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Harry Graham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Harry Graham across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Welder |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 10 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Welder |
| Township / Ward | Boothwyn |
| Est. Birth Year | ~1918 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Betty Graham | Daughter | — | 5 | ~1935 |
| Sarah Graham | Head | — | 45 | ~1895 |
| Helena Graham | Daughter | — | 17 | ~1923 |
| Harry Graham | Son | — | 22 | ~1918 |
| James Graham | Son | — | 15 | ~1925 |
| Dorothy Graham | Daughter | — | 13 | ~1927 |
| Donald Graham | Son | — | 8 | ~1932 |
| Elmer Graham | Son | — | 7 | ~1933 |
| Robert Graham | Son | — | 11 | ~1929 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 13
Delaware, Pennsylvania · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 22
Delaware-County, Pennsylvania · implied b. ~1918 — 9 household members
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Welder |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 10 |
| 1935 Residence | Pennsylvania |
| 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 Harry Graham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Graham
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
James Graham
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Graham
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Graham
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Graham
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Graham
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Graham
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Graham
Sibling · 1940 · age 8
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03496-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Smith | 35 | Sister | Finisher | Pennsylvania |
| 42 | Sophie Yeager | 60 | Mother | — | Delaware |
| 43 | Sarah Yeager | 38 | Sister | Clerk | Pennsylvania |
| 44 | Edward Russell | 37 | Head | Labor | Massachusetts |
| 45 | Caroline Russell | 30 | Wife | — | Pennsylvania |
| 46 | Alice Russell | 3 | Daughter | — | — |
| 47 | Wilma Russell | 1 | Daughter | — | — |
| 48 | Walter Chandler | 36 | Head | Labor | Maryland |
| 49 | Florence Chandler | 29 | Wife | — | Maryland |
| 50 | Joan Chandler | 7 | Daughter | — | Pennsylvania |
| 51 | Luigi Rausso | 70 | Head | Labor | Italy |
| 52 | Ronnie Rausso | 63 | Boarder | Labor | Italy |
| 53 | Leslie Snyder | 35 | Head | Operator | Maryland |
| 54 | Florence Snyder | 38 | Wife | — | New Jersey |
| 55 | Bernice Snyder | 16 | Daughter | — | Pennsylvania |
| 56 | Leslie Jr Snyder | 12 | Son | — | Pennsylvania |
| 57 | Harry Snyder | 10 | Son | — | Pennsylvania |
| 58 | Robert Snyder | 9 | Son | — | Pennsylvania |
| 59 | Charles Snyder | 7 | Son | — | Pennsylvania |
| 60 | William Snyder | 5 | Son | — | — |
| 61 | Mary Snyder | 4 | Daughter | — | — |
| 62 | John Baker | 31 | Head | Machinist | Virginia |
| 63 | Rose Baker | 31 | Wife | — | Pennsylvania |
| 64 | John W. Baker | 9 | Son | — | Pennsylvania |
| 65 | Robert S. Baker | 5 | Son | — | — |
| 66 | Barbara A. Baker | 3 | Daughter | — | — |
| 67 | Luciel Proth | 15 | Sister-in-law | — | Delaware |
| 68 | Sarah Graham | 45 | Head | — | Pennsylvania |
| 69 | Harry Graham THIS PERSON | 22 | Son | Welder | Pennsylvania |
| 70 | Helena Graham | 17 | Daughter | — | Pennsylvania |
| 71 | James Graham | 15 | Son | — | Pennsylvania |
| 72 | Dorothy Graham | 13 | Daughter | — | Pennsylvania |
| 73 | Robert Graham | 11 | Son | — | Pennsylvania |
| 74 | Donald Graham | 8 | Son | — | Pennsylvania |
| 75 | Elmer Graham | 7 | Son | — | Pennsylvania |
| 76 | Betty Lou Graham | 5 | Daughter | — | — |
| 77 | Gaetano Russo | 25 | Head | Carpenter | Pennsylvania |
| 78 | Mary Russo | 25 | Wife | — | Pennsylvania |
| 79 | Rita Russo | 3 | Daughter | — | — |
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)