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Mary Bailey — 1930 US Census Record
Model Tree available1930 United States Federal Census · Denver, Colorado
Our Model Tree links this Mary Bailey across the 1910, 1920 and 1930 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents Herbert & Herbert — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Checking Clerk |
| Industry | Manufacturing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Checking Clerk |
| Township / Ward | Denver City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Bailey | Daughter | — | 16 | ~1914 |
| Mary Bailey | Daughter | — | 20 | ~1910 |
| Herbert Bailey | Head | — | 44 | ~1886 |
| Eva Bailey | Other | — | 47 | ~1883 |
| Lyman Gibbons | Other | — | 87 | ~1843 |
| Ruth Richardson | Other | — | 19 | ~1911 |
| Robert Bailey | Son | — | 16 | ~1914 |
Census Appearances
1910
Denver, Colorado
Daughter, age
Denver, Colorado · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Daughter, age 9
Denver, Colorado · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Daughter, age 20
Denver, Colorado · implied b. ~1910 — 7 household members
| Surname | Bailey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Iowa |
| Occupation | Checking Clerk |
| Industry | Manufacturing |
| 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 Bailey across 3 US Census years (1910, 1920 and 1930) in Denver, Colorado, using XGBoost record linkage. Identified parents: father Herbert Bailey (~0.92 confidence) and father Herbert Bailey (~0.92 confidence) and father Herbert Bailey (~0.92 confidence) and mother Lois Bailey (~0.92 confidence) and mother Eva Bailey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Bailey
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Herbert Bailey
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Herbert Bailey
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Lois Bailey
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Eva Bailey
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Bailey
Daughter · 1930 · age 20 · b. ~1910 · Colorado
★ You are viewing this record
Sibling
Elizabeth Bailey
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Bailey
Sibling · 1930 · age 16
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
1930 US Federal Census — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus234unit:0896)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | F. M. Vatter | 45 | Head | Retail Merchant | Illinois |
| 52 | West James E. Vatter | 69 | Father-in-law | Clerk | Nebraska |
| 53 | William H. Ralston | 36 | Head | Carpenter | Nebraska |
| 54 | Minnie J. Ralston | 30 | Wife-H | Sales Woman | Nebraska |
| 55 | Ruth E. Anson | 74 | Head-H | — | Ohio |
| 56 | Floyd Garrett | 47 | Head | Stationary Engineer | Iowa |
| 57 | Mae Garrett | 37 | Wife-H | — | Iowa |
| 58 | Richard Garrett | 13 | Son | — | Iowa |
| 59 | William Jones | 21 | Son-in-law | Salesman | Maryland |
| 60 | Maxine Jones | 19 | Daughter | — | Iowa |
| 61 | F. Logan Waggoner | 32 | Head | Electrician | Illinois |
| 62 | May Waggoner | 35 | Wife-H | — | Colorado |
| 63 | George Waggoner | 7 | Son | — | Colorado |
| 64 | Burt Waggoner | 4 | Son | — | Colorado |
| 65 | Shirley J. Waggoner | 2 | Daughter | — | Colorado |
| 66 | Agnes King | 68 | Mother-in-law | — | New York |
| 67 | Merritt Gorton | 67 | Head | Stationary Engineer | New York |
| 68 | Clara H. Gorton | 54 | Wife-H | — | Michigan |
| 69 | Ralph A. Gorton | 23 | Son | Mixer | Colorado |
| 70 | Clarence Simpson | 48 | Head | Laborer | Nebraska |
| 71 | Merle Simpson | 42 | Wife-H | — | Nebraska |
| 72 | Evelyn Simpson | 24 | Daughter | Machine Operator | Nebraska |
| 73 | Leonard Simpson | 21 | Son | Laborer | Wyoming |
| 74 | Araminta Ford | 77 | Mother-in-law | — | Indiana |
| 75 | Harold Dyer | 26 | Boarder | Boiler Maker Helper | Nebraska |
| 76 | James Fuller | 47 | Head | Butcher | Colorado |
| 77 | Madge Fuller | 53 | Wife-H | Machine Operator | Nebraska |
| 78 | Herbert G. Bailey | 44 | Head | Salesman | Michigan |
| 79 | Eva Bailey | 47 | Wife-H | — | Iowa |
| 80 | Mary Bailey THIS PERSON | 20 | Daughter | Checking Clerk | Colorado |
| 81 | Robert Bailey | 16 | Son | — | Colorado |
| 82 | Elizabeth Bailey | 16 | Daughter | — | Colorado |
| 83 | Ruth Richardson | 19 | Boarder | Salesgirl | Missouri |
| 84 | Lyman Gibbons | 87 | Boarder | — | Connecticut |
| 85 | Linda G. White | 71 | Head | Porter | Kentucky |
| 86 | Albert S. White | 24 | Son | Janitor | Colorado |
| 87 | Fred Sutter | 48 | Head | Salesman | Nebraska |
| 88 | Elsie Sutter | 39 | Wife-H | — | Nebraska |
| 89 | Kenneth Sutter | 2 | Son | — | Colorado |
| 90 | Walter Lee | 23 | Son-in-law | Truck Driver | Minnesota |
| 91 | Irene Lee | 21 | Daughter | — | Nebraska |
| 92 | Edward R. Gordon | 33 | Head-H | Waitress | Nebraska |
| 93 | Labra E. Gordon | 16 | Daughter | Waitress | Kansas |
| 94 | Vincent E. Gordon | 9 | Son | — | Kansas |
| 95 | James Taylor | 62 | Head | — | England |
| 96 | Emma J. Taylor | 59 | Wife-H | — | Iowa |
| 97 | James H. Taylor | 19 | Son | Office Clerk | Colorado |
| 98 | Lois G. Taylor | 21 | Daughter | Order Filler | Colorado |
| 99 | Jack Mitchell | 14 | Grand-son | — | Colorado |
| 100 | Floyd Brown | 31 | Head | Yardlight Conductor | Michigan |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)