TM
Thomas Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Mullen across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Mullen |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mullen | Son | — | 13 | ~1927 |
| Catherine Mullen | Spouse | — | 48 | ~1892 |
| John Mullen | Head | — | 56 | ~1884 |
| Anna Mullen | Daughter | — | 25 | ~1915 |
| John Mullen | Son | — | 17 | ~1923 |
| Rita Mullen | Daughter | — | 23 | ~1917 |
| Katherine Mullen | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | Thomas P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 7 household members
| Surname | Mullen |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 · Pennsylvania
★ You are viewing this record
Sibling
Anna Mullen
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mullen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mullen
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mullen
Sibling · 1940 · age 20
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03653-00641)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nat Gefsky | 50 | Head | Owner | Pennsylvania |
| 42 | Gussie Gefsky | 45 | Wife | — | New York |
| 43 | Paul B. Gefsky | 18 | Son | New Worker | Pennsylvania |
| 44 | Delia Mccabe | 55 | Head | Seamstress | Pennsylvania |
| 45 | Eleanor G. Mccabe | 22 | Daughter | Piece Worker | Pennsylvania |
| 46 | Betty J. Mccabe | 15 | Daughter | — | Pennsylvania |
| 47 | Donald Ormer | 25 | Head | Mechanic | Pennsylvania |
| 48 | Dorothy Ormer | 26 | Wife | — | Pennsylvania |
| 49 | Joan Ormer | 3 | Daughter | — | Pennsylvania |
| 50 | Donald Ormer | 2 | Son | — | Pennsylvania |
| 51 | Miles Cassidy | 50 | Head | Roadman | Pennsylvania |
| 52 | Bridget Cassidy | 50 | Wife | — | Ireland |
| 53 | Mary Cassidy | 24 | Daughter | Stenographer | Pennsylvania |
| 54 | George Cassidy | 22 | Son | Installer | Pennsylvania |
| 55 | Edward Cassidy | 19 | Son | — | Pennsylvania |
| 56 | Miles Jr. Cassidy | 16 | Son | — | Pennsylvania |
| 57 | John Mullen | 56 | Head | Stationary Engineer | Pennsylvania |
| 58 | Catherine Mullen | 48 | Wife | — | Pennsylvania |
| 59 | Anna Marie Mullen | 25 | Daughter | New Worker | Pennsylvania |
| 60 | Rita Mullen | 23 | Daughter | Secretary | Pennsylvania |
| 61 | Katherine Mullen | 20 | Daughter | New Worker | Pennsylvania |
| 62 | John Mullen | 17 | Son | — | Pennsylvania |
| 63 | Thomas Mullen THIS PERSON | 13 | Son | — | Pennsylvania |
| 64 | Morris Simon | 45 | Head | Tailor | Poland |
| 65 | Esther Simon | 42 | Wife | — | Poland |
| 66 | Daniel Simon | 22 | Son | New Worker | Pennsylvania |
| 67 | Burton Simon | 16 | Son | — | Pennsylvania |
| 68 | Jacob Dolan | 44 | Head | Truck Driver | Russia |
| 69 | Rose Dolan | 42 | Wife | — | Pennsylvania |
| 70 | Stanley Dolan | 16 | Son | — | Pennsylvania |
| 71 | Gerald Dolan | 7 | Son | — | Pennsylvania |
| 72 | John Doline | 25 | Head | Musician | Pennsylvania |
| 73 | Margaret Doline | 20 | Wife | — | Pennsylvania |
| 74 | Morris Platt | 41 | Head | Owner | Pennsylvania |
| 75 | Hilda Platt | 35 | Wife | — | Poland |
| 76 | Joan Platt | 10 | Daughter | — | Pennsylvania |
| 77 | Phyllis Platt | 9 | Daughter | — | Pennsylvania |
| 78 | Dante Sartoris | 25 | Head | Bartender | Pennsylvania |
| 79 | Fannie Sartoris | 25 | Wife | — | Pennsylvania |
| 80 | Beverly Sartoris | 2 | Daughter | — | Pennsylvania |
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)