JC
James Connolly — 1920 US Census Record
Model Tree available1920 United States Federal Census · Erie, New York
Our Model Tree links this James Connolly across the 1920, 1930 and 1940 US Censuses in Erie, New York (XGBoost, ~Confirmed), with identified parents George & James — first a son (b.~1917), then head of a 9-person household.
Age 3
b. ~1917
Male
Son
Born: New York
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Erie, New York |
| Surname | Connolly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1917 |
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 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Frank Snow | Other | — | 23 | ~1897 |
| Helen Connolly | Spouse | — | 31 | ~1889 |
| Archie Miller | Other | — | 30 | ~1890 |
| Clancy Killing | Other | — | 24 | ~1896 |
| James Connolly | Son | — | 3 | ~1917 |
| William Snow | Other | — | 24 | ~1896 |
| James Mahanha | Other | — | 24 | ~1896 |
| James Connolly | Head | — | 31 | ~1889 |
| William Connolly | Son | — | 2 | ~1918 |
Census Appearances
1920
Erie, New …
Son, age 3
Erie, New York · implied b. ~1917 — 9 household members
| Surname | Connolly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Son, age 13
Erie, New York · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
Son, age 23
Erie-County, New York · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Occupation | Office Clerk |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Connolly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Connelly (~0.92 confidence) and father James Connelly (~0.92 confidence) and father James Connolly (~0.92 confidence) and mother Anna Connelly (~0.92 confidence) and mother Helen Connolly (~0.92 confidence) and mother Helen Connelly (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Connelly
b. ~1885
Source father
● Household
· direct · ~0.92
Father
James Connelly
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Connolly
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Anna Connelly
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Helen Connolly
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Helen Connelly
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Connolly
Son · 1920 · age 3 · b. ~1917 · New York
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Sibling
William Connolly
Sibling · 1920 · age 2
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
1920 US Federal Census — Erie, New York
Open full size
1920 US Federal Census — Erie, New York
Page Contents
37 people indexed on this census page (ia:1920:14thcensusofpopu1108unit:0039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur Honsberger | 73 | Head | — | Canada |
| 52 | Susan Honsberger | 73 | Wife | — | Canada |
| 53 | D. Nellie Eiss | 39 | Daughter | Dressmaker | Canada |
| 54 | Margaret Eiss | 16 | Granddaughter | — | New York |
| 55 | Clara Roberts | 36 | Daughter | Dermatologist | Canada |
| 56 | John Roberts | 13 | Grandson | — | New York |
| 57 | Clark Waterman | 32 | Head | Spec. Policeman | Ohio |
| 58 | Mabel G. Waterman | 34 | Wife | — | Ohio |
| 59 | Floyd Waterman | 7 | Son | — | Ohio |
| 60 | Charlton Duvall | 27 | Head | Mechanic | Kentucky |
| 61 | Mabel Duvall | 26 | Wife | — | Illinois |
| 62 | Elaine Duvall | 1 | Daughter | — | Chicago |
| 63 | Humphrey Falvey | 78 | Head | — | Ireland |
| 64 | Katherine Falvey | 73 | Wife | — | Ireland |
| 65 | Mary Dorm | 52 | Daughter | Saleslady | New York |
| 66 | Adelaide Falvey | 46 | Daughter | Saleslady | New York |
| 67 | Irene Falvey | 11 | Granddaughter | — | New York |
| 68 | William Falvey | 9 | Grandson | — | New York |
| 69 | Alexander Brown | 52 | Head | Engineer | Canada |
| 70 | Emma Brown | 44 | Wife | — | New York |
| 71 | Walter Brown | 22 | Son | — | New York |
| 72 | Mary Mccarthy | 43 | Sister | Saleslady | New York |
| 73 | David J. Morin | 47 | Head | Mechanic | Canada |
| 74 | Clara Morin | 47 | Wife | — | Massachusetts |
| 75 | Harry Morin | 13 | Son | Mechanic | Massachusetts |
| 76 | Margaret Morin | 15 | Daughter | — | Massachusetts |
| 77 | Dinah Morin | 23 | Daughter-in-law | — | Scotland |
| 78 | Margaret Morin | 68 | Mother | — | Canada |
| 79 | James Connolly | 31 | Head | Retail Buyer | New York |
| 80 | Helen Connolly | 31 | Wife | — | New York |
| 81 | James Connolly THIS PERSON | 3 | Son | — | New York |
| 82 | William Connolly | 2 | Son | — | New York |
| 83 | Frank Snow | 23 | Boarder | Mechanic | New York |
| 84 | William Snow | 24 | Boarder | Inspector | New York |
| 85 | Archie Miller | 30 | Boarder | Cashier | Pennsylvania |
| 86 | Clancy Killing | 24 | Boarder | — | Pennsylvania |
| 87 | James Mahanha | 24 | Boarder | Mechanic | New York |
Related Census Records
Pedigree Summary
James + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)