TM
Thomas Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Iowa
Our Model Tree links this Thomas Mullen across the 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Iowa |
| Surname | Mullen |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Highest Grade | S 7 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Denison City |
| Est. Birth Year | ~1927 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Nora Kinney | Other | — | 75 | ~1865 |
| Michael Mullen | Son | — | ~1940 | |
| Thomas Mullen | Son | — | 13 | ~1927 |
| Anna Mullen | Daughter | — | 8 | ~1932 |
| Leo Mullen | Son | — | 10 | ~1930 |
| Lee Mullen | Head | — | 38 | ~1902 |
| Mary Mullen | Daughter | — | 7 | ~1933 |
| Bernice Mullen | Spouse | — | 40 | ~1900 |
| Kinney Mullen | Son | — | 12 | ~1928 |
Census Appearances
1930
Crawford, Iowa
Son, age 3
Crawford, Iowa · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Crawford-County, Iowa
Son, age 13
Crawford-County, Iowa · implied b. ~1927 — 9 household members
| Surname | Mullen |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Crawford |
| Highest Grade | S 7 |
| 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 Thomas Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mullen
Son · 1940 · age 13 · b. ~1927 · Iowa
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Sibling
Mary Mullen
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kinney Mullen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mullen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Mullen
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Mullen
Sibling · 1940 · age 10
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 — Crawford-County, Iowa
Open full size
1940 US Federal Census — Crawford-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01152-00139)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Jones | 79 | Head | — | Iowa |
| 2 | Isabel Jones | 66 | Wife | — | New York |
| 3 | Lee T. Mullen | 38 | Head | Salesman | Iowa |
| 4 | Bernice Mullen | 40 | Wife | — | Iowa |
| 5 | Thomas J. Mullen THIS PERSON | 13 | Son | — | Iowa |
| 6 | Kinney R. Mullen | 12 | Son | — | Iowa |
| 7 | Leo Patrick Mullen | 10 | Son | — | Iowa |
| 8 | Anna Mae Mullen | 8 | Daughter | — | Iowa |
| 9 | Mary Margaret Mullen | 7 | Daughter | — | Iowa |
| 10 | Michael J. Mullen | 0 | Son | — | Iowa |
| 11 | Nora Kinney | 75 | Aunt | — | Massachusetts |
| 12 | Patrick Hassett | 66 | Head | Farmer | Iowa |
| 13 | Nellie Hassett | 57 | Wife | — | Iowa |
| 14 | Ruth Hassett | 20 | Daughter | Sales Lady | Iowa |
| 15 | Vernon Hassett | 32 | Son | Service Man | Iowa |
| 16 | Emmett E. Fitzpatrick | 27 | Head | Mail Man | Iowa |
| 17 | Phyllis Fitzpatrick | 22 | Wife | — | Iowa |
| 18 | Joseph Fitzpatrick | 24 | Brother | Clerk | Iowa |
| 19 | Irene Zoller | 21 | Lodger | Sales Woman | Dakota |
| 20 | Betty Brown | 17 | Lodger | Waitress | Iowa |
| 21 | Emaline Friede | 23 | Lodger | Waitress | Iowa |
| 22 | Burrell Holliday | 43 | Head | Barber | Iowa |
| 23 | Evelyn Holliday | 39 | Wife | — | Iowa |
| 24 | Emma Dr. Johnston | 72 | Head | Osteopath Doctor | Illinois |
| 25 | Dr. Howell Wareham | 39 | Head | Dentist | Illinois |
| 26 | Ruth G. Wareham | 35 | Wife | Reception Nurse | Missouri |
| 27 | Annette Wareham | 13 | Daughter | — | Iowa |
| 28 | Clarence W. Kelley | 54 | Head | Proprietor | Iowa |
| 29 | Grace A. Kelley | 55 | Wife | — | Iowa |
| 30 | Howard Kelley | 23 | Son | Jeweler | Iowa |
| 31 | Robert Kelley | 20 | Son | New Worker | Iowa |
| 32 | Rita Mary Kelley | 18 | Daughter | New Worker | Iowa |
| 33 | Mary Grace Kelley | 11 | Daughter | — | Iowa |
| 34 | Mary Lamb | 73 | Head | — | Missouri |
| 35 | James Anoffer | 81 | Brother | — | Missouri |
| 36 | Wiebke Sachan | 84 | Head | — | Germany |
| 37 | Clarence Bryan | 60 | Head | County Auditor | Illinois |
| 38 | Pearl Bryan | 56 | Wife | — | Iowa |
| 39 | Francis Bryan | 16 | Daughter | — | Iowa |
| 40 | Earl L. Rogers | 27 | Head | Mechanic | South Dakota |
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)