MJ
Mary Jennings — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Jennings across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 5-person household.
Age 31
b. ~1889
Female
Spouse
Born: Scotland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, New Jersey |
| Surname | Jennings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1906 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Town Of Belleville |
| Est. Birth Year | ~1889 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jean Jennings | Daughter | — | 6 | ~1914 |
| Ruth Jennings | Daughter | — | 5 | ~1915 |
| Joan Jennings | Daughter | — | 2 | ~1918 |
| Bruce Jennings | Head | — | 30 | ~1890 |
| Mary Jennings | Spouse | — | 31 | ~1889 |
Census Appearances
1920
Essex, New …
Spouse, age 31
Essex, New Jersey · implied b. ~1889 — 5 household members
| Surname | Jennings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1906 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Essex, New …
Spouse, age 44
Essex, New Jersey · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, New …
Spouse, age 57
Essex-County, New Jersey · implied b. ~1883 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H 6 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Jennings 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 Jennings
Spouse · 1920 · age 31 · b. ~1889 · 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:1920:14thcensusofpopu1028unit:0070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Peterson | 30 | Wife | — | New York |
| 2 | Richard Peterson | 7 | Son | — | New Jersey |
| 3 | Sigurd Erickson | 40 | Head | Shipper | Norway |
| 4 | Helma Erickson | 35 | Wife | — | Norway |
| 5 | Irene Erickson | 10 | Daughter | — | New Jersey |
| 6 | Christian Erickson | 8 | Son | — | New Jersey |
| 7 | Sigurd Erickson | 5 | Son | — | New Jersey |
| 8 | Richard Hanson | 31 | Boarder | Electrician | Norway |
| 9 | Richard Andreas | 2 | Boarder | — | New Jersey |
| 10 | Bruce Jennings | 30 | Head | Mechanic | Florida |
| 11 | Mary Jennings THIS PERSON | 31 | Wife | — | Scotland |
| 12 | Jean Jennings | 6 | Daughter | — | Massachusetts |
| 13 | Ruth Jennings | 5 | Daughter | — | New Jersey |
| 14 | Joan Jennings | 2 | Daughter | — | New Jersey |
| 15 | Rose Bachman | 35 | Head | Finisher | New Jersey |
| 16 | Richard Bachman | 11 | Son | — | New Jersey |
| 17 | August Klein | 50 | Head | Laborer | New York |
| 18 | Emeline Klein | 49 | Wife | — | New York |
| 19 | William Klein | 17 | Son | — | New York |
| 20 | Henry Smith | 51 | Head | Trucker | England |
| 21 | Violet Smith | 53 | Wife | — | Scotland |
| 22 | Gertrude Smith | 30 | Daughter | Operator | Pennsylvania |
| 23 | William Smith | 23 | Son | Chauffeur | New Jersey |
| 24 | Florence Smith | 22 | Daughter | Clerk | New Jersey |
| 25 | Harry Smith | 20 | Son | Laborer | New Jersey |
| 26 | Gladys Smith | 15 | Daughter | — | New Jersey |
| 27 | Roger Gano | 53 | Head | Roller | New Jersey |
| 28 | Ida Gano | 53 | Wife | — | New Jersey |
| 29 | Andrew Brooks | 32 | Head | Plumber | New Jersey |
| 30 | Marie Brooks | 31 | Wife | — | Scotland |
| 31 | Helen Brooks | 11 | Daughter | — | New Jersey |
| 32 | Bertha Brooks | 8 | Daughter | — | New Jersey |
| 33 | John Alvany | 34 | Head | Machinist | Ireland |
| 34 | Sarah Alvany | 33 | Wife | — | New Jersey |
| 35 | Freda Alvany | 10 | Daughter | — | New Jersey |
| 36 | Maria Alvany | 8 | Son | — | New Jersey |
| 37 | Evelyn Alvany | 3 | Daughter | — | New Jersey |
| 38 | Bertha Pollack | 44 | Sister-in-law | — | Ireland |
| 39 | John Quester | 45 | Head | Driver | Wurttemberg |
| 40 | Mary Quester | 40 | Wife | — | Wurttemberg |
| 41 | Matilda Quester | 18 | Daughter | Typist | New Jersey |
| 42 | Elsie Quester | 15 | Daughter | — | New Jersey |
| 43 | Irma Quester | 13 | Daughter | — | New Jersey |
| 44 | Bernard St. Drute | 39 | Head | Clerk | Switzerland |
| 45 | Mary St. Drute | 21 | Wife | — | Switzerland |
| 46 | Bernard St. Drute | 1 | Son | — | New Jersey |
| 47 | George Doherty | 37 | Head | Machinist | Ireland |
| 48 | Nellie Doherty | 36 | Wife | — | Ireland |
| 49 | George Doherty | 7 | Son | — | New Jersey |
| 50 | Charlotte Doherty | 5 | Daughter | — | 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)