MC
Mary Casey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Casey across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 3-person household.
Age 71
b. ~1859
Female
Head
Born: New Jersey
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Casey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| Est. Birth Year | ~1859 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Virginia Casey | Daughter | — | 35 | ~1895 |
| Mary Casey | Head | — | 71 | ~1859 |
| Arthur Casey | Son | — | 33 | ~1897 |
Census Appearances
1900
Essex, New …
Spouse, age 40
Essex, New Jersey · implied b. ~1860 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Birth Month | May |
| Birth Year | 1860 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Essex, New …
Spouse, age 50
Essex, New Jersey · implied b. ~1860 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 23 |
| Children Born | 5 |
| Children Living | 5 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Essex, New …
Head, age 60
Essex, New Jersey · implied b. ~1860 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Head, age 71
Essex, New Jersey · implied b. ~1859 — 3 household members
| Surname | Casey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Veteran | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Other, age 81
Essex-County, New Jersey · implied b. ~1859 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Casey across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Casey
Head · 1930 · age 71 · b. ~1859 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1339:1048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marie Redeske | 45 | Daughter | — | New Jersey |
| 52 | Muriel Redeske | 3 | Daughter | — | New Jersey |
| 53 | Lorraine Redeske | 0 | Daughter | — | New Jersey |
| 54 | William Hammel | 43 | Head | Printer | New Jersey |
| 55 | Dora Hammel | 41 | Wife | — | New Jersey |
| 56 | William Jr. Hammel | 14 | Son | — | New Jersey |
| 57 | Emily Muller | 69 | Head | — | New York |
| 58 | Augustus Muller | 39 | Son | Salesman | New Jersey |
| 59 | Miriam Muller | 17 | Daughter-in-law | — | New Jersey |
| 60 | John Muller | 16 | Grandson | Apprentice | New Jersey |
| 61 | Dorcas Muller | 15 | Granddaughter | — | New Jersey |
| 62 | John Duryea | 37 | Head | Patrolman | New Jersey |
| 63 | Lillian Duryea | 32 | Wife | — | New Jersey |
| 64 | John Jr. Duryea | 14 | Son | — | New Jersey |
| 65 | Roy Duryea | 12 | Son | — | New Jersey |
| 66 | William Duryea | 11 | Son | — | New Jersey |
| 67 | William R. Duryea | 10 | Daughter | — | New Jersey |
| 68 | Violet Duryea | 9 | Daughter | — | New Jersey |
| 69 | Edna Duryea | 7 | Daughter | — | New Jersey |
| 70 | Walter Duryea | 3 | Son | — | New Jersey |
| 71 | Adolph Miller | 51 | Head | Tool-Maker | Germany |
| 72 | Martha Miller | 31 | Wife | — | Germany |
| 73 | Ruth Miller | 6 | Daughter | — | New Jersey |
| 74 | June Miller | 5 | Daughter | — | New Jersey |
| 75 | Mary Casey THIS PERSON | 71 | Head | — | New Jersey |
| 76 | Virginia Casey | 35 | Daughter | Bookkeeper | New Jersey |
| 77 | Arthur Casey | 33 | Son | Leather Worker | New Jersey |
| 78 | Norman L. Eck | 34 | Head | Industrial Agent | New York |
| 79 | Ruth A. Eck | 38 | Wife | — | New Jersey |
| 80 | Henry Letzgus | 27 | Head | Office Clerk | New Jersey |
| 81 | Evelyn Letzgus | 27 | Wife | — | New Jersey |
| 82 | Henry Jr. Letzgus | 1 | Son | — | New Jersey |
| 83 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 84 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 85 | Louis Rehak | 57 | Head | Laborer | Austria |
| 86 | Rose Rehak | 53 | Wife | — | Austria |
| 87 | Emerick Rehak | 30 | Son | Grinder | New York |
| 88 | Louis Jr. Rehak | 22 | Son | Switch-Man | New York |
| 89 | Elsie Rehak | 25 | Daughter | Bookkeeper | New York |
| 90 | Evelyn Rehak | 13 | Daughter | — | New York |
| 91 | August J. Billig | 38 | Head | Electric Light | New Jersey |
| 92 | Mildred A. Billig | 38 | Wife | — | New Jersey |
| 93 | Mary E. Billig | 6 | Daughter | — | New Jersey |
| 94 | George Hadowick | 32 | Head | News Reporter | New Jersey |
| 95 | Alice Hadowick | 26 | Wife | — | New Jersey |
| 96 | Harold Price | 47 | Head | Salesman | Wales |
| 97 | Florence Price | 44 | Wife | — | New York |
| 98 | Alfred S. Price | 21 | Son | Pattern Maker | New York |
| 99 | Harold Harding | 21 | Head | Salesman | Maine |
| 100 | Dorothy Harding | 21 | Wife | — | Maine |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)