LM
Lawrence Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Johnson-County, Iowa
Our Model Tree links this Lawrence Miller across the 1920, 1930 and 1940 US Censuses in Johnson-County, Iowa (XGBoost, ~Confirmed), with identified parents Emma — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Iowa |
| Surname | Miller |
| Given Name | Lawrence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Occupation | gas salesman |
| Industry | retail gas |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 416 |
| Highest Grade | H 2 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Gas Salesman |
| Township / Ward | Washington |
| Est. Birth Year | ~1911 |
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 Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Miller | Daughter | — | 4 | ~1936 |
| Lawrence Miller | Head | — | 29 | ~1911 |
| Gary Miller | Son | — | 2 | ~1938 |
| Kathryn Miller | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Washington, Iowa
Son, age 9
Washington, Iowa · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Washington, Iowa
Son, age 19
Washington, Iowa · implied b. ~1911 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Lawrence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Indiana |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Johnson-County, Iowa
Head, age 29
Johnson-County, Iowa · implied b. ~1911 — 4 household members
| Surname | Miller |
| Given Name | Lawrence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Johnson |
| Occupation | gas salesman |
| Industry | retail gas |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 416 |
| Highest Grade | H 2 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Lawrence Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Miller (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Miller
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Miller
Head · 1940 · age 29 · b. ~1911 · Iowa
★ 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 — Johnson-County, Iowa
Open full size
1940 US Federal Census — Johnson-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01171-00927)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank E Rhodes | 41 | Head | Farmer | Iowa |
| 42 | Lavanda M Rhodes | 38 | Wife | Housewife | Iowa |
| 43 | Robert E. Rhodes | 14 | Son | Student | Iowa |
| 44 | Margaret J. Rhodes | 12 | Daughter | — | Iowa |
| 45 | Marjorie Rhodes | 12 | Daughter | — | Iowa |
| 46 | Wanda L. Rhodes | 8 | Daughter | — | Iowa |
| 47 | Charles E Gosnell | 19 | Hired | Laborer | Iowa |
| 48 | Vernie Kinsinger | 43 | Head | Farmer | Iowa |
| 49 | Ethel Kinsinger | 46 | Wife | Housewife | Maryland |
| 50 | Orville Kinsinger | 15 | Son | Student | Iowa |
| 51 | Vernon Kinsinger | 13 | Son | — | Iowa |
| 52 | Orthella Kinsinger | 10 | Daughter | — | Iowa |
| 53 | Lawrence L. Miller THIS PERSON | 29 | Head | Gas Salesman | Iowa |
| 54 | Kathryn I. Miller | 25 | Wife | Housewife | Iowa |
| 55 | Carolyn Rae Miller | 4 | Daughter | — | Iowa |
| 56 | Gary Lamar Miller | 2 | Son | — | Iowa |
| 57 | Henry J Bilenkemyer|Bilenkemeyer | 51 | Head | Garageman | Iowa |
| 58 | Minnie O Bilenkemyer|Bilenkemeyer | 48 | Wife | Housewife | Iowa |
| 59 | Ada Ruth Bilenkemyer|Bilenkemeyer | 18 | Daughter | Student | Iowa |
| 60 | David Henry Bilenkemyer|Bilenkemeyer | 17 | Son | Student | Iowa |
| 61 | Daniel Floyd Bilenkemyer|Bilenkemeyer | 17 | Son | Student | Iowa |
| 62 | Blanche Ellen Bilenkemyer|Bilenkemeyer | 15 | Daughter | Student | Iowa |
| 63 | Irene May Bilenkemyer|Bilenkemeyer | 13 | Daughter | — | Iowa |
| 64 | Lois Levanda Bilenkemyer|Bilenkemeyer | 10 | Daughter | — | Iowa |
| 65 | Virginia Ann Bilenkemyer|Bilenkemeyer | 7 | Daughter | — | Iowa |
| 66 | Wallace Duane Bilenkemyer|Bilenkemeyer | 5 | Son | — | Iowa |
| 67 | James Allen Bilenkemyer|Bilenkemeyer | 0 | Son | — | Iowa |
| 68 | David E Bontrager | 66 | Head | Mechanic | Ohio |
| 69 | Mary M. Bontrager | 66 | Wife | Housewife | Iowa |
| 70 | Howard J Gingerich | 32 | Head | Laborer | Iowa |
| 71 | Bessie Manning Gingerich | 29 | Wife | Housewife | Iowa |
| 72 | Beatrice V Gingerich | 8 | Daughter | — | Iowa |
| 73 | Donna Jean Gingerich | 6 | Daughter | — | Iowa |
| 74 | Rex Eugene Gingerich | 5 | Son | — | Iowa |
| 75 | Willard Gingerich | 34 | Head | Groceryman | Iowa |
| 76 | Ollie J Gingerich | 35 | Wife | Housewife | Iowa |
| 77 | Lena Snider | 68 | Mother | Retired From Farm | Iowa |
| 78 | Walter Kempf | 19 | Hired | Laborer | Iowa |
| 79 | Stanley Hakill | 51 | Head | Laborer | Iowa |
| 80 | Lucille Hakill | 44 | Wife | Housewife | Iowa |
Pedigree Summary
Lawrence
Gen 1 · 1 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)