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Margaret Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Margaret Fitzgerald across the 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Jeremiah & Margaret — first a daughter (b.~1899), then head of a 9-person household.
Age 41
b. ~1899
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Fitzgerald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Mender |
| Industry | Worsted Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mender |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1899 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Irene Fitzgerald | Daughter | — | 25 | ~1915 |
| Beatrice Ellis | Daughter | — | 40 | ~1900 |
| Margaret Fitzgerald | Daughter | — | 41 | ~1899 |
| Mary Fitzgerald | Daughter | — | 43 | ~1897 |
| Margaret Fitzgerald | Head | — | 64 | ~1876 |
| Frederick Ellis | Other | — | 11 | ~1929 |
| Jeremiah Fitzgerald | Son | — | 23 | ~1917 |
| Robert Fitzgerald | Son | — | 30 | ~1910 |
| Bernard Fitzgerald | Son | — | 26 | ~1914 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 11
Essex, Massachusetts · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 21
Essex, Massachusetts · implied b. ~1899 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Occupation | Mender |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 31
Essex, Massachusetts · implied b. ~1899 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada French |
| Occupation | Mender |
| Industry | Worsted mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 41
Essex-County, Massachusetts · implied b. ~1899 — 9 household members
| Surname | Fitzgerald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | Mender |
| Industry | Worsted Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Fitzgerald across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeremiah Fitzgerald (~0.92 confidence) and mother Margaret Fitzgerald (~0.92 confidence) and mother Margaret Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Fitzgerald
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Margaret Fitzgerald
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Margaret Fitzgerald
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Fitzgerald
Daughter · 1940 · age 41 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
Jeremiah Fitzgerald
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Fitzgerald
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Fitzgerald
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fitzgerald
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fitzgerald
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Ellis
Sibling · 1940 · age 40
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
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01583-00876)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Moss | 15 | Son | — | Massachusetts |
| 2 | Ida Moss | 17 | Daughter | — | Massachusetts |
| 3 | Patricia Moss | 11 | Daughter | — | Massachusetts |
| 4 | Anthony Kouis | 51 | Head | — | Poland |
| 5 | Mary Kouis | 50 | Wife | — | Poland |
| 6 | Bronislaw Kouis | 25 | Son | Weaver | Massachusetts |
| 7 | Charles Kouis | 22 | Son | — | Massachusetts |
| 8 | Felix Kouis | 14 | Son | — | New York |
| 9 | Edward Kouis | 10 | Son | — | New York |
| 10 | Bertha A Malloy | 56 | Head | — | Massachusetts |
| 11 | James Sanguedola | 27 | Head | Chef | Massachusetts |
| 12 | Clara Sanguedola | 25 | Wife | — | Massachusetts |
| 13 | Carolyn Sanguedola | 4 | Daughter | — | Massachusetts |
| 14 | Lorenzo Torromeo | 47 | Father-in-law | Section Hand | Italy |
| 15 | Pasquale Torromeo | 61 | Uncle | — | Italy |
| 16 | John J Hayes | 68 | Head | — | Northern Ireland |
| 17 | Rebecca Hayes | 67 | Wife | — | Eire |
| 18 | Alvin Dumont | 38 | Lodger | Janitor | Massachusetts |
| 19 | William Wagner | 60 | Head | Watchman | Germany |
| 20 | Eva Wagner | 54 | Wife | — | Massachusetts |
| 21 | Leonard F Cox | 34 | Head | Laborer | Massachusetts |
| 22 | Ida Cox | 32 | Wife | — | Massachusetts |
| 23 | Leonard Jr Cox | 13 | Son | — | Massachusetts |
| 24 | Doris P Cox | 9 | Daughter | — | Massachusetts |
| 25 | Robert E Cox | 0 | Son | — | Massachusetts |
| 26 | Marion G Cox | 37 | Sister | — | Massachusetts |
| 27 | Margaret Fitzgerald | 64 | Head | — | Canada-English |
| 28 | Mary Fitzgerald | 43 | Daughter | Dressing Inr | Massachusetts |
| 29 | Margaret Fitzgerald THIS PERSON | 41 | Daughter | Mender | Massachusetts |
| 30 | Irene Fitzgerald | 25 | Daughter | — | Massachusetts |
| 31 | Robert Fitzgerald | 30 | Son | Manager | Massachusetts |
| 32 | Bernard Fitzgerald | 26 | Son | Clerk | Massachusetts |
| 33 | Jeremiah Fitzgerald | 23 | Son | Clerk | Massachusetts |
| 34 | Beatrice Ellis | 40 | Daughter | Burler | Massachusetts |
| 35 | Frederick Ellis | 11 | Grandson | — | Massachusetts |
| 36 | Gertrude Bradley | 23 | Head | — | Maine |
| 37 | Marion A Bradford | 63 | Head | Teacher | Massachusetts |
| 38 | Joseph H Parent | 54 | Head | Painter | Maine |
| 39 | Mary A Parent | 40 | Wife | — | Canada-French |
| 40 | Dora Moss | 37 | Lodger | Time-Keeper | Massachusetts |
Related Census Records
Search for Margaret Fitzgerald
All Margaret Fitzgerald Census Records Discover Fitzgerald Family TreePedigree Summary
Margaret + 6 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)