MF
Mary Floyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Floyd across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Arthur & Esther — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Floyd |
| Given Name | Mary Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Old Augusta |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Assistant statistician |
| Industry | Statistics |
| Class of Worker | PW |
| Income (1939) | 203 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Assistant Statistician |
| Township / Ward | Old Augusta |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Floyd | Daughter | — | 23 | ~1917 |
| Arthur Floyd | Head | — | 44 | ~1896 |
| Eugene Floyd | Son | — | 16 | ~1924 |
| Lois Floyd | Daughter | — | 13 | ~1927 |
| Esther Floyd | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Marion, Indiana
Daughter, age 3
Marion, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Floyd |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 13
Marion, Indiana · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Floyd |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 23
Marion-County, Indiana · implied b. ~1917 — 5 household members
| Surname | Floyd |
| Given Name | Mary Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Old Augusta |
| 1935 Residence (County) | Marion |
| Occupation | Assistant statistician |
| Industry | Statistics |
| Class of Worker | PW |
| Income (1939) | 203 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mary Floyd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Floyd (~0.92 confidence) and mother Esther Floyd (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Floyd
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Esther Floyd
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Floyd
Daughter · 1940 · age 23 · b. ~1917 · Indiana
★ You are viewing this record
Sibling
Lois Floyd
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Floyd
Sibling · 1940 · age 16
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01076-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Huggs | 61 | Head | Trimmer | Indiana |
| 2 | Thomas Huggs | 22 | Son | Bus Tender | Indiana |
| 3 | Arthur Floyd | 44 | Head | Custodian | Indiana |
| 4 | Esther Floyd | 43 | Wife | — | Indiana |
| 5 | Mary Frances Floyd THIS PERSON | 23 | Daughter | Assistant Statistician | Indiana |
| 6 | Eugene Floyd | 16 | Son | — | Indiana |
| 7 | Lois Floyd | 13 | Daughter | — | Indiana |
| 8 | Leo Darling | 37 | Head | Labor | Indiana |
| 9 | Mary Darling | 36 | Wife | Waitress | Kentucky |
| 10 | Juanita Darling | 16 | Daughter | — | Indiana |
| 11 | Robert Darling | 14 | Son | — | Indiana |
| 12 | William Darling | 12 | Son | — | Indiana |
| 13 | Fred Darling | 7 | Son | — | Indiana |
| 14 | Irma Darling | 4 | Daughter | — | Indiana |
| 15 | Claire Myers | 5 | Daughter | — | Indiana |
| 16 | Patricia Ann Myers | 2 | Daughter | — | Indiana |
| 17 | George Darling | 68 | Father | — | Indiana |
| 18 | John Foster | 81 | Head | — | Indiana |
| 19 | Stella Kendall | 63 | Practical nurse | Practical Nurse | Indiana |
| 20 | Stephen Haugh | 76 | Head | Operator | Indiana |
| 21 | Mary J. Haugh | 69 | Wife | Cook | Indiana |
| 22 | Frank Osborn | 58 | Head | Laborer | Indiana |
| 23 | Hattie Mae Osborn | 57 | Wife | — | Indiana |
| 24 | Luther Coble | 43 | Head | School Bus Driver | Indiana |
| 25 | Frances Coble | 42 | Wife | — | Indiana |
| 26 | Jerry Coble | 15 | Son | — | Indiana |
| 27 | Roscoe J. Wilson | 37 | Head | Salesman | Indiana |
| 28 | Mary L. Wilson | 32 | Wife | — | Indiana |
| 29 | Alice Wilson | 14 | Daughter | — | Indiana |
| 30 | Donald Wilson | 13 | Son | — | Indiana |
| 31 | Milo Hollingsworth | 39 | Head | Laborer | Indiana |
| 32 | Edith Hollingsworth | 33 | Wife | — | Indiana |
| 33 | Robert Daglish | 27 | Head | Sorter | Indiana |
| 34 | Mildred Daglish | 23 | Wife | — | Indiana |
| 35 | Marilyn Ann Daglish | 3 | Daughter | — | Indiana |
| 36 | John Lowell Daglish | 1 | Son | — | Indiana |
| 37 | Harry P. Haislup | 48 | Head | Assistant Purchasing Agent | Indiana |
| 38 | Lena Q. Haislup | 47 | Wife | — | Indiana |
| 39 | Ernest Darling | 58 | Head | Labor | Indiana |
| 40 | James Bartley | 62 | Head | — | Indiana |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 2 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)