JC
James Cannon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Cannon across the 1910, 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cannon |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Driver|Driving Club |
| Industry | Cab Co. |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Driver|Driving Club |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1904 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Cannon | Son | — | 36 | ~1904 |
| Bernard Carney | Son | — | 5 | ~1935 |
| Francis Cannon | Son | — | 30 | ~1910 |
| Michael Donnelly | Other | — | 39 | ~1901 |
| Anna Donnelly | Other | — | 38 | ~1902 |
| Joseph Cannon | Son | — | 28 | ~1912 |
| Charles Cannon | Son | — | 24 | ~1916 |
| James Cannon | Head | — | 68 | ~1872 |
Census Appearances
1910
Philadelphia, Pennsylvania
Other, age 3
Philadelphia, Pennsylvania · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | James Jr. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 14
Philadelphia, Pennsylvania · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 25
Philadelphia, Pennsylvania · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | Yes |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Chauffeur |
| Industry | Taxi Cab |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 36
Philadelphia-County, Pennsylvania · implied b. ~1904 — 8 household members
| Surname | Cannon |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Driver|Driving Club |
| Industry | Cab Co. |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 James Cannon across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Connor (~0.92 confidence) and father James Cannon (~0.92 confidence) and father James Cannon (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Connor
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Cannon
b. ~1872
Source father
● Household
· direct · ~0.92
Father
James Cannon
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Cannon
Son · 1940 · age 36 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Charles Cannon
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Cannon
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Carney
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cannon
Sibling · 1940 · age 28
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
31 people indexed on this census page (nara:1940:m-t0627-03729-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Massaio|Massaro Huck | 35 | Head | Kitchen Helper | Virginia |
| 2 | Mildred Huck | 31 | Wife | Maid | Pennsylvania |
| 3 | Attilie|Ottilie Mayer | 56 | Head | Packer | Pennsylvania |
| 4 | James Ward | 29 | Head | Waiter|Waiter Counter | Pennsylvania |
| 5 | Anna May Ward | 24 | Sister | Packer | Pennsylvania |
| 6 | Catherine Ward | 20 | Sister | Packer | Pennsylvania |
| 7 | Nellie Walsh | 48 | Head | Cleaner | Pennsylvania |
| 8 | James Walsh | 22 | Son | Clerk | Pennsylvania |
| 9 | Rita Walsh | 18 | Daughter | Inspectress | Pennsylvania |
| 10 | Mary Walsh | 14 | Daughter | — | Pennsylvania |
| 11 | Elizabeth Campbell | 56 | Head | Seamstress | Pennsylvania |
| 12 | Erskine Carter | 27 | Lodger | Artist | Pennsylvania |
| 13 | Madeline Carter | 24 | Lodger | — | Pennsylvania |
| 14 | Jacqueline Carter | 5 | Lodger | — | Pennsylvania |
| 15 | Geraldine Carter | 3 | Lodger | — | Pennsylvania |
| 16 | Charles Bromwell | 56 | Head | Carpenter | Maryland |
| 17 | Rose Bromwell | 45 | Wife | — | England |
| 18 | Charles Bromwell | 23 | Son | Carpenter | Pennsylvania |
| 19 | George Bromwell | 21 | Son | New Worker | Pennsylvania |
| 20 | Mary Bromwell | 20 | Daughter | Waitress | Pennsylvania |
| 21 | Isabella Bromwell | 17 | Daughter | — | Pennsylvania |
| 22 | Francis Bromwell | 15 | Son | — | Pennsylvania |
| 23 | Charles Coombs | 19 | Son | New Worker | Pennsylvania |
| 24 | James G. Cannon | 68 | Head | Fireman | Pennsylvania |
| 25 | James Jr. Cannon THIS PERSON | 36 | Son | Driver|Driving Club | Pennsylvania |
| 26 | Francis Cannon | 30 | Son | Laborer | Pennsylvania |
| 27 | Joseph Cannon | 28 | Son | Laborer | Pennsylvania |
| 28 | Charles Cannon | 24 | Son | Truck Driver | Pennsylvania |
| 29 | Michael Donnelly | 39 | Brother-in-law | Salesman | Pennsylvania |
| 30 | Anna Donnelly | 38 | Sister | — | Pennsylvania |
| 31 | Bernard Carney | 5 | Son | — | Pennsylvania |
Pedigree Summary
James + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)