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Henry Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Henry Mason across the 1910, 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.
Age 74
b. ~1866
Male
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Phila |
| Est. Birth Year | ~1866 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Mason | Head | — | 74 | ~1866 |
| Margaret Neill | Daughter | — | 80 | ~1860 |
| George Mason | Son | — | 37 | ~1903 |
| Margaret Mason | Daughter | — | 40 | ~1900 |
Census Appearances
1910
Philadelphia, Pennsylvania
Head, age 48
Philadelphia, Pennsylvania · implied b. ~1862 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harry |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 24 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Foreman |
| Industry | Mill |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Philadelphia, Pennsylvania
Head, age 59
Philadelphia, Pennsylvania · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Painter |
| Industry | House Paint |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | England |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | england |
1930
Philadelphia, Pennsylvania
Head, age 69
Philadelphia, Pennsylvania · implied b. ~1861 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1870 |
| Age at First Marriage | 25 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Spinner |
| Industry | Worsted Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Philadelphia-County, Pennsylvania
Head, age 74
Philadelphia-County, Pennsylvania · implied b. ~1866 — 4 household members
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Henry Mason across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Henry Mason
Head · 1940 · age 74 · b. ~1866 · 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 — 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-t0627-03701-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Perni | 50 | Head | Architect | Penna |
| 42 | Nancy Perni | 49 | Wife | — | Penna |
| 43 | Joseph Perni | 22 | Son | — | Penna |
| 44 | Barbara Perni | 18 | Daughter | — | Penna |
| 45 | Anne Ryan | 26 | Servant | General House | Eire |
| 46 | William Kohler | 64 | Head | Gardener | Penna |
| 47 | Rachel Kohler | 51 | Wife | — | Penna |
| 48 | Margaret Kohler | 30 | Daughter | Bookkeeper | Penna |
| 49 | Robert J. Kohler | 25 | Son | Salesman | Penna |
| 50 | Alexander Kohler | 21 | Son | Clerk | Penna |
| 51 | David Kohler | 17 | Son | — | Penna |
| 52 | Ida M. Grebe | 67 | Head | — | Penna |
| 53 | Harriett Long | 28 | Lodger | Administrator | Ohio |
| 54 | Adelaide Ludwig | 18 | Lodger | — | Penna |
| 55 | Joseph Kane | 47 | Head | Chauffeur | Penna |
| 56 | Susan Kane | 38 | Wife | — | Penna |
| 57 | Joseph Kane | 15 | Son | — | Penna |
| 58 | John Kane | 13 | Son | — | Penna |
| 59 | William Kane | 10 | Son | — | Penna |
| 60 | Andrew Kane | 5 | Son | — | Penna |
| 61 | Johanna Schuerr | 74 | Head | — | Germany |
| 62 | Emily Snyder | 83 | Lodger | — | Penna |
| 63 | Henry Mason THIS PERSON | 74 | Head | — | England |
| 64 | Margaret Mason | 40 | Daughter | — | Penna |
| 65 | George Mason | 37 | Son | Craftsman | Penna |
| 66 | Margaret Neill | 80 | Daughter | — | Ireland |
| 67 | Harry Griffith | 27 | Head | Salesman | Penna |
| 68 | Helen Griffith | 35 | Wife | Teacher | Penna |
| 69 | Richard Griffith | 2 | Son | — | Penna |
| 70 | Wilfred Rainford | 66 | Father-in-law | Mechanic | England |
| 71 | Christie Rainford | 61 | Mother-in-law | — | Scotland |
| 72 | Walter Lavelle | 61 | Head | Dentist | Penna |
| 73 | Lillian J. Lavelle | 55 | Wife | — | Penna |
| 74 | Richard Lavelle | 25 | Son | Accountant | Penna |
| 75 | Helene Lavelle | 21 | Daughter | Nurse | Penna |
| 76 | Robert Lavelle | 19 | Son | Apprentice | Penna |
| 77 | John B. Hunslow | 69 | Head | Painter | Penna |
| 78 | Florence Hunslow | 63 | Wife | — | Penna |
| 79 | Charles Parmentier | 35 | Head | Liquor Salesman | Penna |
| 80 | Margaret Parmentier | 37 | Wife | — | Penna |
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)