MD
Mary Davidson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Fairfield, Connecticut
Our Model Tree links this Mary Davidson across the 1920, 1930 and 1940 US Censuses in Fairfield, Connecticut (XGBoost, ~Confirmed) — first a spouse (b.~1864), then head of a 5-person household.
Age 66
b. ~1864
Female
Spouse
Born: Scotland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Fairfield, Connecticut |
| Surname | Davidson |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Stamford City |
| Est. Birth Year | ~1864 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Davidson | Daughter | — | 36 | ~1894 |
| Dorothy Davidson | Daughter | — | 25 | ~1905 |
| Samuel Davidson | Head | — | 68 | ~1862 |
| Harold Davidson | Son | — | 34 | ~1896 |
| Mary Davidson | Spouse | — | 66 | ~1864 |
Census Appearances
1920
Fairfield, Connecticut
Spouse, age 53
Fairfield, Connecticut · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | scotland |
1930
Fairfield, Connecticut
Spouse, age 66
Fairfield, Connecticut · implied b. ~1864 — 5 household members
| Surname | Davidson |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
New-Haven-County, Connecticut
Other, age 77
New-Haven-County, Connecticut · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Margaret |
| Relationship to Head | Aunt |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Hamden |
| 1935 Residence (County) | New Haven |
| Naturalization Status | Naturalized |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Davidson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Davidson
Spouse · 1930 · age 66 · b. ~1864 · Connecticut
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Fairfield, Connecticut
Open full size
1930 US Federal Census — Fairfield, Connecticut
Page Contents
50 people indexed on this census page (ia:1930:15thcensus260unit:0065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James G. Mackay | 62 | Head | Manufacturer | England |
| 52 | Grace O. Mackay | 60 | Wife | — | Connecticut |
| 53 | Olive S. Mackay | 39 | Daughter | Stylist | Connecticut |
| 54 | Dennis Daley | 57 | Head | Loco. Engineer | Connecticut |
| 55 | Bertha Daley | 46 | Wife | Teacher | Connecticut |
| 56 | Letitia Haight | 62 | Head | — | New Jersey |
| 57 | Mary J. Haight | 93 | Mother | — | Scotland |
| 58 | John C. Mckernan | 48 | Boarder | Odd Jobber | New Jersey |
| 59 | Margaret Anderson | 28 | Roomer | Inspector | Connecticut |
| 60 | Alice E. Hobby | 59 | Boarder | — | New York |
| 61 | Herbert Powell | 53 | Boarder | Carpenter | New York |
| 62 | Herbert A. Winne | 55 | Roomer | Carpenter | New York |
| 63 | Raymond T. Winne | 12 | Roomer | — | New York |
| 64 | Paul Kidd | 49 | Roomer | Electrotyper | Ohio |
| 65 | Nora Carney | 26 | Roomer | Trained Nurse | Canada-English |
| 66 | Ivy L. Potts | 25 | Roomer | Trained Nurse | Canada-English |
| 67 | Effie L. Bossa | 56 | Head | — | Connecticut |
| 68 | Louis N. Bossa | 23 | Son | Asst Teller | Connecticut |
| 69 | William S. Paul | 66 | Boarder | Furniture Mkr. | Canada-English |
| 70 | Nellie E. Hexamer | 59 | Head | — | Connecticut |
| 71 | Adolph C. Hexamer | 63 | Husband | Vet Surgeon | New York |
| 72 | Adolf C. Hexamer | 25 | Son | Yard Foreman | Connecticut |
| 73 | Arthur R. Stark | 71 | Head | Plumber | Connecticut |
| 74 | Minnie C. Stark | 70 | Wife | — | Connecticut |
| 75 | Elizabeth Maguire | 70 | Head | — | Northern Ireland |
| 76 | Frederic Hunt | 57 | Head | Bookkeeper | England |
| 77 | Catherine Hunt | 55 | Wife | — | Northern Ireland |
| 78 | Frederic H. Hunt | 20 | Son | Stenographer | Connecticut |
| 79 | Arthur K. Deane | 35 | Roomer | Teacher | New York |
| 80 | Charles Pinkham | 22 | Roomer | Wireman | Maine |
| 81 | Max Berger | 22 | Head | Grinder | Germany |
| 82 | Margaret Berger | 20 | Wife | Bookkeeper | Connecticut |
| 83 | Mollie R. Wofsey | 68 | Head | — | Russia |
| 84 | Sarah E. Wofsey | 32 | Daughter | Forelady | Russia |
| 85 | Michael H. Wofsey | 26 | Son | Lawyer | Russia |
| 86 | Jacob Rabinowitz | 29 | Head | Pianist | Pennsylvania |
| 87 | Goldie Rabinowitz | 29 | Wife | Manager | Russia |
| 88 | David Waterbury | 47 | Head | Proprietor | Connecticut |
| 89 | Ida Z. Waterbury | 47 | Wife | — | New York |
| 90 | John L. Waterbury | 16 | Son | — | Connecticut |
| 91 | Mary Kieschwicz | 19 | Servant | Housework | Connecticut |
| 92 | Samuel M. Davidson | 68 | Head | Office Manager | England |
| 93 | Mary G. Davidson THIS PERSON | 66 | Wife | — | Scotland |
| 94 | Agnes M. Davidson | 36 | Daughter | — | New York |
| 95 | Harold R. Davidson | 34 | Son | Salesman | New York |
| 96 | Dorothy E. Davidson | 25 | Daughter | Office Clerk | New York |
| 97 | Max Gordon | 63 | Head | Merchant | Russia |
| 98 | Ethel M. Gordon | 36 | Daughter | — | Russia |
| 99 | Samuel Gordon | 34 | Son | Lawyer | Russia |
| 100 | Dora Gordon | 32 | Daughter | Saleslady | Russia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)