MC
Margaret Casey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Margaret Casey across the 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 10-person household.
Age 21
b. ~1909
Female
Daughter
Born: Canada English
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Casey |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Canada English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 19 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Occupation | Mattress maker |
| Industry | Mattress factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
| Occupation | Mattress Maker |
| Township / Ward | Beverly City |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Grace Duerden | Spouse | — | 46 | ~1884 |
| Josephine Duerden | Daughter | — | 13 | ~1917 |
| Elizabeth Duerden | Daughter | — | 16 | ~1914 |
| Emma Duerden | Daughter | — | 10 | ~1920 |
| Stanley Duerden | Son | — | 14 | ~1916 |
| Charles Duerden | Head | — | 48 | ~1882 |
| Fred Duerden | Son | — | 20 | ~1910 |
| Margaret Casey | Daughter | — | 21 | ~1909 |
| Bayard Casey | Other | — | 1 | ~1929 |
| Bertha Duerden | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 21
Essex, Massachusetts · implied b. ~1909 — 10 household members
| Surname | Casey |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Canada English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 19 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | Mattress maker |
| Industry | Mattress factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
1940
Middlesex-County, Massachusetts
Spouse, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Canada English |
| 1935 Residence (City) | BELMONT |
| 1935 Residence (County) | MIDDLESEX |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
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 Margaret Casey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Casey
Daughter · 1930 · age 21 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Josephine Duerden
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Duerden
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Duerden
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Duerden
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Duerden
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Duerden
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel895:0342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lorraine Newman | 3 | Daughter | — | Massachusetts |
| 52 | Barbara Newman | 1 | Daughter | — | Massachusetts |
| 53 | Morris R. Norris | 22 | Son-in-law | — | Maine |
| 54 | Shirley Norris | 19 | Step-daughter | Nursing Work | Maine |
| 55 | Richard Norris | 15 | Step-son | — | Massachusetts |
| 56 | Genevieve Norris | 14 | Step-daughter | — | Massachusetts |
| 57 | Charles A. Duerden | 48 | Head | Drop Forger | Canada English |
| 58 | Grace Duerden | 46 | Wife | — | Canada English |
| 59 | Margaret Casey THIS PERSON | 21 | Daughter | Mattress Maker | Canada English |
| 60 | Bayard Casey | 1 | Grandson | — | Massachusetts |
| 61 | Fred Duerden | 20 | Son | Farmer & Laborer | Canada English |
| 62 | Elizabeth Duerden | 16 | Daughter | — | Massachusetts |
| 63 | Stanley Duerden | 14 | Son | — | Massachusetts |
| 64 | Josephine Duerden | 13 | Daughter | — | Massachusetts |
| 65 | Emma Duerden | 10 | Daughter | — | Massachusetts |
| 66 | Bertha Duerden | 8 | Daughter | — | Massachusetts |
| 67 | Alonzo B. Morse | 67 | Head | Florist | Massachusetts |
| 68 | Euhle P. Morse | 48 | Wife | — | Canada English |
| 69 | Roland H. Morse | 30 | Head | Florist | Massachusetts |
| 70 | Katherine Morse | 32 | Wife | — | Ireland Free State |
| 71 | Mabel Morse | 8 | Daughter | — | Massachusetts |
| 72 | Roland H. Morse | 5 | Son | — | Massachusetts |
| 73 | Everett Frost | 55 | Head | Meat Cutter | Massachusetts |
| 74 | Bessie Frost | 47 | Wife | — | Massachusetts |
| 75 | Ernest B. Frost | 26 | Son | Accountant | Massachusetts |
| 76 | Maude Frost | 24 | Daughter | Nurse P. | Massachusetts |
| 77 | Marguerite Frost | 24 | Daughter | Office Work | Massachusetts |
| 78 | Emily Frost | 19 | Son | Office Work | Massachusetts |
| 79 | Alexander Gordon | 62 | Head | Laundry | England |
| 80 | Frederick P. Flint | 51 | Head | Carpenter | Massachusetts |
| 81 | Minnie E. Flint | 45 | Wife | — | Canada English |
| 82 | Ernest G. Flint | 27 | Son | Bank Examiner | Massachusetts |
| 83 | Lucius F. Flint | 26 | Son | Attorney | Massachusetts |
| 84 | Olive A. Flint | 16 | Daughter | — | Massachusetts |
| 85 | Bryce Blakeley | 46 | Head | Chauffeur | Northern Ireland |
| 86 | Esther H. Blakeley | 44 | Wife | — | Northern Ireland |
| 87 | Bryce Blakeley | 4 | Son | — | Massachusetts |
| 88 | Roy P. Hatch | 48 | Head | Machinist | Massachusetts |
| 89 | Mary C. Hatch | 43 | Wife | Nurse R. | Massachusetts |
| 90 | Roy P. Hatch | 12 | Son | — | Massachusetts |
| 91 | Elliott F. Woodberry | 60 | Head | Gardner | Massachusetts |
| 92 | Grace M. Woodberry | 49 | Wife | — | Massachusetts |
| 93 | Preston E. Woodberry | 17 | Son | — | Massachusetts |
| 94 | Elizabeth A. Woodberry | 12 | Daughter | — | Massachusetts |
| 95 | Bessie W. Preston | 46 | Sister-in-law | Secretary | Massachusetts |
| 96 | Edward C. Woodbury | 49 | Head | Gardner | Massachusetts |
| 97 | Ellen E. Woodbury | 44 | Wife | — | Massachusetts |
| 98 | Loring C. Woodbury | 22 | Son | Gardner | Massachusetts |
| 99 | Hyday C. Woodbury | 20 | Son | Office | Massachusetts |
| 100 | George M. Browning | 53 | Head | Plumber | Massachusetts |
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)