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Mary Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calhoun-County, Iowa
Our Model Tree links this Mary Murphy across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Iowa (XGBoost, ~Confirmed), with identified parents Artie & Nellie — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Iowa |
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 630 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Teacher |
| Township / Ward | Butler Twp |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Murphy | Daughter | — | 22 | ~1918 |
| Anna Murphy | Daughter | — | 13 | ~1927 |
| Artie Murphy | Head | — | 57 | ~1883 |
| Ray Murphy | Son | — | 18 | ~1922 |
| Gene Murphy | Son | — | 17 | ~1923 |
| Millie Murphy | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Calhoun, Iowa
Daughter, age 2
Calhoun, Iowa · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Calhoun, Iowa
Daughter, age 12
Calhoun, Iowa · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Calhoun-County, Iowa
Daughter, age 22
Calhoun-County, Iowa · implied b. ~1918 — 6 household members
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Calhoun |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 630 |
| Highest Grade | Hs 4 |
| 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 Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Artie Murphy (~0.92 confidence) and mother Nellie Murphy (~0.92 confidence) and mother Nellie Murphy (~0.92 confidence) and mother Millie Murphy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Artie Murphy
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Nellie Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Nellie Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Millie Murphy
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Murphy
Daughter · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Ray Murphy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Murphy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Murphy
Sibling · 1940 · age 17
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 — Calhoun-County, Iowa
Open full size
1940 US Federal Census — Calhoun-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01144-00042)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gerkes Lazen Gerdes | 9 | son | — | Iowa |
| 2 | Gerkes Karl Gerdes | 4 | son | — | Iowa |
| 3 | Fred Gerke | 48 | head | Farmer | Iowa |
| 4 | Rena Gerke | 40 | wife | — | Iowa |
| 5 | Helen Gerke | 21 | daughter | — | Iowa |
| 6 | Louis Gerke | 19 | son | Laborer | Iowa |
| 7 | Lyra Gerke | 18 | daughter | — | Iowa |
| 8 | Vernon Burmeister | 46 | head | Farmer | Illinois |
| 9 | Volke Burmeister | 41 | wife | — | Iowa |
| 10 | Laura Burmeister | 19 | daughter | — | Iowa |
| 11 | Jay Beddow | 36 | head | Farmer | Iowa |
| 12 | Blanche Beddow | 34 | wife | — | Illinois |
| 13 | Marlene Beddow | 11 | daughter | — | Iowa |
| 14 | Shirley Beddow | 8 | daughter | — | Iowa |
| 15 | Marge Beddow | 6 | daughter | — | Iowa |
| 16 | Richard Beddow | 3 | son | — | Iowa |
| 17 | Darrell Beddow | 1 | son | — | Iowa |
| 18 | William Luhat | 52 | head | Farmer | Iowa |
| 19 | Minnie Luhat | 49 | wife | — | Iowa |
| 20 | Elmer Vetter | 28 | niece | — | Iowa |
| 21 | Arnet Kind | 20 | head | Laborer | Iowa |
| 22 | Gene Kind | 17 | wife | — | Iowa |
| 23 | Gus Hatton | 24 | head | Farmer | Iowa |
| 24 | Ruby Hatton | 20 | wife | — | Iowa |
| 25 | Helen Lou Hatton | 2 | daughter | — | Iowa |
| 26 | Arthur Mohr | 30 | head | Farmer | Iowa |
| 27 | Marie Mohr | 21 | wife | — | Iowa |
| 28 | Harry Mohr | 31 | head | Farmer | Iowa |
| 29 | Ann Mohr | 25 | wife | — | Iowa |
| 30 | Thomas Mohr | 2 | son | — | Iowa |
| 31 | Artie Murphy | 57 | head | Farmer | Iowa |
| 32 | Millie Murphy | 58 | wife | — | Iowa |
| 33 | Mary Murphy THIS PERSON | 22 | daughter | Teacher | Iowa |
| 34 | Ray Murphy | 18 | son | Laborer | Iowa |
| 35 | Gene Murphy | 17 | son | Laborer | Iowa |
| 36 | Anna Murphy | 13 | daughter | — | Iowa |
| 37 | Anna Wiese | 68 | head | — | Germany |
| 38 | Herbert Wiese | 35 | son | Farmer | Iowa |
| 39 | Lillian Wiese | 21 | daughter | — | Iowa |
| 40 | Vern Hout | 32 | head | Manager | Iowa |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)