MC
Mary Cavanaugh — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Cavanaugh across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 3-person household.
Age 35
b. ~1885
Female
Spouse
Born: England
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, New Jersey |
| Surname | Cavanaugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | england |
| Township / Ward | Newark City |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Cavanaugh | Head | — | 35 | ~1885 |
| Harold Cavanaugh | Son | — | 13 | ~1907 |
| Mary Cavanaugh | Spouse | — | 35 | ~1885 |
Census Appearances
1920
Essex, New …
Spouse, age 35
Essex, New Jersey · implied b. ~1885 — 3 household members
| Surname | Cavanaugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | england |
1930
Essex, New …
Spouse, age 47
Essex, New Jersey · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanagh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | England |
| Age at First Marriage | 19 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Bergen-County, New …
Spouse, age 57
Bergen-County, New Jersey · implied b. ~1883 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kavanagh |
| Given Name | Mae |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Occupation | Waitress |
| Industry | Tea Room |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cavanaugh
Spouse · 1920 · age 35 · b. ~1885 · 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
50 people indexed on this census page (ia:1920:14thcensusofpopu1037unit:0681)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert J. Schaefer | 34 | Head | Clerk | New Jersey |
| 2 | Elizabeth Schaefer | 30 | Wife | — | New Jersey |
| 3 | Ruth Schaefer | 5 | Daughter | — | New Jersey |
| 4 | Robert J. Jr. Schaefer | 3 | Son | — | New Jersey |
| 5 | Roman Hacker | 54 | Head | Foreman | New Jersey |
| 6 | Emma Hacker | 52 | Wife | — | New Jersey |
| 7 | Anna Mason | 27 | Daughter | — | New Jersey |
| 8 | Rita Mason | 1 | Daughter | — | Pennsylvania |
| 9 | Mary E. James | 46 | Head | — | New Jersey |
| 10 | Theresa C. James | 40 | Sister | Clerk | New Jersey |
| 11 | Anna James | 40 | Sister-in-law | Clerk | New Jersey |
| 12 | George James | 12 | Nephew | — | New Jersey |
| 13 | Anna Marie James | 9 | Niece | — | New Jersey |
| 14 | Joseph James | 8 | Nephew | — | New Jersey |
| 15 | Regina R. James | 4 | Niece | — | New Jersey |
| 16 | George V. James | 32 | Head | Draftsman | New Jersey |
| 17 | Genevieve James | 30 | Wife | — | New Jersey |
| 18 | Louis Burkett | 31 | Boarder | Electrician | New Jersey |
| 19 | Martin Reilly | 69 | Head | Watchman | Ireland |
| 20 | Ellen Reilly | 60 | Wife | — | Ireland |
| 21 | John J. Reilly | 30 | Son | Policeman | New Jersey |
| 22 | Michael Reilly | 29 | Son | Policeman | New Jersey |
| 23 | Margaret Reilly | 25 | Daughter | Clerk | New Jersey |
| 24 | Martin Reilly | 23 | Son | — | New Jersey |
| 25 | Helen Reilly | 21 | Daughter | Clerk | New Jersey |
| 26 | Louis Mills | 38 | Head | Packer | New Jersey |
| 27 | Katherine Mills | 39 | Wife | — | New York |
| 28 | Halsey W. Mills | 5 | Son | — | New Jersey |
| 29 | Michael J. Reilly | 56 | Head | Superintendent | Ireland |
| 30 | Ellen Reilly | 57 | Wife | — | Ireland |
| 31 | John Reilly | 29 | Son | Bookkeeper | Massachusetts |
| 32 | Francis M. Reilly | 24 | Son | Stenographer | Massachusetts |
| 33 | Charles Leo Reilly | 26 | Son | Clerk | Massachusetts |
| 34 | William G. Coe | 62 | Head | Asst Foreman | New Jersey |
| 35 | Mary E. Coe | 59 | Wife | — | Germany |
| 36 | Kathleen Mary G. Coe | 29 | Niece | Saleslady | Canada |
| 37 | John H. Coe | 6 | Nephew | — | New Jersey |
| 38 | Bruno S. Schaefer | 53 | Head | Agent | New Jersey |
| 39 | Agnes G. Schaefer | 52 | Wife | — | New Jersey |
| 40 | Alison Louise G. Schaefer | 21 | Daughter | — | New Jersey |
| 41 | Son In Law Howard | 23 | Son in law | Butcher | New York |
| 42 | William P. Schauffer | 27 | Head | Buyer | New Jersey |
| 43 | Bertha Schauffer | 23 | Wife | — | New Jersey |
| 44 | Olga Mary Schauffer | 1 | Daughter | — | New Jersey |
| 45 | Theobold Reinhardt | 63 | Head | — | Alsace Lorraine |
| 46 | Margaret Reinhardt | 60 | Wife | — | Alsace Lorraine |
| 47 | Lawrence Cavanaugh | 35 | Head | Engraver | Connecticut |
| 48 | Mary Cavanaugh THIS PERSON | 35 | Wife | — | England |
| 49 | Harold Cavanaugh | 13 | Son | — | New York |
| 50 | Peter Reinhardt | 37 | Head | Letter Carrier | Alsace Lorraine |
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)