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Mary Mcnamara — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Mary Mcnamara across the 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 9-person household.
Age 35
b. ~1905
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Buffalo Twp |
| Est. Birth Year | ~1905 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Virginia Mcnamara | Daughter | — | 7 | ~1933 |
| Marlyn Mcnamara | Daughter | — | 3 | ~1937 |
| Loretta Mcnamara | Daughter | — | 14 | ~1926 |
| Pauline Mcnamara | Daughter | — | 12 | ~1928 |
| Dennis Mcnamara | Head | — | 45 | ~1895 |
| Vincent Mcnamara | Son | — | 6 | ~1934 |
| Vergil Mcnamara | Son | — | 13 | ~1927 |
| Richard Mcnamara | Son | — | 8 | ~1932 |
| Mary Mcnamara | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Linn, Iowa
Other, age 25
Linn, Iowa · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 19 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Spouse, age 35
Linn-County, Iowa · implied b. ~1905 — 9 household members
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Highest Grade | No 8 |
| 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 Mary Mcnamara across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcnamara
Spouse · 1940 · age 35 · b. ~1905 · 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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01175-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys Pavin | 15 | Daughter | — | Iowa |
| 2 | Lawrence Bruce | 28 | Hired man | Laborer | Iowa |
| 3 | Foster Hart | 46 | Head | Farmer | Ohio |
| 4 | Albert Fousek | 55 | Head | Farmer | Iowa |
| 5 | Franz Fousek | 50 | Wife | — | Iowa |
| 6 | Helen Fousek | 29 | Daughter | — | Iowa |
| 7 | Thomas Fousek | 25 | Son | Laborer | Iowa |
| 8 | Nanne Hanken | 66 | Head | Farmer | Iowa |
| 9 | Malinda Hanken | 67 | Wife | — | Iowa |
| 10 | Jack Boyles | 17 | Hired man | Laborer | Iowa |
| 11 | Ralph V. Kula | 31 | Head | Farmer | Iowa |
| 12 | Geraldine Kula | 24 | Wife | — | Iowa |
| 13 | Eugene Kula | 0 | Son | — | Iowa |
| 14 | John S. Fogarty | 65 | Head | Farmer | Iowa |
| 15 | Daniel F. Fogarty | 24 | Son | Laborer | Iowa |
| 16 | Frank M. Kula | 55 | Head | Farmer | Iowa |
| 17 | Bessie Kula | 51 | Wife | — | Iowa |
| 18 | Charles Kula | 30 | Head | Farmer | Iowa |
| 19 | Dennis Kula | 20 | Head | Farmer | Iowa |
| 20 | Lavina Kula | 18 | Sister | — | Iowa |
| 21 | Bernice Kula | 17 | Sister | — | Iowa |
| 22 | John S. Kula | 50 | Head | Farmer | Iowa |
| 23 | Anna Kula | 47 | Wife | — | Iowa |
| 24 | Levona Kula | 24 | Daughter | — | Iowa |
| 25 | Alvina Kula | 23 | Daughter | — | Iowa |
| 26 | Arthur Kula | 22 | Head | Farmer | Iowa |
| 27 | Donald Kula | 17 | Brother | Laborer | Iowa |
| 28 | John Van Buren | 32 | Head | Farmer | Iowa |
| 29 | Velma Van Buren | 28 | Wife | — | Iowa |
| 30 | Donna L. Van Buren | 3 | Daughter | — | Iowa |
| 31 | Roland Kula | 25 | Head | Farmer | Iowa |
| 32 | Dennis Mcnamara | 45 | Head | Farmer | Iowa |
| 33 | Mary Mcnamara THIS PERSON | 35 | Wife | — | Iowa |
| 34 | Loretta Mcnamara | 14 | Daughter | — | Iowa |
| 35 | Vergil Mcnamara | 13 | Son | — | Iowa |
| 36 | Pauline Mcnamara | 12 | Daughter | — | Iowa |
| 37 | Richard Mcnamara | 8 | Son | — | Iowa |
| 38 | Virginia Mcnamara | 7 | Daughter | — | Iowa |
| 39 | Vincent Mcnamara | 6 | Son | — | Iowa |
| 40 | Marlyn Mcnamara | 3 | 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)