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John Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this John Mullen across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 6-person household.
Age 72
b. ~1868
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Mullen |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Birmingham City (Ensley) |
| 1935 Residence (County) | Jefferson |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Birmingham City Ensley |
| Est. Birth Year | ~1868 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sarah Walton | Daughter | — | 24 | ~1916 |
| John Mullen | Head | — | 72 | ~1868 |
| Frank Walton | Other | — | ~1940 | |
| Frank Walton | Other | — | 33 | ~1907 |
| Mary Walton | Other | — | 2 | ~1938 |
| Catherine Mullen | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Jefferson, Alabama
Head, age 53
Jefferson, Alabama · implied b. ~1867 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1914 |
| Birthplace (normalized) | scotland |
1930
Jefferson, Alabama
Head, age 62
Jefferson, Alabama · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Miner |
| Industry | Coal mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 1500 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Jefferson-County, Alabama
Head, age 72
Jefferson-County, Alabama · implied b. ~1868 — 6 household members
| Surname | Mullen |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Birmingham City (Ensley) |
| 1935 Residence (County) | Jefferson |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John Mullen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mullen
Head · 1940 · age 72 · b. ~1868 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00098-00740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James A. Salter | 1 | Son | — | Alabama |
| 2 | John F. Mullen THIS PERSON | 72 | Head | — | Scotland |
| 3 | Catherine B. Mullen | 64 | Wife | — | Scotland |
| 4 | Sarah Walton | 24 | Daughter | — | Alabama |
| 5 | Frank Walton | 33 | Son-in-law | Attendant | Alabama |
| 6 | Mary C. Walton | 2 | Grand Daughter | — | Alabama |
| 7 | Frank E. Walton | 0 | Grand son | — | Alabama |
| 8 | William J. Mccrary | 40 | Head | Electrician | Alabama |
| 9 | Myrtle Mccrary | 38 | Wife | — | Alabama |
| 10 | Laura M. Mccrary | 0 | Daughter | — | Alabama |
| 11 | William W. Davis | 46 | Head | Furnace Stoker | Alabama |
| 12 | Nellie Davis | 45 | Wife | — | Alabama |
| 13 | Jimmie Davis | 14 | Son | — | Alabama |
| 14 | Wallace Forshee | 72 | Father-in-law | — | Alabama |
| 15 | Sallie Forshee | 69 | Mother-in-law | — | Alabama |
| 16 | Minnie Pitts | 44 | Head | — | Alabama |
| 17 | Clarence H. Pitts | 26 | Son | Butcher | Alabama |
| 18 | Ralph Pitts | 24 | Son | Concrete Mixer | Alabama |
| 19 | Edward D. Pitts | 22 | Son | Truck Driver | Alabama |
| 20 | Dorothy D. Pitts | 19 | Daughter | Clerk | Alabama |
| 21 | David M. Graham | 51 | Head | Rail Straightener | Alabama |
| 22 | Elda Graham | 56 | Wife | — | Indiana |
| 23 | Mary Lee Graham | 35 | Daughter | — | Alabama |
| 24 | Jesse J. Graham | 26 | Son | Bundler | Alabama |
| 25 | Elda M. Graham | 13 | Daughter | — | Alabama |
| 26 | Annie C. Brymer | 68 | Head | — | Alabama |
| 27 | Bethea, Olivier Brymer | 10 | Nephew | — | Alabama |
| 28 | James C. Adcock | 22 | Head | Clerk | Mississippi |
| 29 | Ethel Adcock | 20 | Wife | — | Alabama |
| 30 | Shirley R. Adcock | 2 | Daughter | — | Alabama |
| 31 | James E. Murphy | 48 | Head | Painter | Alabama |
| 32 | Mae Murphy | 29 | Wife | — | Alabama |
| 33 | Lyodd E. Murphy | 9 | Son | — | Alabama |
| 34 | Frank Murphy | 56 | Brother | Coal Miner | England |
| 35 | Hugh Murphy | 52 | Brother | Coal Miner | England |
| 36 | Sam, Jr. Brodie | 46 | Head | Elec. Crane Oper. | Alabama |
| 37 | Elizabeth Brodie | 47 | Wife | — | England |
| 38 | E. Helen Brodie | 18 | Daughter | — | Alabama |
| 39 | Beverly Brodie | 16 | Daughter | — | Alabama |
| 40 | John Brodie | 12 | Son | — | Alabama |
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)