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Gertrude Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Gertrude Miller across the 1920, 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed), with identified parents Fred & Frank — first a daughter (b.~1899), then head of a 6-person household.
Age 41
b. ~1899
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Miller |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Hammond City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Stenographer |
| Township / Ward | Hammond City |
| Est. Birth Year | ~1899 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Miller | Daughter | — | 41 | ~1899 |
| Elaine Rea | Daughter | — | 12 | ~1928 |
| Caroline Rea | Daughter | — | 15 | ~1925 |
| Louisa Miller | Head | — | 62 | ~1878 |
| John Rea | Other | — | 41 | ~1899 |
| Milroy Miller | Son | — | 32 | ~1908 |
Census Appearances
1920
Lake, Indiana
Daughter, age 21
Lake, Indiana · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Stenographer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Lake, Indiana
Daughter, age 31
Lake, Indiana · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Stenographer |
| Industry | Steam railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Daughter, age 41
Lake-County, Indiana · implied b. ~1899 — 6 household members
| Surname | Miller |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Hammond City |
| 1935 Residence (County) | Lake |
| Occupation | Stenographer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-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 Gertrude Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Miller (~0.92 confidence) and father Frank Miller (~0.92 confidence) and mother Louise Miller (~0.92 confidence) and mother Louisa Miller (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Miller
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Frank Miller
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Louise Miller
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Louisa Miller
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Miller
Daughter · 1940 · age 41 · b. ~1899 · Indiana
★ You are viewing this record
Sibling
Milroy Miller
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caroline Rea
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Rea
Sibling · 1940 · age 12
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01067-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William A Ruhm | 73 | Head | Gardner | Germany |
| 2 | Louisa Ruhm | 62 | Wife | — | Germany |
| 3 | Jacob Backman | 29 | Son-in-law | Accountant | Indiana |
| 4 | Clara D Backman | 27 | Daughter | — | Indiana |
| 5 | William E Backman | 1 | Grandson | — | Illinois |
| 6 | Marion S Farley | 57 | Head | — | Scotland |
| 7 | Melissa Gordon | 40 | Lodger | Floor Lady | Indiana |
| 8 | Edward Behring | 57 | Head | Janitor | Indiana |
| 9 | Minnie Behring | 47 | Wife | Janitress | Indiana |
| 10 | Edwin Behring | 21 | Son | Laborer | Indiana |
| 11 | Gladys Behring | 16 | Daughter | — | Indiana |
| 12 | Edward F Behring | 28 | Son | Truck Driver | Indiana |
| 13 | Gertrude Behring | 27 | Daughter | — | Michigan |
| 14 | Edwin M Behring | 4 | Grandson | — | Indiana |
| 15 | Louisa D Miller | 62 | Head | — | Indiana |
| 16 | Gertrude Miller THIS PERSON | 41 | Daughter | Stenographer | Indiana |
| 17 | Milroy Miller | 32 | Son | Estimator | Indiana |
| 18 | John C Rea | 41 | Son-in-law | Bookkeeper | Indiana |
| 19 | Caroline Rea | 15 | Daughter | — | Indiana |
| 20 | Elaine Rea | 12 | Daughter | — | Indiana |
| 21 | Marie S Kasten | 76 | Head | — | Germany |
| 22 | Theodore Kasten | 48 | Son | Switchman | Germany |
| 23 | Charlotte Kasten | 44 | Daughter | Bookkeeper | Germany |
| 24 | John D Bauman | 41 | Head | Manager | Illinois |
| 25 | Alma Bauman | 38 | Wife | — | Indiana |
| 26 | John Bauman | 2 | Son | — | Indiana |
| 27 | William H Diercks | 44 | Head | Music Instructor | Iowa |
| 28 | Hilda Diercks | 38 | Wife | — | Massachusetts |
| 29 | William Diercks | 13 | Son | — | Indiana |
| 30 | Cassriel Diercks | 10 | Daughter | — | Indiana |
| 31 | Russell Van Horn | 62 | Head | Realtor | Ohio |
| 32 | Anna L Van Horn | 57 | Wife | — | Indiana |
| 33 | Clarence Auler | 54 | Head | Freight Conductor | Michigan |
| 34 | Hazel Auler | 47 | Wife | — | Nebraska |
| 35 | Edward Auler | 19 | Son | Billing Clerk | Indiana |
| 36 | Raymond Sandberg | 29 | Head | Electrician | Indiana |
| 37 | Iona Sandberg | 25 | Wife | — | Indiana |
| 38 | George A Kuhne | 50 | Head | Draftsman | Germany |
| 39 | Elizabeth Kuhne | 38 | Wife | — | Germany |
| 40 | Harry F Jewett | 30 | Lodger | Electrical Maintenance | Massachusetts |
Pedigree Summary
Gertrude + 3 siblings
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)