MK
Mary Kirby — 1920 US Census Record
Model Tree available1920 United States Federal Census · Clear Creek, Colorado
Our Model Tree links this Mary Kirby across the 1910, 1920 and 1930 US Censuses in Clear Creek, Colorado (XGBoost, ~Confirmed), with identified parents Celestine & Eleanor — first a daughter (b.~1909), then head of a 5-person household.
Age 11
b. ~1909
Female
Daughter
Born: Colorado
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clear Creek, Colorado |
| Surname | Kirby |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Texas |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Georgetown Town |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Bryan Kirby | Son | — | 14 | ~1906 |
| Mary Kirby | Daughter | — | 11 | ~1909 |
| Harnie Kirby | Head | — | 49 | ~1871 |
| Marjorie Kirby | Daughter | — | 17 | ~1903 |
| Eleanor Kirby | Spouse | — | 50 | ~1870 |
Census Appearances
1910
Clear Creek, …
Daughter, age 1
Clear Creek, Colorado · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | Maxine M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Texas |
| Mother's Birthplace | Maryland |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Clear Creek, …
Daughter, age 11
Clear Creek, Colorado · implied b. ~1909 — 5 household members
| Surname | Kirby |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Texas |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Clear Creek, …
Daughter, age 21
Clear Creek, Colorado · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | Marilyn M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Texas |
| Mother's Birthplace | Maryland |
| Occupation | Stenographer |
| Industry | Clerical |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 (1910, 1920 and 1930) in Clear Creek, Colorado, using XGBoost record linkage. Identified parents: mother Celestine Kirby (~0.92 confidence) and mother Eleanor Kirby (~0.92 confidence) and father Harry Kirby (~0.92 confidence) and father Harnie Kirby (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Celestine Kirby
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Eleanor Kirby
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Harry Kirby
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Harnie Kirby
b. ~1871
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Kirby
Daughter · 1920 · age 11 · b. ~1909 · Colorado
★ You are viewing this record
Sibling
Marjorie Kirby
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bryan Kirby
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Clear Creek, Colorado
Open full size
1920 US Federal Census — Clear Creek, Colorado
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu157unit:0027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Lewis | 20 | Head | Truck Driver | Missouri |
| 2 | Ethel Lewis | 20 | Wife | — | Iowa |
| 3 | Joseph A. Bastian | 40 | Head | Clergyman | Canada |
| 4 | William S. Embree | 29 | Head | Bookkeeper | Arkansas |
| 5 | Constance Embree | 20 | Wife | — | Indiana |
| 6 | Ferdinand Eversoll | 31 | Head | Miner | Missouri |
| 7 | Harriet L. Eversoll | 24 | Wife | — | Missouri |
| 8 | Rodney Eversoll | 7 | Son | — | Missouri |
| 9 | Gale M. Eversoll | 5 | Daughter | — | Missouri |
| 10 | Dorothy A. Eversoll | 1 | Daughter | — | Colorado |
| 11 | Adeline Eversoll | 65 | Mother | — | Kentucky |
| 12 | Joseph Mcgraw | 34 | Head | Teamster | Colorado |
| 13 | Ella Mcgraw | 33 | Wife | — | Pennsylvania |
| 14 | Gustave Christ | 67 | Head | — | Hassenvia |
| 15 | Carl Christ | 40 | Son | Miner | Hassenvia |
| 16 | Louis B. Christ | 34 | Son | Miner | Colorado |
| 17 | Alma M. Christ | 23 | Daughter | Teacher | Colorado |
| 18 | Harnie B. Kirby | 49 | Head | Physician | Texas |
| 19 | Eleanor B. Kirby | 50 | Wife | — | Maryland |
| 20 | Marjorie Kirby | 17 | Daughter | — | Colorado |
| 21 | Bryan Kirby | 14 | Son | — | Colorado |
| 22 | Mary Jane Kirby THIS PERSON | 11 | Daughter | — | Colorado |
| 23 | Joseph Hamman | 46 | Head | Keeper | Colorado |
| 24 | Ida Hamman | 47 | Wife | Cook | Michigan |
| 25 | Charles O'Connor | 34 | Boarder | Miner | Ireland |
| 26 | Patrick Mcdonnell | 49 | Boarder | Miner | Canada |
| 27 | Walter L. Hall | 28 | Boarder | Miner | New Jersey |
| 28 | Cecilia Hall | 28 | Boarder | — | Nebraska |
| 29 | James C. Smith | 25 | Boarder | Miner | Montana |
| 30 | Joseph H. Evans | 52 | Boarder | Carpenter | Iowa |
| 31 | John A. Leeber | 45 | Boarder | Laborer | Arkansas |
| 32 | Edward Schank | 36 | Lodger | Miner | Colorado |
| 33 | Rossell Hanrahan | 49 | Head | Keeper | Georgia |
| 34 | Joseph Gannon | 51 | Boarder | Miner | Illinois |
| 35 | Helen Perry | 18 | Servant | Waitress | Nebraska |
| 36 | Patrick Hanrahan | 51 | Boarder | Miner | Illinois |
| 37 | William Updyke | 47 | Boarder | Miner | Ohio |
| 38 | Andy Erickson | 56 | Boarder | Miner | Sweden |
| 39 | George Pyle | 33 | Boarder | Miner | Indiana |
| 40 | Tony Malat | 36 | Boarder | Miner | Italy |
| 41 | Dee Malat | 37 | Boarder | Miner | Italy |
| 42 | Miles Bartholomew | 47 | Head | Laborer | Wisconsin |
| 43 | Mozelle Clark | 67 | Head | Manager | Michigan |
| 44 | Garfield Scherer | 40 | Head | Oil Man | Colorado |
| 45 | Annetta Scherer | 28 | Wife | — | Colorado |
| 46 | Annetta Scherer | 9 | Daughter | — | Colorado |
| 47 | Lois L. Scherer | 7 | Daughter | — | Colorado |
| 48 | Garfield Scherer | 5 | Son | — | Colorado |
| 49 | Elmer B. Scherer | 3 | Son | — | Colorado |
| 50 | Leona Scherer | 1 | Daughter | — | Colorado |
Pedigree Summary
Mary + 2 siblings
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 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)