MW
Mary Warren — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Merrimack-County, New Hampshire
Our Model Tree links this Mary Warren across the 1920, 1930 and 1940 US Censuses in Merrimack-County, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 2-person household.
Age 66
b. ~1874
Female
Head
Born: New Hampshire
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Merrimack-County, New Hampshire |
| Surname | Warren |
| Given Name | Mary Stella |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Pittsfield village |
| 1935 Residence (County) | Merrimack |
| Additional Details | |
| Highest Grade | C-1 |
| 1935 Residence | Same House |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Pittsfield Village |
| Est. Birth Year | ~1874 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Stella Warren | Daughter | — | 43 | ~1897 |
| Mary Warren | Head | — | 66 | ~1874 |
Census Appearances
1920
Merrimack, New …
Head, age 46
Merrimack, New Hampshire · implied b. ~1874 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | Mary Stella |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Dressmaker |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Merrimack, New …
Other, age 57
Merrimack, New Hampshire · implied b. ~1873 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | Mary S. |
| Relationship to Head | head-H |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Picking Room |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Merrimack-County, New …
Head, age 66
Merrimack-County, New Hampshire · implied b. ~1874 — 2 household members
| Surname | Warren |
| Given Name | Mary Stella |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Pittsfield village |
| 1935 Residence (County) | Merrimack |
| Highest Grade | C-1 |
| 1935 Residence | Same House |
| 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 Mary Warren across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Warren
Head · 1940 · age 66 · b. ~1874 · New Hampshire
★ 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 — Merrimack-County, New Hampshire
Open full size
1940 US Federal Census — Merrimack-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02294-00764)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret L. Hook | 51 | Head | — | Pittsfield |
| 42 | Mary G. R. Drake | 82 | Head | — | New Hampshire |
| 43 | Mabel Lombard | 68 | Maid | Cook Housekeeper | New Hampshire |
| 44 | Edward Finnegan | 52 | Chauffeur | Chauffeur | Massachusetts |
| 45 | Franklin P. Green | 80 | Head | — | New Hampshire |
| 46 | Francis J. Green | 80 | Wife | — | New Hampshire |
| 47 | Alcedia S. Hoyt | 41 | Head | Nurse | New Hampshire |
| 48 | Frank L. Parsley | 56 | Head | Asst Organizer | New Hampshire |
| 49 | George H. Colbath | 74 | Head | — | New Hampshire |
| 50 | Amanda M. Bunker | 91 | Head | — | New Hampshire |
| 51 | Annie M. Perkins | 71 | Housekeeper | Housekeeping | New Hampshire |
| 52 | Earl J. Hill | 44 | Head | Station Agent | New Hampshire |
| 53 | Una J. Hill | 47 | Wife | — | New Hampshire |
| 54 | Barbara F. Hill | 23 | Daughter | Shoe Stitching | New Hampshire |
| 55 | Robert E. Hill | 16 | Son | — | New Hampshire |
| 56 | Earnest C. Greene | 29 | Head | Office Clerk | New Hampshire |
| 57 | Elaine Greene | 29 | Wife | — | Massachusetts |
| 58 | Norma F. Greene | 5 | Daughter | — | New Hampshire |
| 59 | Richard S. Ricciardi | 34 | Head | Teacher | Italy |
| 60 | Gertrude Ricciardi | 27 | Wife | — | Massachusetts |
| 61 | William G. Chandler | 81 | Head | — | New Hampshire |
| 62 | Georgia M. Chandler | 73 | Wife | — | New Hampshire |
| 63 | Donald B. Farnham | 34 | Head | Superintendent | Maine |
| 64 | Marion E. Farnham | 31 | Wife | — | Massachusetts |
| 65 | Donald F. Farnham | 2 | Son | — | New Hampshire |
| 66 | Helene B. Lewis | 62 | Head | Librarian | New Hampshire |
| 67 | James W. Kenney | 77 | Head | Shoe Maker | New Hampshire |
| 68 | Mary E. Kenney | 73 | Wife | Housewife | New Hampshire |
| 69 | Mary Stella Warren THIS PERSON | 66 | Head | — | New Hampshire |
| 70 | Stella Ethel Warren | 43 | Daughter | Shoe Stamper | New Hampshire |
| 71 | Antonia Green | 75 | Head | Housework | Germany |
| 72 | Ruthena W. Brewster | 45 | Head | Spline Painter | Massachusetts |
| 73 | Ralph Brewster | 17 | Son | Odd Jobs | New Hampshire |
| 74 | Lizzie J. Foote | 78 | Head | — | New Hampshire |
| 75 | Linus G. Osgood | 87 | Head | Plumber | New Hampshire |
| 76 | Ruth M. Osgood | 78 | Wife | — | New Hampshire |
| 77 | Eva P. Osgood | 45 | Daughter | Stenographer | New Hampshire |
| 78 | Rachael E. Merrill | 60 | Housekeeper | Housekeeper | New Hampshire |
| 79 | Mayland P. Foss | 61 | Head | Jeweler | New Hampshire |
| 80 | Blanche J. Foss | 61 | Wife | Housework | New Hampshire |
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)