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Margaret Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Margaret Murphy across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed), with identified parents Earl & Earl — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Murphy |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Candy Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 850 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Stenographer |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Murphy | Daughter | — | 21 | ~1919 |
| Virginia Murphy | Daughter | — | 17 | ~1923 |
| Earl Murphy | Head | — | 54 | ~1886 |
| Thomas Murphy | Other | — | 82 | ~1858 |
| Ethel Murphy | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Woodbury, Iowa
Daughter, age 1
Woodbury, Iowa · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Margaret L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Woodbury, Iowa
Daughter, age 11
Woodbury, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Daughter, age 21
Woodbury-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Murphy |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Occupation | Stenographer |
| Industry | Candy Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 850 |
| Highest Grade | H-4 |
| 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 Margaret Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Murphy (~0.92 confidence) and father Earl Murphy (~0.92 confidence) and mother Ethel Murphy (~0.92 confidence) and mother Ethel Murphy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Murphy
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Earl Murphy
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Ethel Murphy
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Ethel Murphy
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Murphy
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Virginia 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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01215-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar H. Lockhart | 49 | Head | Secy & Treas | Iowa |
| 2 | Lulu Lockhart | 49 | Wife | — | Iowa |
| 3 | Lois Lockhart | 17 | Daughter | — | Iowa |
| 4 | Earl W. Murphy | 54 | Head | Conductor | Iowa |
| 5 | Ethel Murphy | 44 | Wife | — | Iowa |
| 6 | Margaret L. Murphy THIS PERSON | 21 | Daughter | Stenographer | Iowa |
| 7 | Virginia M. Murphy | 17 | Daughter | Operator | Iowa |
| 8 | Thomas Murphy | 82 | Father | — | Indiana |
| 9 | Theodore Fullman | 48 | Head | Supt | Nebraska |
| 10 | Effie S. Fullman | 45 | Wife | — | Nebraska |
| 11 | Jean Fullman | 14 | Daughter | — | Iowa |
| 12 | John Finkbiner | 61 | Head | Broker | Missouri |
| 13 | Mary Finkbiner | 60 | Wife | — | Illinois |
| 14 | Ivar Ferdine | 63 | Head | Buyer | Sweden |
| 15 | Bertha Ferdine | 56 | Wife | — | Nebraska |
| 16 | Louise Ferdine | 21 | Daughter | — | Iowa |
| 17 | Mildred Ferdine | 16 | Daughter | — | Iowa |
| 18 | Charles Ferdine | 14 | Son | — | Iowa |
| 19 | Chas E. Fitzler | 58 | Head | Dentist | Missouri |
| 20 | Ethel M. Fitzler | 51 | Wife | — | Illinois |
| 21 | Paul W. Fitzler | 22 | Son | — | Iowa |
| 22 | Richard W. Fitzler | 19 | Son | — | Iowa |
| 23 | John L. Tracy | 37 | Head | Md. Doctor | Iowa |
| 24 | Lucile Tracy | 39 | Wife | — | Iowa |
| 25 | Thomas Tracy | 6 | Son | — | Nebraska |
| 26 | Helen Bernice Tracy | 20 | Maid | Maid | So Dak |
| 27 | Ralph Piemuer | 45 | Head | Trav Agent | Iowa |
| 28 | Edith Piemuer | 41 | Wife | — | Iowa |
| 29 | John Piemuer | 6 | Son | — | Iowa |
| 30 | Jeanne Piemuer | 3 | Daughter | — | Iowa |
| 31 | Leona Hahn | 24 | Maid | Maid | Nebraska |
| 32 | Thos Flynn | 49 | Head | Salesman | Nebraska |
| 33 | Catherine Flynn | 42 | Wife | — | So Dak |
| 34 | Mary Catherine Flynn | 21 | Daughter | — | Iowa |
| 35 | Henretty Flynn | 32 | Sister of Head | — | Iowa |
| 36 | Wm. R. Hughes | 55 | Head | Claim Agent | Minnesota |
| 37 | Roger W. Hughes | 22 | Son | Student | Iowa |
| 38 | Bertha Kornak | 60 | Housekeeper | Housekeeper | Germany |
| 39 | Nelson Adair | 37 | Head | Optometrist | Iowa |
| 40 | Foster Adair | 28 | Wife | — | Iowa |
Pedigree Summary
Margaret + 1 sibling
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)