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John Mulligan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New York, New York
Our Model Tree links this John Mulligan across the 1900, 1910 and 1920 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1842), then head of a 10-person household.
Age 78
b. ~1842
Male
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | New York, New York |
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Retired |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Retired |
| Township / Ward | New York City |
| Est. Birth Year | ~1842 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Riley | Daughter | — | 45 | ~1875 |
| John Riley | Other | — | 1 | ~1919 |
| Timothy Mulligan | Son | — | 34 | ~1886 |
| John Riley | Other | — | 24 | ~1896 |
| Eileen Mulligan | Other | — | 20 | ~1900 |
| Robert Mulligan | Son | — | 27 | ~1893 |
| Marie Mulligan | Other | — | 22 | ~1898 |
| John Mulligan | Head | — | 78 | ~1842 |
| John Mulligan | Son | — | 31 | ~1889 |
| James Mulligan | Son | — | 29 | ~1891 |
Census Appearances
1900
Kings, New …
Head, age 58
Kings, New York · implied b. ~1842 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Oct |
| Birth Year | 1842 |
| Year of Immigration | 1857 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | H. R. R. Conductor |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Kings, New …
Head, age 67
Kings, New York · implied b. ~1843 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 41 |
| Year of Immigration | 1868 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Sweeper |
| Industry | Streets N.Y. |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 78
New York, New York · implied b. ~1842 — 10 household members
| Surname | Mulligan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Retired |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| 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 Mulligan across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mulligan
Head · 1920 · age 78 · b. ~1842 · New York
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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 York, New York
Open full size
1920 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1190unit:0311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Mulligan THIS PERSON | 78 | Head | Retired | Ireland |
| 52 | Timothy Mulligan | 34 | Son | Painter | New York |
| 53 | John Mulligan | 31 | Son | Book Keeper | New York |
| 54 | James Mulligan | 29 | Son | Clerk | New York |
| 55 | Robert Mulligan | 27 | Son | Investigator | New York |
| 56 | Marie Mulligan | 22 | Grand daughter | None | New York |
| 57 | Eileen Mulligan | 20 | Grand daughter | None | New York |
| 58 | Gertrude Riley | 45 | Daughter | None | New York |
| 59 | John Riley | 24 | Son in law | Clerk | New York |
| 60 | John Riley | 1 | Grandson | None | New York |
| 61 | William Armstrong | 62 | Head | Lawyer | New York |
| 62 | Margaret Armstrong | 60 | Sister | None | New York |
| 63 | Mary Armstrong | 52 | Wife | Teacher | New York |
| 64 | Peter Lennon | 44 | Head | Driver | New York |
| 65 | Anna M. Lennon | 36 | Wife | None | New York |
| 66 | Lucas Lennon | 15 | Son | Messenger | New York |
| 67 | Anna Lennon | 13 | Daughter | None | New York |
| 68 | James Kelly | 53 | Head | Moulder | Ireland |
| 69 | Annie Kelly | 52 | Wife | None | Ireland |
| 70 | James Kelly | 26 | Son | N. Y. Edison | New York |
| 71 | William Kelly | 24 | Son | Boiler Maker | New York |
| 72 | Thomas Kelly | 23 | Son | Boiler Maker | New York |
| 73 | Lawrence Kelly | 22 | Son | Checker | New York |
| 74 | Elizabeth Dixon | 23 | Niece | Stitcher | New York |
| 75 | Mary Cunningham | 75 | Head | None | Ireland |
| 76 | Ida Cunningham | 40 | Daughter | None | New York |
| 77 | Kate Cunningham | 35 | Daughter | None | New York |
| 78 | James Tinsone | 55 | Son | None | New York |
| 79 | Joseph Mitchell | 73 | Head | Retired | Scotland |
| 80 | Bessie Mitchell | 73 | Wife | None | Scotland |
| 81 | Anna G. Mitchell | 37 | Daughter | None | New York |
| 82 | Catherine Mccormick | 51 | Head | None | Pennsylvania |
| 83 | William Mccormick | 25 | Son | Investigator | New York |
| 84 | Thomas Miller | 48 | Head | Clerk | New York |
| 85 | Elizabeth Miller | 47 | Wife | None | New York |
| 86 | Elizabeth Miller | 20 | Daughter | None | New York |
| 87 | Philip Chioia | 39 | Head | Interior | Italy |
| 88 | Angelina Chioia | 36 | Wife | None | Italy |
| 89 | Sadie Chioia | 15 | Daughter | None | New York |
| 90 | Annie Downey | 45 | Roomer | None | Ireland |
| 91 | Joseph Mcguire | 38 | Roomer | Salesman | Ireland |
| 92 | John Mcguire | 58 | Roomer | Salesman | Ireland |
| 93 | Helen Mchale | 23 | Roomer | Saleslady | Pennsylvania |
| 94 | Lotta Purcell | 24 | Roomer | Saleslady | Pennsylvania |
| 95 | Dominick Sandona | 23 | Roomer | Artist | Italy |
| 96 | Edward Sutphen | 23 | Roomer | Salesman | New Jersey |
| 97 | Raphael Marti | 20 | Roomer | Iron Worker | Porto Rico |
| 98 | Samuel Lightcap | 26 | Roomer | Assistant | Pennsylvania |
| 99 | Alice M. Lightcap | 30 | Wife Roomer | None | Pennsylvania |
| 100 | Nick Conway | 26 | Roomer | Cook | Turkey in Asia |
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)