TM
Thomas Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Iowa
Our Model Tree links this Thomas Murphy across the 1920, 1930 and 1940 US Censuses in Shelby-County, Iowa (XGBoost, ~Confirmed), with identified parents M & Eva — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Iowa |
| Surname | Murphy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clay Township |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 888 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Clay Township |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mike Murphy | Head | — | 67 | ~1873 |
| Bernard Murphy | Son | — | 30 | ~1910 |
| Thomas Murphy | Son | — | 28 | ~1912 |
| Anna Murphy | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Shelby, Iowa
Son, age 8
Shelby, Iowa · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Shelby, Iowa
Son, age 18
Shelby, Iowa · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | VVV |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Shelby-County, Iowa
Son, age 28
Shelby-County, Iowa · implied b. ~1912 — 4 household members
| Surname | Murphy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clay Township |
| 1935 Residence (County) | Shelby |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 888 |
| Highest Grade | H 2 |
| 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 Thomas Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father M Murphy (~0.92 confidence) and mother Eva Murphy (~0.92 confidence) and mother Anna Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Murphy
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Eva Murphy
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Anna Murphy
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Murphy
Son · 1940 · age 28 · b. ~1912 · Iowa
★ You are viewing this record
Sibling
Bernard Murphy
Sibling · 1940 · age 30
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 — Shelby-County, Iowa
Open full size
1940 US Federal Census — Shelby-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01204-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mike Murphy | 67 | Head | Farmer | Iowa |
| 2 | Anna Murphy | 64 | Wife | — | Iowa |
| 3 | Bernard Murphy | 30 | Son | Farm Labor | Iowa |
| 4 | Thomas Murphy THIS PERSON | 28 | Son | Farm Labor | Iowa |
| 5 | Ole Larsen | 49 | Head | Farmer | Norway |
| 6 | Maria Larsen | 47 | Wife | — | Norway |
| 7 | Botger Larsen | 46 | Sister | — | Norway |
| 8 | Anna Larsen | 44 | Sister | — | Norway |
| 9 | Leo Larsen | 32 | Head | Farmer | Iowa |
| 10 | Frances Larsen | 27 | Wife | — | Iowa |
| 11 | J. F. Miller | 51 | Head | Farmer | Iowa |
| 12 | Lizzie Miller | 47 | Wife | — | Iowa |
| 13 | Carl L. Miller | 26 | Head | Farmer | Iowa |
| 14 | Bonita Miller | 26 | Wife | — | Iowa |
| 15 | Delbert Miller | 3 | Son | — | Iowa |
| 16 | Phyllis Miller | 1 | Daughter | — | Iowa |
| 17 | Carl Olsen | 28 | Head | Farm Labor | Iowa |
| 18 | Imogene Olsen | 21 | Wife | — | Iowa |
| 19 | Eldon Olsen | 2 | Son | — | Iowa |
| 20 | Roger Olsen | 1 | Son | — | Iowa |
| 21 | Chris Larsen | 56 | Head | Farmer | Denmark |
| 22 | Lucinda Larsen | 48 | Wife | — | Denmark |
| 23 | Oula Winther | 26 | Head | Farm Labor | Iowa |
| 24 | Alice Winther | 23 | Wife | — | Iowa |
| 25 | Drene Winther | 3 | Daughter | — | Iowa |
| 26 | Deane Winther | 3 | Daughter | — | Iowa |
| 27 | Fred Long | 50 | Head | Farmer | Iowa |
| 28 | Ella Long | 49 | Wife | — | Iowa |
| 29 | Elsebell Long | 16 | Daughter | Student | Iowa |
| 30 | Ole Justesen | 42 | Head | Farmer | Iowa |
| 31 | Rose Justesen | 40 | Wife | — | Iowa |
| 32 | Margie Justesen | 16 | Daughter | Student | Iowa |
| 33 | Alice Petersen | 24 | Servant | Servant | Iowa |
| 34 | Chris Andersen | 58 | Head | Farmer | Denmark |
| 35 | Mae Andersen | 51 | Wife | — | Denmark |
| 36 | Leona Andersen | 17 | Daughter | Student | Iowa |
| 37 | Willie Andersen | 60 | Brother | Farm Labor | Denmark |
| 38 | Andrew Jensen | 44 | Head | Farmer | Denmark |
| 39 | Othilia Jensen | 42 | Wife | — | Denmark |
| 40 | Earl Jensen | 16 | Son | Student | Iowa |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 3 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)