MK
Mary Kirby — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Chittenden, Vermont
Our Model Tree links this Mary Kirby across the 1920, 1930 and 1940 US Censuses in Chittenden, Vermont (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 5-person household.
Age 28
b. ~1892
Female
Spouse
Born: Vermont
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Chittenden, Vermont |
| Surname | Kirby |
| Given Name | Mary B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | England |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Farmer |
| Township / Ward | Jericho Village Lines 13 |
| Est. Birth Year | ~1892 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Kirby | Head | — | 30 | ~1890 |
| Henry Kirby | Other | — | 63 | ~1857 |
| John Kirby | Son | — | 3 | ~1917 |
| James Kirby | Son | — | 2 | ~1918 |
| Mary Kirby | Spouse | — | 28 | ~1892 |
Census Appearances
1920
Chittenden, Vermont
Spouse, age 28
Chittenden, Vermont · implied b. ~1892 — 5 household members
| Surname | Kirby |
| Given Name | Mary B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | England |
| Mother's Birthplace | Vermont |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Chittenden, Vermont
Other, age 38
Chittenden, Vermont · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | Mae B |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | Vermont |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Chittenden-County, Vermont
Spouse, age 49
Chittenden-County, Vermont · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | Mae |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Underhill |
| 1935 Residence (County) | Chittenden |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Kirby across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kirby
Spouse · 1920 · age 28 · b. ~1892 · Vermont
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Chittenden, Vermont
Open full size
1920 US Federal Census — Chittenden, Vermont
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1872unit:0244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James | 4 | Son | None | Vermont |
| 2 | Arthur | 4 | Boarder | None | Vermont |
| 3 | Mary | 72 | Boarder | None | Ireland |
| 4 | William Bunn | 24 | Head | Farmer | Vermont |
| 5 | Lena Bunn | 21 | Wife | None | Vermont |
| 6 | Ronald W Bunn | 0 | Son | None | Vermont |
| 7 | Josephine Bunn | 22 | Sister | None | Vermont |
| 8 | Richard Fitzgerald | 49 | Head | Section Man | Canada |
| 9 | Michael Fitzgerald | 72 | Brother | Farmer | Ireland |
| 10 | Margaret Fitzgerald | 47 | Sister | None | Ireland |
| 11 | Kate Fitzgerald | 35 | Sister | Housekeeper | Ireland |
| 12 | Jessie Powers | 49 | Boarder | Domestic | Vermont |
| 13 | John B Kirby | 30 | Head | None | Vermont |
| 14 | Mary B Kirby THIS PERSON | 28 | Wife | Farmer | Vermont |
| 15 | John B Jr Kirby | 3 | Son | None | Vermont |
| 16 | James H Kirby | 2 | Son | None | Vermont |
| 17 | Henry Kirby | 63 | Father | Farmer | Vermont |
| 18 | Leonard Summers | 34 | Head | None | Vermont |
| 19 | Lina Summers | 21 | Wife | Millman | Vermont |
| 20 | Kenneth Summers | 6 | Son | None | Vermont |
| 21 | Nelson Summers | 2 | Son | None | Vermont |
| 22 | Charles Impey | 47 | Head | None | Vermont |
| 23 | Sarah Impey | 36 | Wife | Saleswoman | Vermont |
| 24 | Dina Impey | 13 | Daughter | Laundress | Vermont |
| 25 | Cecil Impey | 9 | Son | None | Vermont |
| 26 | Moses Gittell | 58 | Head | None | Vermont |
| 27 | Annie E Ryan | 37 | Head | Farmer | Vermont |
| 28 | Ona Ryan | 15 | Wife | Farmer | Vermont |
| 29 | Vincent Ryan | 5 | Son | None | Vermont |
| 30 | George Bredette | 75 | Head | None | Vermont |
| 31 | Ada Bredette | 48 | Wife | Farmer | Vermont |
| 32 | William Cron | 48 | Head | None | Vermont |
| 33 | Lillian Cron | 47 | Wife | Miller | Vermont |
| 34 | Charles E Ague | 40 | Head | Teacher | Vermont |
| 35 | Alice S Ague | 43 | Wife | Mail Carrier | Massachusetts |
| 36 | Alice E Ague | 21 | Daughter | None | Vermont |
| 37 | George E Ague | 28 | Son | Saleslady | Vermont |
| 38 | Mildred G Ague | 22 | Son | Mechanic | Vermont |
| 39 | Earl C Cron | 27 | Head | Salesman | Vermont |
| 40 | Mary Cron | 26 | Wife | Garage | Vermont |
| 41 | Charles Scribner | 49 | Head | None | Massachusetts |
| 42 | Ursula Scribner | 40 | Wife | Housekeeper | Vermont |
| 43 | Lena G Scribner | 20 | Daughter | None | New York |
| 44 | Clarence Holden | 17 | Head | Telephone | Vermont |
| 45 | Alice S Holden | 37 | Wife | Merchant | Vermont |
| 46 | Marjorie Holden | 29 | Daughter | Postmistress | Vermont |
| 47 | Dorothy Holden | 27 | Daughter | Assistant | Vermont |
| 48 | Wendell Holden | 24 | Son | None | Vermont |
| 49 | Elsie Holden | 14 | Daughter | Saleswoman | Vermont |
| 50 | Preston Scribner | 76 | Head | None | Vermont |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)