HG
Harold Green — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Iowa
Our Model Tree links this Harold Green across the 1930 and 1940 US Censuses in Marion-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Iowa |
| Surname | Green |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Hamilton Town |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Hamilton Town |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Junior Green | Son | — | 11 | ~1929 |
| Mildred Green | Daughter | — | 8 | ~1932 |
| Betty Green | Daughter | — | 14 | ~1926 |
| Orpha Green | Daughter | — | 15 | ~1925 |
| Maude Green | Spouse | — | 47 | ~1893 |
| Nellie Green | Daughter | — | 20 | ~1920 |
| Donald Green | Son | — | 12 | ~1928 |
| Harold Green | Son | — | 10 | ~1930 |
| Maureen Green | Other | — | 5 | ~1935 |
| Alfred Green | Head | — | 49 | ~1891 |
Census Appearances
1930
Marion, Iowa
Son, age
Marion, Iowa · implied b. ~1930 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Harold M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marion-County, Iowa
Son, age 10
Marion-County, Iowa · implied b. ~1930 — 10 household members
| Surname | Green |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Hamilton Town |
| 1935 Residence (County) | Marion |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| 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 Harold Green across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Green
Son · 1940 · age 10 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Mildred Green
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Green
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orpha Green
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Green
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Junior Green
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Green
Sibling · 1940 · age 20
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 — Marion-County, Iowa
Open full size
1940 US Federal Census — Marion-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01181-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Lee | 25 | Wife | — | Iowa |
| 2 | Alfred Green | 49 | Head | Laborer | Missouri |
| 3 | Maude Green | 47 | Wife | — | Missouri |
| 4 | Nellie Green | 20 | Daughter | — | Iowa |
| 5 | Orpha Green | 15 | Daughter | — | Iowa |
| 6 | Betty Green | 14 | Daughter | — | Iowa |
| 7 | Donald Green | 12 | Son | — | Iowa |
| 8 | Junior Green | 11 | Son | — | Iowa |
| 9 | Harold Green THIS PERSON | 10 | Son | — | Iowa |
| 10 | Mildred Green | 8 | Daughter | — | Iowa |
| 11 | Maureen Green | 5 | Granddaughter | — | Iowa |
| 12 | Pierce Godfrey | 38 | Head | Cabinet Maker | Iowa |
| 13 | Ollie Godfrey | 36 | Wife | — | Iowa |
| 14 | Marie Godfrey | 16 | Daughter | — | Iowa |
| 15 | Lola Godfrey | 15 | Daughter | — | South Dakota |
| 16 | Dan Godfrey | 9 | Son | — | Iowa |
| 17 | Vera Godfrey | 7 | Daughter | — | Iowa |
| 18 | Raymond Godfrey | 4 | Son | — | Iowa |
| 19 | June Godfrey | 1 | Daughter | — | Iowa |
| 20 | Alfred Bolton | 61 | Head | Laborer | Illinois |
| 21 | Lela Bolton | 60 | Wife | — | Illinois |
| 22 | William Bolton | 19 | Son | — | Illinois |
| 23 | James Bolton | 68 | Head | Coal Operator | Illinois |
| 24 | Corie L Bolton | 68 | Wife | — | Iowa |
| 25 | Clyde Bolton | 32 | Head | Machinist | Iowa |
| 26 | Corrine Bolton | 25 | Wife | — | Iowa |
| 27 | Jennie Bolton | 5 | Daughter | — | Iowa |
| 28 | Roy Burge | 38 | Head | — | Iowa |
| 29 | Naomi Burge | 31 | Wife | — | Iowa |
| 30 | Billie Jean Burge | 11 | Daughter | — | Iowa |
| 31 | Richard Burge | 9 | Son | — | Iowa |
| 32 | Carl Burge | 7 | Son | — | Iowa |
| 33 | Harry Robuck | 46 | Head | Laborer | Iowa |
| 34 | Leona Robuck | 39 | Wife | — | Iowa |
| 35 | Gertrude Robuck | 16 | Daughter | — | Iowa |
| 36 | Norman Robuck | 7 | Son | — | Iowa |
| 37 | Mary Saunders | 78 | Mother-in-law | — | Iowa |
| 38 | Irvin Bunch | 40 | Head | — | Iowa |
| 39 | Wilma Bunch | 17 | Daughter | — | Iowa |
| 40 | Irvin Bunch | 13 | Son | — | Iowa |
Related Census Records
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)