JL
John Leary — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New Haven, Connecticut
Our Model Tree links this John Leary across the 1910 and 1920 US Censuses in New Haven, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 7-person household.
Age 46
b. ~1874
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | New Haven, Connecticut |
| Surname | Leary |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Fireman |
| Industry | Boiler Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1899 |
| Birthplace (normalized) | ireland |
| Occupation | Fireman |
| Township / Ward | New Haven City |
| Est. Birth Year | ~1874 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frank Leary | Son | — | 15 | ~1905 |
| Thomas Leary | Son | — | 8 | ~1912 |
| John Leary | Head | — | 46 | ~1874 |
| David Leary | Son | — | 10 | ~1910 |
| James Leary | Son | — | 14 | ~1906 |
| Bridget Leary | Spouse | — | 43 | ~1877 |
| Michael Leary | Son | — | 11 | ~1909 |
Census Appearances
1910
New Haven, …
Head, age 36
New Haven, Connecticut · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leary |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 7 |
| Year of Immigration | 1893 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Wire Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New Haven, …
Head, age 46
New Haven, Connecticut · implied b. ~1874 — 7 household members
| Surname | Leary |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Boiler Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1899 |
| Birthplace (normalized) | ireland |
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 John Leary across 2 US Census years (1910 and 1920) in New Haven, Connecticut, using XGBoost record linkage.
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This person
Anchor record
John Leary
Head · 1920 · age 46 · b. ~1874 · Connecticut
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — New Haven, Connecticut
Open full size
1920 US Federal Census — New Haven, Connecticut
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu193unit:0676)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen M. Conrad | 8 | Daughter | — | Connecticut |
| 2 | Lillian E. Conrad | 6 | Daughter | — | Connecticut |
| 3 | Frances Conrad | 5 | Daughter | — | Connecticut |
| 4 | Charles Hobart | 34 | Head | Rope Maker | Russian Poland |
| 5 | Minnie Hobart | 34 | Wife | — | Russian Poland |
| 6 | Wanda Hobart | 8 | Daughter | — | Connecticut |
| 7 | Helen Hobart | 6 | Daughter | — | Connecticut |
| 8 | Jennie Hobart | 4 | Daughter | — | Connecticut |
| 9 | Anna Hobart | 1 | Daughter | — | Connecticut |
| 10 | John Janulaitis | 36 | Head | Feeder | Lithuania |
| 11 | Agina Janulaitis | 33 | Wife | — | Lithuania |
| 12 | Stella Janulaitis | 5 | Daughter | — | Connecticut |
| 13 | William Janulaitis | 3 | Son | — | Connecticut |
| 14 | George Janulaitis | 20 | Brother | Feeder | Lithuania |
| 15 | Tony Balchus | 41 | Head | Polisher | Lithuania |
| 16 | Elizabeth Balchus | 30 | Wife | Shoe Maker | Lithuania |
| 17 | Joseph Balchus | 12 | Son | — | Lithuania |
| 18 | John Balchus | 11 | Son | — | Lithuania |
| 19 | Tony Pavichas | 37 | Boarder | Polisher | Lithuania |
| 20 | Andrew Moraccio | 50 | Head | — | Italy |
| 21 | Elizabeth Moraccio | 22 | Daughter | Finisher | Connecticut |
| 22 | Joseph M. Moraccio | 20 | Son | Stock Clerk | Connecticut |
| 23 | Salvatore Moraccio | 15 | Son | Packer | Connecticut |
| 24 | Arthur Lambert | 24 | Boarder | Trimming | Connecticut |
| 25 | Frank Mirandopoli | 28 | Head | Barber | Italy |
| 26 | Jennie Mirandopoli | 21 | Wife | Stitcher | Connecticut |
| 27 | Joseph Mirandopoli | 2 | Son | — | Connecticut |
| 28 | Lena Mirandopoli | 1 | Daughter | — | Connecticut |
| 29 | Gaston Mirandopoli | 0 | Son | — | Connecticut |
| 30 | Guerino Struzi | 24 | Head | Presser | Italy |
| 31 | Esther Struzi | 28 | Wife | Keeper | Connecticut |
| 32 | Jennie M. Struzi | 5 | Daughter | — | Connecticut |
| 33 | Blagio Struzi | 3 | Son | — | Connecticut |
| 34 | James Ambrose | 48 | Head | — | Italy |
| 35 | James S. Ambrose | 23 | Son | Steam Fitter | Connecticut |
| 36 | Salvatore Ambrose | 21 | Son | Printer | Connecticut |
| 37 | Frank P. Ambrose | 19 | Son | Stock Clerk | Connecticut |
| 38 | Anthony Ambrose | 17 | Son | Time Keeper | Connecticut |
| 39 | Louise J. Ambrose | 15 | Daughter | — | Connecticut |
| 40 | John Ambrose | 13 | Son | — | Connecticut |
| 41 | Benjamin Ambrose | 10 | Son | — | Connecticut |
| 42 | John J. Leary THIS PERSON | 46 | Head | Fireman | Ireland |
| 43 | Bridget M. Leary | 43 | Wife | — | Ireland |
| 44 | Frank J. Jr. Leary | 15 | Son | — | Connecticut |
| 45 | James F. Leary | 14 | Son | Office Boy | Connecticut |
| 46 | Michael D. Leary | 11 | Son | — | Connecticut |
| 47 | David H. Leary | 10 | Son | — | Connecticut |
| 48 | Thomas J. Leary | 8 | Son | — | Connecticut |
| 49 | Ralph Carbone | 31 | Head | Barber | Italy |
| 50 | Rose Carbone | 31 | Wife | — | Italy |
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)