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Mary Frazier — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Mary Frazier across the 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 12-person household.
Age 50
b. ~1890
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Frazier |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Dunlap Town |
| Additional Details | |
| Highest Grade | No 7 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Dunlap Town |
| Est. Birth Year | ~1890 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Darris Frazier | Son | — | 14 | ~1926 |
| Daniel Frazier | Son | — | 12 | ~1928 |
| Henry Frazier | Head | — | 54 | ~1886 |
| Darrell Frazier | Son | — | 16 | ~1924 |
| Mary Frazier | Spouse | — | 50 | ~1890 |
| Donald Frazier | Son | — | 25 | ~1915 |
| Nelson Frazier | Son | — | 5 | ~1935 |
| Dola Frazier | Daughter | — | 8 | ~1932 |
| Darlene Frazier | Daughter | — | 10 | ~1930 |
| Helen Frazier | Daughter | — | 20 | ~1920 |
| Alvin Frazier | Son | — | 18 | ~1922 |
| Evelyn Frazier | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Harrison, Iowa
Other, age 40
Harrison, Iowa · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frazier |
| Given Name | Mary B |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 17 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Spouse, age 50
Harrison-County, Iowa · implied b. ~1890 — 12 household members
| Surname | Frazier |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Dunlap Town |
| Highest Grade | No 7 |
| 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 Mary Frazier across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frazier
Spouse · 1940 · age 50 · b. ~1890 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Taylor | 25 | wife | — | Iowa |
| 2 | Ross Taylor | 7 | son | — | Iowa |
| 3 | Richard Taylor | 5 | son | — | Iowa |
| 4 | Kathryn Jackson | 14 | sister in law | — | Florida |
| 5 | Elmer Frazier | 34 | Head | W. P. A | Iowa |
| 6 | Mae Frazier | 29 | wife | — | Iowa |
| 7 | Frances Frazier | 10 | daughter | — | Iowa |
| 8 | Geraldine Frazier | 6 | daughter | — | Iowa |
| 9 | Ross Frazier | 45 | Head | W. P. A | Nebraska |
| 10 | Gladys Frazier | 39 | wife | — | Nebraska |
| 11 | Leo Frazier | 20 | son | W. P. A | Iowa |
| 12 | Bernard Frazier | 15 | daughter | — | Iowa |
| 13 | Phylis Frazier | 6 | daughter | — | Iowa |
| 14 | Norma Jean Frazier | 4 | daughter | — | Iowa |
| 15 | Ruth Frazier | 2 | daughter | — | Iowa |
| 16 | Henry Frazier | 54 | Head | Well Digger | Iowa |
| 17 | Mary Frazier THIS PERSON | 50 | wife | — | Iowa |
| 18 | Donald Frazier | 25 | son | Laborer | Iowa |
| 19 | Helen Frazier | 20 | daughter | House Work | Iowa |
| 20 | Evelyn Frazier | 22 | daughter | House Work | Iowa |
| 21 | Alvin Frazier | 18 | son | — | Iowa |
| 22 | Darrell Frazier | 16 | son | — | Iowa |
| 23 | Darris Frazier | 14 | son | — | Iowa |
| 24 | Daniel Frazier | 12 | son | — | Iowa |
| 25 | Darlene Frazier | 10 | daughter | — | Iowa |
| 26 | Dola Frazier | 8 | daughter | — | Iowa |
| 27 | Nelson Frazier | 5 | son | — | Iowa |
| 28 | Nettie Bonar | 75 | Head | — | Iowa |
| 29 | Perry Bonar | 36 | son | Trucking | Iowa |
| 30 | Edward Bonar | 30 | son | Laborer | Iowa |
| 31 | Emma Brewer | 56 | Head | — | Iowa |
| 32 | Ernest Hansen | 24 | son | Takes Care Of | Iowa |
| 33 | Jule Sherrick | 80 | roomer | — | Denmark |
| 34 | Ann Marie Hansen | 62 | Head | — | Denmark |
| 35 | B. A Avis | 72 | Head | Odd Jobs | Nebraska |
| 36 | Aditha Avis | 58 | wife | — | Iowa |
| 37 | Here Ends Block 31 | None | — | — | — |
| 38 | Kate O'Brien | 58 | Head | — | Illinois |
| 39 | Enumerated Elsewhere Convent | None | — | — | — |
| 40 | And Begins Here Ends Block 32 | None | Block 29 | — | — |
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)