JH
John Houston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Iowa
Our Model Tree links this John Houston across the 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Iowa |
| Surname | Houston |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dow City Town |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | Laborer |
| Industry | CCC Drainage |
| Class of Worker | GW |
| Income (1939) | 988 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Dow City Town |
| Est. Birth Year | ~1922 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Donald Houston | Son | — | 16 | ~1924 |
| Margaret Houston | Daughter | — | 14 | ~1926 |
| Robert Houston | Son | — | 19 | ~1921 |
| John Houston | Son | — | 18 | ~1922 |
| Marion Houston | Daughter | — | 12 | ~1928 |
| George Houston | Head | — | 38 | ~1902 |
| Laura Houston | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Crawford, Iowa
Son, age 8
Crawford, Iowa · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Houston |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wyoming |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Crawford-County, Iowa
Son, age 18
Crawford-County, Iowa · implied b. ~1922 — 7 household members
| Surname | Houston |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dow City Town |
| 1935 Residence (County) | Crawford |
| Occupation | Laborer |
| Industry | CCC Drainage |
| Class of Worker | GW |
| Income (1939) | 988 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 John Houston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Houston
Son · 1940 · age 18 · b. ~1922 · Iowa
★ You are viewing this record
Sibling
Donald Houston
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Houston
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Houston
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Houston
Sibling · 1940 · age 19
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 — Crawford-County, Iowa
Open full size
1940 US Federal Census — Crawford-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01152-00520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles J. Smith | 31 | Head | Owner | Iowa |
| 2 | Zora D. Smith | 36 | Wife | Housewife | Iowa |
| 3 | Beverly J. Smith | 6 | Daughter | — | Iowa |
| 4 | Mabel Kuehner | 56 | Mother-in-law | House Keep | Iowa |
| 5 | Arthur U. Bernard | 34 | Brother-in-law | Leader | Iowa |
| 6 | Earl F. Mcdonald | 28 | Head | Owner | Iowa |
| 7 | Bertha Mcdonald | 34 | Wife | Housewife | Iowa |
| 8 | Allie J. Mcdonald | 6 | Daughter | — | Iowa |
| 9 | Lewis Huntington | 61 | Head | — | Illinois |
| 11 | James W. Baber | 51 | Head | Laborer | Iowa |
| 12 | Bertha A. Baber | 42 | Wife | Housewife | Iowa |
| 13 | Mary A. Baber | 8 | Daughter | — | Iowa |
| 14 | Thomas A. Baber | 28 | Son | Owner | Iowa |
| 15 | George C. Peck | 61 | Head | Laborer | Iowa |
| 16 | Nettie B. Peck | 60 | Wife | Housewife | Iowa |
| 17 | Georgia P. Peck | 20 | Daughter | Housewife | Iowa |
| 18 | Francis H. Peck | 34 | Son | Helper | Iowa |
| 19 | Morris H. Peck | 6 | Grandson | — | Iowa |
| 20 | William W. Jordan | 69 | Lodger | Owner | Iowa |
| 21 | Agness Goddard | 76 | Head | — | Michigan |
| 22 | Ellen L. Goddard | 65 | Daughter | — | Iowa |
| 23 | Agness B. Goddard | 52 | Daughter | Teacher | Iowa |
| 24 | Marten Goddard | 36 | Son | — | Iowa |
| 25 | Eugene Crandall | 56 | Head | Clerk | Iowa |
| 26 | Nettie A. Crandall | 53 | Wife | Housewife | Iowa |
| 27 | Lulu S. Crandall | 52 | Daughter | House Work | Iowa |
| 28 | Hugh R. Gorman | 24 | Head | Laborer | Iowa |
| 29 | Louise A. Gorman | 19 | Wife | Housewife | Iowa |
| 30 | Shirley J. Gorman | 2 | Daughter | — | Iowa |
| 31 | Martin Slattery | 66 | Head | Laborer | Iowa |
| 32 | Lizzie O'Meara | 61 | Sister | Housewife | Iowa |
| 33 | Morris E. O'Meara | 25 | Nephew | Laborer | Iowa |
| 34 | George Houston | 38 | Head | Owner | Iowa |
| 35 | Laura L. Houston | 36 | Wife | Housewife | Wyoming |
| 36 | Robert H. Houston | 19 | Son | Owner | Iowa |
| 37 | John D. Houston THIS PERSON | 18 | Son | Laborer | Iowa |
| 38 | Donald P. Houston | 16 | Son | — | Iowa |
| 39 | Margaret A. Houston | 14 | Daughter | — | Iowa |
| 40 | Marion L. Houston | 12 | Daughter | — | Iowa |
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)