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Margaret Barrett — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Margaret Barrett across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Spouse
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Barrett |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Dunlap |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Dunlap |
| Est. Birth Year | ~1879 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| J Barrett | Head | — | 65 | ~1875 |
| Margaret Barrett | Spouse | — | 61 | ~1879 |
| Ruth Barrett | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Harrison, Iowa
Spouse, age 41
Harrison, Iowa · implied b. ~1879 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Margaret C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Harrison, Iowa
Other, age 51
Harrison, Iowa · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Margaret B |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 20 |
| Father's Birthplace | England |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Harrison-County, Iowa
Spouse, age 61
Harrison-County, Iowa · implied b. ~1879 — 3 household members
| Surname | Barrett |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Dunlap |
| 1935 Residence (County) | Harrison |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Margaret Barrett across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Barrett
Spouse · 1940 · age 61 · b. ~1879 · 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
38 people indexed on this census page (nara:1940:m-t0627-01166-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Teresa Mallers | 37 | Head | — | Iowa |
| 2 | John Mallers | 39 | Son | Worker | Iowa |
| 3 | Bernie Mallers | 27 | Daughter-in-law | Waitress | Iowa |
| 4 | Anne Noel | 78 | Head | — | Iowa |
| 5 | Fred Noel | 58 | Son | Laborer | Iowa |
| 7 | J. F. Barrett | 65 | Head | Manager | Iowa |
| 8 | Margaret Barrett THIS PERSON | 61 | Wife | — | Rhode Island |
| 9 | Ruth Barrett | 29 | Daughter | — | Nebraska |
| 10 | Joe O'Brien | 51 | Head | Stock Buyer | Iowa |
| 11 | Mae O'Brien | 49 | Wife | — | Iowa |
| 12 | Gerald O'Brien | 20 | Son | Student | Iowa |
| 13 | Joseph O'Brien | 19 | Son | Clerk | Iowa |
| 14 | Mary Frances O'Brien | 18 | Daughter | — | Iowa |
| 15 | Betty O'Brien | 16 | Daughter | — | Iowa |
| 16 | Daniel O'Brien | 14 | Son | — | Iowa |
| 17 | Margaret O'Brien | 11 | Daughter | — | Iowa |
| 18 | Kathleen O'Brien | 8 | Daughter | — | Iowa |
| 19 | Lawrence O'Conner | 29 | Head | Manager | Iowa |
| 20 | Monica O'Conner | 29 | Wife | — | Iowa |
| 21 | Patty O'Conner | 6 | Daughter | — | Iowa |
| 22 | Larry O'Conner | 1 | Son | — | Iowa |
| 23 | H. W. Lary | 80 | Head | Retired | Virginia |
| 25 | Philomenia Buckley | 75 | Head | — | France |
| 26 | Fred Nieland | 34 | Head | Manager | Iowa |
| 27 | Vilva Nieland | 33 | Wife | Bookkeeper | Iowa |
| 28 | Beverly Nieland | 6 | Daughter | — | Iowa |
| 29 | Bernard Sprinkle | 22 | Roomer | Yard Man | Iowa |
| 30 | John Broderick | 33 | Head | Owner | Iowa |
| 31 | Sylvia Broderick | 29 | Wife | — | Iowa |
| 32 | Gwendolyn Broderick | 10 | Daughter | — | Iowa |
| 33 | Phillip Broderick | 7 | Son | — | Iowa |
| 34 | Sheila Broderick | 5 | Daughter | — | Iowa |
| 35 | Joanne Broderick | 3 | Daughter | — | Iowa |
| 36 | Richard Broderick | 1 | Son | — | Iowa |
| 37 | Dolores Broderick | 0 | Daughter | — | Iowa |
| 38 | Anna Slattery | 54 | Head | — | Iowa |
| 39 | Joseph Slattery | 25 | Son | Law Practice | Iowa |
| 40 | Robert Slattery | 22 | Son | — | 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)