JF
Joseph Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Merrimack-County, New Hampshire
Our Model Tree links this Joseph Fitzgerald across the 1920, 1930 and 1940 US Censuses in Merrimack-County, New Hampshire (XGBoost, ~Confirmed), with identified parents John & Hannah — first a son (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Merrimack-County, New Hampshire |
| Surname | Fitzgerald |
| Given Name | Joseph P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Merrimack |
| Additional Details | |
| Occupation | Laundry Worker |
| Industry | Clothes Laundry |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1134 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Laundry Worker |
| Township / Ward | Concord |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Hannah Fitzgerald | Head | — | 69 | ~1871 |
| Ruth Fitzgerald | Daughter | — | 43 | ~1897 |
| Joseph Fitzgerald | Son | — | 41 | ~1899 |
Census Appearances
1920
Merrimack, New …
Son, age 20
Merrimack, New Hampshire · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Joseph P |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | laborer |
| Industry | lumber yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Merrimack, New …
Son, age 31
Merrimack, New Hampshire · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Joseph P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Laborer |
| Industry | Lumber Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Merrimack-County, New …
Son, age 41
Merrimack-County, New Hampshire · implied b. ~1899 — 3 household members
| Surname | Fitzgerald |
| Given Name | Joseph P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Merrimack |
| Occupation | Laundry Worker |
| Industry | Clothes Laundry |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1134 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Joseph Fitzgerald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Fitzgerald (~0.92 confidence) and mother Hannah Fitzgerald (~0.92 confidence) and mother Hannah Fitzgerald (~0.92 confidence) and mother Hannah Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Fitzgerald
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Hannah Fitzgerald
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Hannah Fitzgerald
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Hannah Fitzgerald
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Fitzgerald
Son · 1940 · age 41 · b. ~1899 · New Hampshire
★ You are viewing this record
Sibling
Ruth Fitzgerald
Sibling · 1940 · age 43
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 — Merrimack-County, New Hampshire
Open full size
1940 US Federal Census — Merrimack-County, New Hampshire
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-02294-00089)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albert Levesque | 35 | Head | Proprietor | New Hampshire |
| 42 | Lillian Levesque | 29 | Wife | — | New Hampshire |
| 43 | Judith A Levesque | 3 | Daughter | — | New Hampshire |
| 44 | Rodger Butterfield | 34 | Lodger | Civil Engineer | Washington |
| 45 | Mary Richetter | 23 | Head | — | Canada |
| 46 | Henry Duschene | 5 | Son | Laborer | New Hampshire |
| 47 | Henrick Bugbee | 40 | Head | Draftsman | New Hampshire |
| 48 | Agnes Bugbee | 43 | Wife | — | Canada |
| 49 | William Murdock | 45 | Head | Attendant | New Hampshire |
| 50 | Barbara Murdock | 16 | Daughter | — | New Hampshire |
| 51 | Elizabeth Silva | 49 | Head | Trained Nurse | New Hampshire |
| 52 | Susan Silva | 17 | Daughter | Seamstress | New Hampshire |
| 53 | Clara L Hall | 67 | Head | Seamstress | New Hampshire |
| 54 | Alfred Trenoweth | 70 | Head | — | England |
| 55 | Clara E Trenoweth | 63 | Wife | — | New Hampshire |
| 56 | Willoughby Colby | 44 | Head | Lawyer | New Hampshire |
| 57 | Helen Colby | 41 | Wife | — | Texas |
| 58 | Cynthia Colby | 14 | Daughter | — | New Hampshire |
| 59 | Anne H Colby | 5 | Daughter | — | New Hampshire |
| 60 | Charles R Ford | 50 | Head | Picture Framer | New Hampshire |
| 61 | Gertrude Ford | 51 | Wife | Part Owner | Vermont |
| 62 | Myrtle Carson | 22 | Maid | Servant | New Hampshire |
| 63 | Leroy English | 35 | Lodger | — | New Hampshire |
| 64 | Harold Silver | 49 | Head | Foreman | New Hampshire |
| 65 | Alice Silver | 49 | Wife | — | New Hampshire |
| 66 | Frank Silver | 16 | Son | — | New Hampshire |
| 67 | Alicia Silver | 14 | Daughter | — | New Hampshire |
| 68 | Virginia Silver | 12 | Daughter | — | New Hampshire |
| 69 | Raymond Lucier | 26 | Head | Truck Driver | New Hampshire |
| 70 | Elizabeth Lucier | 22 | Wife | Housekeeper | New Hampshire |
| 71 | Hannah Fitzgerald | 69 | Head | Laundry Worker | New Hampshire |
| 72 | Ruth Fitzgerald | 43 | Daughter | Supervisor | New Hampshire |
| 73 | Joseph P Fitzgerald THIS PERSON | 41 | Son | Laundry Worker | New Hampshire |
| 74 | Julia P Guyol | 67 | Head | — | New Hampshire |
| 75 | Philip N Guyol | 34 | Son | Art Appraiser | New Hampshire |
Pedigree Summary
Joseph + 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)