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Mary Madden — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Madden across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Dennis & Bridget — first a daughter (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Madden |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Paint Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 240 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Home |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Malden City |
| Est. Birth Year | ~1913 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Bridget Madden | Spouse | — | 50 | ~1890 |
| Mary Madden | Daughter | — | 27 | ~1913 |
| Dennis Madden | Head | — | 63 | ~1877 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 16
Middlesex, Massachusetts · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | Margaret D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 3 household members
| Surname | Madden |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Paint Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 240 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Home |
| 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 Mary Madden across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dennis Madden (~0.92 confidence) and mother Bridget Madden (~0.92 confidence) and mother Margaret Madden (~0.92 confidence) and father Thomas Madden (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Madden
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Bridget Madden
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Margaret Madden
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Thomas Madden
b. ~1894
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Madden
Daughter · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01608-00083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver G Marcoux | 39 | Head | Glazier | Massachusetts |
| 2 | Alva V Marcoux | 34 | Wife | — | Massachusetts |
| 3 | Fred Marcoux | 14 | Son | — | Massachusetts |
| 4 | Joyce Marcoux | 6 | Daughter | — | Massachusetts |
| 5 | John J Short | 54 | Head | — | Massachusetts |
| 6 | Louise Short | 23 | Wife | — | Massachusetts |
| 7 | John J Jr. Short | 1 | Son | — | Massachusetts |
| 8 | Alexander F Short | 56 | Lodger | Laborer | Massachusetts |
| 9 | Socrates Amiralian | 56 | Head | Proprietor | Turkey |
| 10 | Mary D Amiralian | 50 | Wife | — | Turkey |
| 11 | Parker Amiralian | 20 | Son | Clerk | Turkey |
| 12 | Vake Amiralian | 17 | Son | — | Massachusetts |
| 13 | Alice G Amiralian | 6 | Daughter | — | Massachusetts |
| 14 | Salvatore Raimondi | 25 | Head | Proprietor | Massachusetts |
| 15 | Marion Raimondi | 22 | Wife | — | Massachusetts |
| 16 | Frederick W Davenport | 66 | Head | Credit Investigator | Massachusetts |
| 17 | Ella M Davenport | 41 | Daughter | Investigator | Massachusetts |
| 18 | Mabelle G Pierce | 48 | Lodger | Supervisor | Massachusetts |
| 19 | Lester C Brown | 51 | Head | Mechanic | Rhode Island |
| 20 | Mary J Brown | 55 | Wife | — | Virginia |
| 21 | Amos H Bartlett | 53 | Sister-in-law | Feeder | New Hampshire |
| 22 | John F Lander | 55 | Head | Collector | Massachusetts |
| 23 | Mary G Lander | 55 | Wife | — | Massachusetts |
| 24 | (This Line | None | NOT | — | — |
| 25 | Dennis J Madden | 63 | Head | Laborer | Eire |
| 26 | Bridget F Madden | 50 | Wife | — | Eire |
| 27 | Mary M Madden THIS PERSON | 27 | Daughter | Clerk | Massachusetts |
| 28 | George Roberts | 41 | Head | Ice Maker | Eire |
| 29 | Julia H Roberts | 40 | Wife | — | Eire |
| 30 | George M Roberts | 12 | Son | — | Massachusetts |
| 31 | Joseph Roberts | 10 | Son | — | Massachusetts |
| 32 | Marilyn Roberts | 5 | Daughter | — | Massachusetts |
| 33 | John F Wilson | 71 | Head | — | Northern Ireland |
| 34 | Elizabeth J Wilson | 70 | Wife | — | Rhode Island |
| 35 | Albert J Wilson | 37 | Son | Clerk | Massachusetts |
| 36 | Grace M Wilson | 34 | Daughter | Stenographer | Massachusetts |
| 37 | Jasper R Dyreen | 21 | Head | Die Maker | Massachusetts |
| 38 | Catherine M Dyreen | 22 | Wife | Salesgirl | Massachusetts |
| 39 | Mary G Curley | 64 | Head | — | Eire |
| 40 | Isabelle Curley | 32 | Daughter | — | Massachusetts |
Pedigree Summary
Mary
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)