CD
Charles Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Charles Day across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents John & Faith — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Day |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Molder |
| Industry | National Mall + I |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 4-3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Molder |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1915 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Day | Head | — | 25 | ~1915 |
| Emma Day | Spouse | — | 25 | ~1915 |
| Carolyn Day | Daughter | — | 1 | ~1939 |
| Alberta Day | Daughter | — | 3 | ~1937 |
Census Appearances
1920
Marion, Indiana
Son, age 5
Marion, Indiana · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 15
Marion, Indiana · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Charles E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 25
Marion-County, Indiana · implied b. ~1915 — 4 household members
| Surname | Day |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Molder |
| Industry | National Mall + I |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 4-3 |
| 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 Charles Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Day (~0.92 confidence) and mother Faith Day (~0.92 confidence) and mother Bertha Day (~0.92 confidence) and father Walter Day (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Day
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Faith Day
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Bertha Day
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Walter Day
b. ~1894
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Day
Head · 1940 · age 25 · b. ~1915 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01129-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Jane Trobaugh | 10 | Daughter | — | Indiana |
| 42 | Joan Trobaugh | 8 | Daughter | — | Indiana |
| 43 | William Trobaugh | 5 | Son | — | Indiana |
| 44 | Jack Trobaugh | 3 | Son | — | Indiana |
| 45 | Walter Trobaugh | 0 | Son | — | Indiana |
| 46 | John Mccawferty | 63 | Head | Retired | Indiana |
| 47 | Lottie Mccawferty | 57 | Wife | — | Indiana |
| 48 | William Applegate | 78 | Head | Retired | Indiana |
| 49 | Emma Applegate | 76 | Wife | — | Indiana |
| 50 | Peter Vanoff | 27 | Boarder | Trackman | Yugoslavia |
| 51 | Ruby Vanoff | 22 | Boarder | — | Indiana |
| 52 | Cora M Brinson | 49 | Head | — | Indiana |
| 53 | Basel B Brinson | 21 | Son | Office | Indiana |
| 54 | Kenneth Brinson | 15 | Son | — | Indiana |
| 55 | Charles Jones | 36 | Head | Taxi Driver | Kentucky |
| 56 | Darlie Jones | 33 | Wife | — | Kentucky |
| 57 | Dorothy Jones | 17 | Daughter | — | Indiana |
| 58 | Billie Jones | 12 | Son | — | Indiana |
| 59 | Lucy Roberts | 79 | Head | — | Indiana |
| 60 | Charles Day THIS PERSON | 25 | Head | Molder | Indiana |
| 61 | Emma Day | 25 | Wife | — | Indiana |
| 62 | Alberta Day | 3 | Daughter | — | Indiana |
| 63 | Carolyn Day | 1 | Daughter | — | Indiana |
| 64 | Mary Patterson | 45 | Head | Ironer | Kentucky |
| 65 | Aileen Patterson | 19 | Daughter | — | Kentucky |
| 66 | Edith Patterson | 18 | Daughter | — | Kentucky |
| 67 | Carl Blackwell | 40 | Head | Laborer | Indiana |
| 68 | Edna Blackwell | 42 | Wife | — | Indiana |
| 69 | Joan Blackwell | 12 | Daughter | — | Indiana |
| 70 | Janice Blackwell | 11 | Daughter | — | Indiana |
| 71 | Ronald Blackwell | 8 | Son | — | Indiana |
| 72 | Mary Ann Blackwell | 6 | Daughter | — | Indiana |
| 73 | Merrill Chris Blackwell | 4 | Son | — | Indiana |
| 74 | Lennie B Glover | 40 | Head | Carrier | Indiana |
| 75 | Norma M Glover | 37 | Wife | — | Indiana |
| 76 | Dorothy A Glover | 16 | Daughter | Stenographer | Indiana |
Pedigree Summary
Charles
Gen 1 · 4 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)