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Mary Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Haven-County, Connecticut
Our Model Tree links this Mary Marsh across the 1930 and 1940 US Censuses in New-Haven-County, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 3-person household.
Age 74
b. ~1866
Female
Head
Born: Vermont
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Haven-County, Connecticut |
| Surname | Marsh |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Vermont |
| 1935 Residence (City) | New Haven |
| 1935 Residence (County) | New Haven |
| Additional Details | |
| Industry | Yes |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | New Haven |
| Est. Birth Year | ~1866 |
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 |
|---|---|---|---|---|
| Mary Marsh | Head | — | 74 | ~1866 |
| Ward Marsh | Son | — | 46 | ~1894 |
| Frank Marsh | Son | — | 39 | ~1901 |
Census Appearances
1930
New Haven, …
Head, age 64
New Haven, Connecticut · implied b. ~1866
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Marsh |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Vermont |
| Age at First Marriage | 17 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
New-Haven-County, Connecticut
Head, age 74
New-Haven-County, Connecticut · implied b. ~1866 — 3 household members
| Surname | Marsh |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Vermont |
| 1935 Residence (City) | New Haven |
| 1935 Residence (County) | New Haven |
| Industry | Yes |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marsh
Head · 1940 · age 74 · b. ~1866 · Connecticut
★ 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 — New-Haven-County, Connecticut
Open full size
1940 US Federal Census — New-Haven-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00542-01149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles D. Lobdell | 32 | Head | Box Stripper | New York |
| 42 | Anna V. Lobdell | 32 | Wife | Wire Stitcher | Connecticut |
| 43 | George B. Walters | 24 | Head | Scrapman | Connecticut |
| 44 | Catherine A. Walters | 20 | Wife | — | Connecticut |
| 45 | Thomas F. Maher | 76 | Head | — | Connecticut |
| 46 | Anna Maher | 70 | Sister | — | Kentucky |
| 47 | Mary E. Brady | 77 | Sister | — | Connecticut |
| 48 | Margaret C. Fallon | 45 | Niece | — | Connecticut |
| 49 | Dennis J. Devine | 47 | Head | Carpenter | Eire |
| 50 | Margaret J. Devine | 45 | Wife | — | Eire |
| 51 | Joseph P. Devine | 21 | Son | Baggage Porter | Connecticut |
| 52 | John F. Devine | 15 | Son | — | Connecticut |
| 53 | Francis P. Mcgovern | 29 | Head | Machine Adjuster | Connecticut |
| 54 | Gertrude E. Mcgovern | 23 | Wife | — | Connecticut |
| 55 | Kenneth F. Mcgovern | 2 | Son | — | Connecticut |
| 56 | Valerie L. Mcgovern | 1 | Daughter | — | Connecticut |
| 57 | Delma A. Mcgovern | 0 | Daughter | — | Connecticut |
| 58 | John P. Leonard | 43 | Head | Truck Loader | Connecticut |
| 59 | Mabel A. Leonard | 33 | Wife | — | Connecticut |
| 60 | Regina M. Leonard | 11 | Daughter | — | Connecticut |
| 61 | Elizabeth A. Leonard | 9 | Daughter | — | Connecticut |
| 62 | John P. Jr. Leonard | 7 | Son | — | Connecticut |
| 63 | Anna E. Kretz | 70 | Mother-in-law | — | Connecticut |
| 64 | George C. Schlosser | 63 | Head | Barrel Driller | Germany |
| 65 | Gertrude Schlosser | 57 | Wife | — | England |
| 66 | Adelaide M. Schlosser | 21 | Daughter | Junior Clerk | Connecticut |
| 67 | Benjamin Shycon | 42 | Head | Grocery Clerk | Russia |
| 68 | Gussie Shycon | 32 | Wife | — | Russia |
| 69 | Marilyn Shycon | 12 | Daughter | — | Connecticut |
| 70 | Carol Shycon | 8 | Daughter | — | Connecticut |
| 71 | Mary A. Marsh THIS PERSON | 74 | Head | — | Vermont |
| 72 | Ward E. Marsh | 46 | Son | Roofer | Connecticut |
| 73 | Frank C. Marsh | 39 | Son | Watchman | Connecticut |
| 74 | Katherine A. Norris | 64 | Head | Nurse | Connecticut |
| 75 | Edward F. Radigan | 76 | Step-brother | — | Connecticut |
| 76 | Anna Giguere | 67 | Head | Sewing Machine Operator | New Jersey |
| 77 | Harry G. Career | 43 | Lodger | Drivers Helper | Connecticut |
| 78 | Russell L. Young | 22 | Head | Die Maker | Connecticut |
| 79 | Frances M. Young | 22 | Wife | — | Maine |
| 80 | Howard A. Young | 0 | Son | — | Connecticut |
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)