TM
Thomas Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Thomas Mullen across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 2-person household.
Age 63
b. ~1877
Male
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Mullen |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Allentown City |
| 1935 Residence (County) | Lehigh |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Jute mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Mechanic |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1877 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mullen | Head | — | 63 | ~1877 |
| Dorothy Mullen | Daughter | — | 20 | ~1920 |
Census Appearances
1920
Lehigh, Pennsylvania
Head, age 42
Lehigh, Pennsylvania · implied b. ~1878 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | Thomas A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1910 |
| Birthplace (normalized) | ireland |
1930
Lehigh, Pennsylvania
Head, age 52
Lehigh, Pennsylvania · implied b. ~1878 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | Thomas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Spinning Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 4900 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Lehigh-County, Pennsylvania
Head, age 63
Lehigh-County, Pennsylvania · implied b. ~1877 — 2 household members
| Surname | Mullen |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Allentown City |
| 1935 Residence (County) | Lehigh |
| Naturalization Status | Naturalized |
| Occupation | Mechanic |
| Industry | Jute mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mullen
Head · 1940 · age 63 · b. ~1877 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03543-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arlene Gilbert | 17 | Step-daughter | — | Pennsylvania |
| 42 | Lena Nonnemaker | 28 | Niece | Sewing Machine Operator | Pennsylvania |
| 43 | Robert Nonnemaker | 18 | Nephew | Watchman | Pennsylvania |
| 44 | Beatrice Nonnemaker | 16 | Niece | — | Pennsylvania |
| 45 | Doris Nonnemaker | 14 | Niece | — | Pennsylvania |
| 46 | Thomas Mullen THIS PERSON | 63 | Head | Mechanic | Ireland |
| 47 | Dorothy Mullen | 20 | Daughter | Winder | Pennsylvania |
| 48 | John Mullen | 21 | Head | Mechanic | Pennsylvania |
| 49 | Murina Mullen | 22 | Wife | — | Pennsylvania |
| 50 | Raymond Weider | 46 | Head | Laborer | Pennsylvania |
| 51 | Mabel Weider | 45 | Wife | — | Pennsylvania |
| 52 | Oline Weider | 22 | Daughter | Machine Operator | Pennsylvania |
| 53 | Charles Weider | 21 | Son | Mechanical Draftsman | Pennsylvania |
| 54 | Dorothy Weider | 18 | Daughter | Folder | Pennsylvania |
| 55 | Miriam Weider | 15 | Daughter | — | Pennsylvania |
| 56 | Arthur Heintzelman | 39 | Head | Laborer | Pennsylvania |
| 57 | Mary Heintzelman | 37 | Wife | — | Pennsylvania |
| 58 | Catherine Heintzelman | 19 | Daughter | Trimmer | Pennsylvania |
| 59 | Earl Heintzelman | 17 | Son | — | Pennsylvania |
| 60 | Harold Heintzelman | 16 | Son | — | Pennsylvania |
| 61 | Sterling Heintzelman | 15 | Son | — | Pennsylvania |
| 62 | Arthur J. Muscick | 40 | Head | Truck-Driver | Pennsylvania |
| 63 | Cora Muscick | 31 | Wife | — | Pennsylvania |
| 64 | Arthur Jr. Muscick | 9 | Son | — | Pennsylvania |
| 65 | Clifford C. Muscick | 6 | Son | — | Pennsylvania |
| 66 | Barbara Ann Muscick | 0 | Daughter | — | Pennsylvania |
| 67 | Sara E. Williams | 64 | Head | Housekeeper | Pennsylvania |
| 68 | Daniel Williams | 39 | Son | Steam-Fitter | Pennsylvania |
| 69 | Bertha Williams | 35 | Daughter-in-law | — | Pennsylvania |
| 70 | Carl H. Butler | 50 | Head | Painter | Pennsylvania |
| 71 | Minnie Butler | 48 | Wife | — | Pennsylvania |
| 72 | Jean Butler | 18 | Daughter | Trimmer | Pennsylvania |
| 73 | Richard Butler | 16 | Son | — | Pennsylvania |
| 74 | Hermit W. Fretters | 26 | Head | Supervisor | Pennsylvania |
| 75 | Loretta Fretters | 23 | Wife | — | Pennsylvania |
| 76 | Barbara Fretters | 3 | Daughter | — | Pennsylvania |
| 77 | Lewis Rhode | 38 | Lodger | Fruit Salesman | Pennsylvania |
| 78 | Mamie Rhode | 37 | Lodger (Wife) | Manager | Pennsylvania |
| 79 | Wilbur Rhode | 16 | Lodger (Son) | — | Pennsylvania |
| 80 | Dorothy Rhode | 13 | Lodger (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)