JF
James Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Fitzgerald across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & Margaret — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | usher |
| Industry | theatre |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 800 |
| Highest Grade | No H-4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Usher |
| Township / Ward | Boston |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Cecelia Fitzgerald | Head | — | 51 | ~1889 |
| Leo Fitzgerald | Son | — | 17 | ~1923 |
| James Fitzgerald | Son | — | 21 | ~1919 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 3 household members
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | usher |
| Industry | theatre |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 800 |
| Highest Grade | No H-4 |
| 1935 Residence | Same house |
| 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 James Fitzgerald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Cahill (~0.92 confidence) and mother Margaret Cahill (~0.92 confidence) and mother Cecelia Fitzgerald (~0.92 confidence) and mother Catherine Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Cahill
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Margaret Cahill
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Cecelia Fitzgerald
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Catherine Fitzgerald
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Fitzgerald
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Leo Fitzgerald
Sibling · 1940 · age 17
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01674-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie Gavina | 60 | wife | — | Massachusetts |
| 42 | Catherine Canavan | 52 | head | — | Massachusetts |
| 43 | Margaret H. Canavan | 44 | sister | Clerk (Office) | Massachusetts |
| 44 | George J. Welch | 59 | head | Automobile Painter | Massachusetts |
| 45 | Ella A. Welch | 58 | wife | — | Massachusetts |
| 46 | Lillian Welch | 19 | daughter | Salesgirl | Massachusetts |
| 47 | Cecelia A. Fitzgerald | 51 | head | Music Teacher | Massachusetts |
| 48 | James Fitzgerald THIS PERSON | 21 | son | Usher | Massachusetts |
| 49 | Leo Fitzgerald | 17 | son | Part Time Messenger | Massachusetts |
| 50 | Warren Whitehouse | 32 | head | Delivery Wagon | Massachusetts |
| 51 | Beatrice R. Whitehouse | 33 | wife | — | Massachusetts |
| 52 | Barbara Whitehouse | 12 | daughter | — | Massachusetts |
| 53 | Eleanor H. Whitehouse | 7 | daughter | — | Massachusetts |
| 54 | Caroline Whitehouse | 1 | daughter | — | Massachusetts |
| 55 | Rosario Lo Sciuto | 37 | head | Electric Welder | Massachusetts |
| 56 | Lillian Lo Sciuto | 39 | wife | — | Massachusetts |
| 57 | Mary Ann Lo Sciuto | 6 | daughter | — | Massachusetts |
| 58 | Charles Lo Sciuto | 1 | son | — | Massachusetts |
| 59 | Joseph Bardsley | 19 | in law | New Worker | Massachusetts |
| 60 | James Mcsheffrey | 64 | head | Oiler Power House | Northern Ireland |
| 61 | Mary M. Mcsheffrey | 30 | daughter | — | Massachusetts |
| 62 | Anne E. Mcsheffrey | 28 | daughter | Laboratory Technician | Massachusetts |
| 63 | Rose V. Mcsheffrey | 26 | daughter | Business Machine Operator | Massachusetts |
| 64 | James F. Mcsheffrey | 21 | son | Shipper | Massachusetts |
| 65 | Annie Mcsheffrey | 58 | sister | — | Northern Ireland |
| 66 | Harlan Gasser | 47 | head | Patrolman | Minnesota |
| 67 | Daisy Gasser | 46 | wife | — | Massachusetts |
| 68 | Bernard J. Chisholm | 42 | head | Route Salesman | Canada-Eng |
| 69 | Lydia Chisholm | 38 | wife | — | Massachusetts |
| 70 | John Burke | 47 | head | Fireman | Massachusetts |
| 71 | Anna R. Burke | 37 | wife | — | Massachusetts |
| 72 | William Burke | 16 | son | — | Massachusetts |
| 73 | Alice Burke | 12 | daughter | — | Massachusetts |
| 74 | James J. Habeted | 32 | head | Store Manager | Massachusetts |
| 75 | Louise Habeted | 37 | wife | — | Massachusetts |
| 76 | James Habeted | 2 | son | — | Massachusetts |
| 77 | James J. Flavin | 77 | father in law | — | Massachusetts |
| 78 | William J. Mcgrath | 36 | head | Draftsman | Massachusetts |
| 79 | Frederick Mcgrath | 36 | wife | — | Massachusetts |
| 80 | William Mcgrath | 14 | son | — | Massachusetts |
Pedigree Summary
James + 1 sibling
Gen 1 · 4 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)