WM
William Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Mullen across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Mullen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1928 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mullen | Daughter | — | 15 | ~1925 |
| Anne Mullen | Daughter | — | 18 | ~1922 |
| Edward Mullen | Other | — | 30 | ~1910 |
| Mary Mullen | Daughter | — | 26 | ~1914 |
| William Mullen | Son | — | 12 | ~1928 |
| Regina Mullen | Daughter | — | 29 | ~1911 |
| Edward Mullen | Head | — | 58 | ~1882 |
| Jane Mullen | Daughter | — | 8 | ~1932 |
| Anna Mullen | Spouse | — | 56 | ~1884 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 12
Philadelphia-County, Pennsylvania · implied b. ~1928 — 9 household members
| Surname | Mullen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| 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 William Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mullen
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Regina Mullen
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Mullen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Mullen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mullen
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mullen
Sibling · 1940 · age 15
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03724-00004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Nickels | 48 | Head | Inspector | Pennsylvania |
| 2 | Anna M Eckert | 30 | Sister | Clerk | Pennsylvania |
| 3 | Edwin L Eckert | 15 | Nephew | — | Pennsylvania |
| 4 | Mary Nickels | 78 | Mother | — | Northern Ireland |
| 5 | Lafenia Corner | 69 | Head | Asst. Buyer | Pennsylvania |
| 6 | Martha L Corner | 58 | Sister | Sales Woman | Pennsylvania |
| 7 | William G Rodgers | 62 | Head | Architect And Draftsman | Pennsylvania |
| 8 | Jennie N Rodgers | 65 | Wife | — | Pennsylvania |
| 9 | M. Belle Zenn | 67 | Servant | Practical Nurse | Pennsylvania |
| 10 | Frank R Moore | 46 | Head | Route Foreman | New Jersey |
| 11 | Alice Moore | 50 | Wife | — | Pennsylvania |
| 12 | Frank R Jr Moore | 19 | Son | Apprentice | Pennsylvania |
| 13 | Robert B Moore | 17 | Son | — | Pennsylvania |
| 14 | W. B. Stiles | 13 | Son | — | Pennsylvania |
| 15 | Benjamin G Koehler | 15 | Step-son | — | Pennsylvania |
| 16 | Anna L Koehler | 79 | Mother-in-law | — | Massachusetts |
| 17 | Edward Mullen | 58 | Head | Tailor/Bus. Mkr. | Pennsylvania |
| 18 | Anna Mullen | 56 | Wife | — | Pennsylvania |
| 19 | Regina Mullen | 29 | Daughter | Secretary | Pennsylvania |
| 20 | Mary Mullen | 26 | Daughter | Secretary | Pennsylvania |
| 21 | Anne Mullen | 18 | Daughter | — | Pennsylvania |
| 22 | Catherine Mullen | 15 | Daughter | — | Pennsylvania |
| 23 | William Mullen THIS PERSON | 12 | Son | — | Pennsylvania |
| 24 | Jane Mullen | 8 | Daughter | — | Pennsylvania |
| 25 | Edward Mullen | 30 | Nephew | Supervisor | Pennsylvania |
| 26 | M. L. Moyer | 79 | Head | — | Penna |
| 27 | Clara J Moyer | 53 | Daughter | Teacher | Penna |
| 28 | Mary L Moyer | 46 | Daughter | Stenographer | Penna |
| 29 | Hubert D Wootten | 34 | Head | Printer | Pennsylvania |
| 30 | Helen O Wootten | 35 | Wife | — | Pennsylvania |
| 31 | Ann M Wootten | 7 | Daughter | — | Pennsylvania |
| 32 | Eileen Wootten | 3 | Daughter | — | Pennsylvania |
| 33 | Geraldine Wootten | 1 | Daughter | — | Pennsylvania |
| 34 | Charles Mcgill | 44 | Brother-in-law | Auto Mechanic | Pennsylvania |
| 35 | Edw. J. Mcgill | 33 | Brother-in-law | Clerk-Man | Pennsylvania |
| 36 | Joseph J. Stratton | 62 | Head | Lawyer | Texas |
| 37 | Mary E. Stratton | 45 | Wife | Secretary | Penna |
| 38 | Clarke M. Williams | 68 | Mother-in-law | — | Penna |
| 39 | Edith D Lippincott | 75 | Head | — | New Jersey |
| 40 | Lydia R Lippincott | 77 | Sister | — | New Jersey |
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)