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Leo Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Leo Miller across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Simon & Simon — first a son (b.~1904), then head of a 7-person household.
Age 36
b. ~1904
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Miller |
| Given Name | Leo M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Self |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Truck Driver |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1904 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| Leo Miller | Son | — | 36 | ~1904 |
| Nellie Miller | Spouse | — | 64 | ~1876 |
| Edward Miller | Son | — | 22 | ~1918 |
| Virginia Miller | Daughter | — | 20 | ~1920 |
| Thomas Miller | Head | — | 61 | ~1879 |
| Nellie Miller | Daughter | — | 28 | ~1912 |
| W Miller | Son | — | 29 | ~1911 |
Census Appearances
1920
Baltimore, Maryland
Son, age 15
Baltimore, Maryland · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 25
Baltimore, Maryland · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Mechanic |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 36
Baltimore-City-County, Maryland · implied b. ~1904 — 7 household members
| Surname | Miller |
| Given Name | Leo M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Truck driver |
| Industry | Self |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Leo Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Simon Miller (~0.92 confidence) and father Simon Miller (~0.92 confidence) and mother Cecelia Miller (~0.92 confidence) and mother Nellie Miller (~0.92 confidence) and father Thomas Miller (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Simon Miller
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Simon Miller
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Cecelia Miller
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Nellie Miller
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Thomas Miller
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
Leo Miller
Son · 1940 · age 36 · b. ~1904 · Maryland
★ You are viewing this record
Sibling
Virginia Miller
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Miller
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Miller
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Miller
Sibling · 1940 · age 22
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01519-00469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Wirt | 70 | Lodger | Band Sawyer | Penna |
| 42 | Hugh Brookhart | 20 | Head | Grease Man | Maryland |
| 43 | Frances X Brookhart | 18 | Wife | 5 | Maryland |
| 44 | Hugh Jr Brookhart | 0 | Son | — | Maryland |
| 45 | Edward Grieves | 23 | Head | Clerk | Maryland |
| 46 | Mildred X Grieves | 23 | Wife | 5 | Maryland |
| 47 | Edward Jr Grieves | 0 | Son | — | Maryland |
| 48 | Clarence Weshoff | 56 | Head | Custodian | Missouri |
| 49 | Irene E Weshoff | 53 | Wife | — | Maryland |
| 50 | Edward Helmicht | 50 | Brother in law | Iron Worker | Maryland |
| 51 | Elmer J Moore | 41 | Head | Salesman | Maryland |
| 52 | Johannah M Moore | 41 | Wife | 5 | Maryland |
| 53 | Howard F Moore | 21 | Son | Insurance Agt | Maryland |
| 54 | Harry R Seward | 27 | Head | — | Maryland |
| 55 | Edna X Strott | 48 | Mother | — | Maryland |
| 56 | Richard Healey | 44 | Lodger | — | Maryland |
| 57 | Elmer Epler | 53 | Head | Inspector | Penna |
| 58 | Margaret X Epler | 51 | Wife | Odd Jobs | Penna |
| 59 | Emma Ley | 26 | Lodger | Technician | Maryland |
| 60 | Mary Lu Wiles | 14 | Lodger | — | Maryland |
| 61 | Thomas Miller | 61 | Head | Railroad Engineer | Kansas |
| 62 | Nellie X Miller | 64 | Wife | 5 | Maryland |
| 63 | Leo M Miller THIS PERSON | 36 | Son | Truck Driver | Maryland |
| 64 | W Vernon Miller | 29 | Son | Plumber'S Helper | Maryland |
| 65 | Nellie J Miller | 28 | Daughter | — | Maryland |
| 66 | Edward Martin Miller | 22 | Son | — | Maryland |
| 67 | Virginia M Miller | 20 | Daughter | — | Maryland |
| 68 | Eugene A Kilduff | 26 | Head | Compositor | Maryland |
| 69 | Mary Hazel Kilduff | 23 | Wife | 5 | Maryland |
| 70 | Eugene A Jr Kilduff | 2 | Son | — | Maryland |
| 71 | Patricia C Kilduff | 0 | Daughter | — | Maryland |
| 72 | Margaret Pehler | 50 | Mother in law | House Keeper | Maryland |
| 73 | Clarence A Jr Pehler | 12 | Son | — | Maryland |
| 74 | Lewis H Markland | 44 | Head | Meter Reader | Maryland |
| 75 | Mary X Markland | 41 | Wife | — | Maryland |
| 76 | Mary G Markland | 15 | Daughter | — | Maryland |
| 77 | Shirley A Markland | 12 | Daughter | — | Maryland |
| 78 | Robert Jarrett | 61 | Lodger | Old Age Pension | Maryland |
| 79 | Frederick Johnston | 35 | Lodger | Cab Driver | Sweden |
| 80 | Maud Clark | 61 | Head | — | Virginia |
Pedigree Summary
Leo + 4 siblings
Gen 1 · 5 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)