888 |
| Jessie Davis | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Hennepin, Minnesota
Daughter, age 1
Hennepin, Minnesota · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Daughter, age 12
Hennepin, Minnesota · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 22
Hennepin-County, Minnesota · implied b. ~1918 — 5 household members
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | Receptionist |
| Industry | Dance Studio |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Martha Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Davis (~0.92 confidence) and mother Jessie Davis (~0.92 confidence) and mother Jessie Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Davis
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Jessie Davis
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Jessie Davis
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha Davis
Daughter · 1940 · age 22 · b. ~1918 · Minnesota
★ You are viewing this record
Sibling
Ruth Davis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Davis
Sibling · 1940 · age 25
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01976-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward S. Davis | 52 | Head | Professor | Indiana |
| 2 | Jessie Davis | 47 | Wife | — | Indiana |
| 3 | Jane Davis | 25 | Daughter | Editor | Minnesota |
| 4 | Martha Davis THIS PERSON | 22 | Daughter | Receptionist | Minnesota |
| 5 | Ruth Davis | 16 | Daughter | — | Minnesota |
| 6 | Anna L. Peterson | 45 | Head | State Board | Minnesota |
| 7 | Mabel Peterson | 51 | Sister | Librarian | Minnesota |
| 8 | Anna S. Peterson | 78 | Mother | — | Sweden |
| 9 | Donald Peterson | 34 | Brother | Accountant | Minnesota |
| 10 | Thomas Maddock | 42 | Head | Capt. U.S. Army | Michigan |
| 11 | Margaret Maddock | 44 | Wife | — | Vermont |
| 12 | Barbara Maddock | 19 | Daughter | — | Georgia |
| 13 | Jane S. Smith | 77 | Head | — | Scotland |
| 14 | Dora V. Smith | 47 | Daughter | Professor | Minnesota |
| 15 | Jerry B. Smith | 46 | Daughter | Teacher | England |
| 16 | Henry Rottschaefer | 51 | Head | Professor | Netherlands |
| 17 | Helen Rottschaefer | 47 | Wife | — | New Jersey |
| 18 | William F. Rottschaefer | 19 | Son | — | New Jersey |
| 19 | Judith F. Rottschaefer | 15 | Daughter | — | Minnesota |
| 20 | Agnes F. Grover | 73 | Mother-in-law | — | New York |
| 21 | John F. Kapala | 59 | Head | Cabinet Maker | Poland |
| 22 | Mary B. Kapala | 56 | Wife | — | Poland |
| 23 | Genevieve F. Kapala | 31 | Daughter | Manager | Minnesota |
| 24 | Frank J. Kapala | 30 | Son | Bookkeeper | Minnesota |
| 25 | Henry S. Kapala | 29 | Son | Office Clerk | Minnesota |
| 26 | Eunice A. Kapala | 27 | Daughter | Cashier | Minnesota |
| 27 | Henrietta Kapala | 26 | Daughter | Cashier | Minnesota |
| 28 | Aloysius Kapala | 23 | Son | Stock Room | Minnesota |
| 29 | Stanley Kapala | 18 | Son | — | Minnesota |
| 30 | Raymond Kapala | 15 | Son | — | Minnesota |
| 31 | Thomas Mcfadden | 57 | Head | Editor | Minnesota |
| 32 | Agnes Mcfadden | 47 | Wife | — | Minnesota |
| 33 | Patricia Mcfadden | 18 | Daughter | — | Minnesota |
| 34 | Greta Mcfadden | 17 | Daughter | — | Minnesota |
| 35 | Mary T. Van Cleve | 83 | Head | — | Illinois |
| 36 | Mary F. Van Cleve | 66 | Daughter | Librarian | Rhode Island |
| 37 | Horatio P. Van Cleve | 58 | Son | Alderman | Minnesota |
| 38 | Eractia Van Cleve | 52 | Daughter-in-law | Piano Tuner | Minnesota |
| 39 | Eunice W. Van Cleve | 23 | Daughter | — | Minnesota |
| 40 | Horatio P. Jr. Van Cleve | 20 | Nephew | — | New Jersey |
Related Census Records
Pedigree Summary
Martha + 2 siblings
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)