JC
James Cassidy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this James Cassidy across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lansdale |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Topper |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 390 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Topper |
| Township / Ward | Lansdale |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Cassidy | Daughter | — | 14 | ~1926 |
| James Cassidy | Son | — | 18 | ~1922 |
| Frances Cassidy | Daughter | — | 17 | ~1923 |
| Florence Cassidy | Spouse | — | 37 | ~1903 |
| John Cassidy | Son | — | 16 | ~1924 |
| Paul Cassidy | Son | — | 12 | ~1928 |
| James Cassidy | Head | — | 45 | ~1895 |
Census Appearances
1930
Montgomery, Pennsylvania
Son, age 8
Montgomery, Pennsylvania · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Montgomery-County, Pennsylvania
Son, age 18
Montgomery-County, Pennsylvania · implied b. ~1922 — 7 household members
| Surname | Cassidy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lansdale |
| 1935 Residence (County) | Montgomery |
| Occupation | Topper |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 390 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 James Cassidy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cassidy
Son · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Paul Cassidy
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cassidy
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Cassidy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cassidy
Sibling · 1940 · age 16
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03579-00483)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Milton D. Kulp | 48 | Head | Salesman | Pennsylvania |
| 42 | Mabel Kulp | 47 | Wife | — | Pennsylvania |
| 43 | Edith Kulp | 19 | Daughter | Operator | Pennsylvania |
| 44 | Merle Kulp | 17 | Son | — | Pennsylvania |
| 45 | Ray Kulp | 15 | Son | — | Pennsylvania |
| 46 | Milton Jr. Kulp | 9 | Son | — | Pennsylvania |
| 47 | Elizabeth Kulp | 6 | Daughter | — | Pennsylvania |
| 48 | James A. Cassidy | 45 | Head | Steward | Massachusetts |
| 49 | Florence Cassidy | 37 | Wife | Forelady | Massachusetts |
| 50 | James Cassidy THIS PERSON | 18 | Son | Topper | Massachusetts |
| 51 | Frances Cassidy | 17 | Daughter | — | Massachusetts |
| 52 | John Cassidy | 16 | Son | — | Massachusetts |
| 53 | Elizabeth Cassidy | 14 | Daughter | — | Massachusetts |
| 54 | Paul Cassidy | 12 | Son | — | Massachusetts |
| 55 | William A. Winton | 41 | Head | Steward | Pennsylvania |
| 56 | Blanche Winton | 41 | Wife | — | Pennsylvania |
| 57 | Kay Winton | 15 | Daughter | — | Pennsylvania |
| 58 | William Jr. Winton | 13 | Son | — | Pennsylvania |
| 59 | Martha Winton | 11 | Daughter | — | Pennsylvania |
| 60 | Franklin Winton | 8 | Son | — | Pennsylvania |
| 61 | Blanche Winton | 6 | Daughter | — | Pennsylvania |
| 62 | John A. Tiry | 52 | Head | Machinist | New York |
| 63 | Naomi S. Tiry | 42 | Wife | — | Pennsylvania |
| 64 | John W. Tiry | 20 | Son | Pharmacist | Pennsylvania |
| 65 | Harvey Lewis | 60 | Head | Harnessmaker | Pennsylvania |
| 66 | Magdeline Lewis | 59 | Wife | — | Pennsylvania |
| 67 | Elizabeth Lewis | 75 | Mother | — | Pennsylvania |
| 68 | Rosetta Rosenberger | 70 | Mother-in-law | — | Pennsylvania |
| 69 | L. Royal Krupp | 61 | Head | Moulder | Pennsylvania |
| 70 | Bertha Krupp | 55 | Wife | Laborer | Pennsylvania |
| 71 | Jeremiah E. Burley | 57 | Head | Janitor | Pennsylvania |
| 72 | Claire P. Burley | 55 | Wife | — | Pennsylvania |
| 73 | Deborah Hines | 53 | Lodger | Seamstress | Pennsylvania |
| 74 | Carrie E. Fisher | 63 | Head | — | Pennsylvania |
| 75 | Spence A. Rummell | 43 | Head | Salesman | Iowa |
| 76 | Flora Rummell | 41 | Wife | Bookkeeper | Pennsylvania |
| 77 | Mary Rummell | 13 | Daughter | — | Pennsylvania |
| 78 | Mary C. Ferantz | 68 | Head | — | 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)