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Mary Mulligan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Mulligan across the 1900, 1910 and 1920 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1851), then head of a 4-person household.
Age 69
b. ~1851
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, New Jersey |
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1870 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1876 |
| Birthplace (normalized) | ireland |
| Township / Ward | Newark City |
| Est. Birth Year | ~1851 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Lewis | Other | — | 24 | ~1896 |
| John Mulligan | Son | — | 24 | ~1896 |
| Emmett Branson | Other | — | 24 | ~1896 |
| Mary Mulligan | Head | — | 69 | ~1851 |
Census Appearances
1900
Essex, New …
Other, age 49
Essex, New Jersey · implied b. ~1851 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Mother in Law |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | Jan |
| Birth Year | 1851 |
| Year of Immigration | 1871 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Essex, New …
Other, age 58
Essex, New Jersey · implied b. ~1852 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Years Married | 29 |
| Children Born | 5 |
| Children Living | 3 |
| Year of Immigration | 1852 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Essex, New …
Head, age 69
Essex, New Jersey · implied b. ~1851 — 4 household members
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1870 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1876 |
| 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 Mary Mulligan across 3 US Census years (1900, 1910 and 1920) in Essex, New Jersey, using XGBoost record linkage.
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This person
Anchor record
Mary Mulligan
Head · 1920 · age 69 · b. ~1851 · New Jersey
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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 — Essex, New Jersey
Open full size
1920 US Federal Census — Essex, New Jersey
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu1033unit:1097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick Koch | 39 | Head | Foreman | New Jersey |
| 2 | Emma L Koch | 32 | Wife | Janitress | New Jersey |
| 3 | Mildred Koch | 11 | Daughter | — | New Jersey |
| 4 | Milton Koch | 9 | Son | — | New Jersey |
| 5 | Edwin Koch | 7 | Son | — | New Jersey |
| 6 | George Breeze | 31 | Head | Brakeman | New Jersey |
| 7 | Margaret Breeze | 28 | Wife | — | New Jersey |
| 8 | George Breeze | 3 | Son | — | New Jersey |
| 9 | Margaret Murphy | 65 | Mother-in-law | — | New York |
| 10 | John J Murphy | 25 | Head | Insurance | New York |
| 11 | Mildred Murphy | 26 | Wife | — | New York |
| 12 | Kenneth Murphy | 2 | Son | — | New York |
| 13 | Albert F Gendler | 62 | Head | Watchman | Germany |
| 14 | Elizabeth A Gendler | 66 | Wife | — | Michigan |
| 15 | Louis Gendler | 48 | Brother | Watchman | New York |
| 16 | William A Biglin | 41 | Head | Jeweler | New York |
| 17 | Bertha M Biglin | 24 | Wife | — | New York |
| 18 | Marion Biglin | 6 | Daughter | — | New York |
| 19 | Harold Biglin | 2 | Son | — | New York |
| 20 | William A Biglin | 1 | Son | — | New York |
| 21 | Albert Balch | 24 | Head | Painter | New Jersey |
| 22 | Mary E Balch | 22 | Wife | Clerk | New Jersey |
| 23 | Richard Williams | 37 | Head | Express | Wales |
| 24 | Frances Williams | 31 | Wife | — | New Jersey |
| 25 | Dorothy Williams | 13 | Daughter | — | New Jersey |
| 26 | Charles J Bauman | 42 | Head | Draftsman | New Jersey |
| 27 | Amelia Bauman | 41 | Wife | — | New Jersey |
| 28 | Arthur Frazier | 33 | Head | Mason | New Jersey |
| 29 | Mary H Frazier | 37 | Wife | Clerk | Pennsylvania |
| 30 | Ruth M Frazier | 11 | Daughter | — | New Jersey |
| 31 | Arthur A Frazier | 32 | Brother | Brakeman | New Jersey |
| 32 | Arthur Stadling | 34 | Head | Brakeman | New Jersey |
| 33 | Edith Stadling | 34 | Wife | — | England |
| 34 | Leonard E Lise | 36 | Head | Brakeman | New Jersey |
| 35 | Bessie B Lise | 31 | Wife | — | New Jersey |
| 36 | Albert E Clark | 31 | Head | Electrician | Pennsylvania |
| 37 | Sarah E Clark | 29 | Wife | — | New York |
| 38 | Nathan Jacobs | 21 | Lodger | Salesman | New York |
| 39 | Thomas Hathaway | 28 | Head | Insurance | New York |
| 40 | Thelma Hathaway | 21 | Wife | — | New York |
| 41 | Louis H Macfellan | 25 | Head | Clerk | New York |
| 42 | Edna M Macfellan | 23 | Wife | Clerk | New York |
| 43 | Isabell Macfellan | 21 | Sister | Clerk | New York |
| 44 | Stewart H Macfellan | 34 | Brother | Clerk | New York |
| 45 | Mary Mulligan THIS PERSON | 69 | Head | — | Ireland |
| 46 | John Mulligan | 24 | Son | Clerk | New York |
| 47 | Emmett J Branson | 24 | Boarder | Clerk | Pennsylvania |
| 48 | Francis W Lewis | 24 | Boarder | Clerk | New Jersey |
| 49 | Ida May Kroll | 24 | Head | Clerk | New Jersey |
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)