Olive 'Ollie' was adopted as an infant by George & Jennie (Curtis) Houson.

In the 1900 U. S. census, 5 mth. old (adopted daughter), Ollie Houson, b. Jan. 1900 in CA., was living in South Pasadena, Los Angeles, CA. with her
28 yr. old adoptive father, George Houson, a teamster, b. Jun. 1871 in Canada
42 yr. old adoptive mother, Jennie Houson, b. Feb. 1848 in IL.
and Jennie's four sons from a previous marriage:
17 yr. old Earl Hull, a day laborer, b. May 1883 in IL.
25 yr. old Charles O Hull, an electric motorman, b. May 1875 in IL.
14 yr. old Harry Hull, b. Jun. 1885 in MO.
9 yr. old John Hull, b. Dec. 1885 in CA.
George immigrated to the U. S. in 1894 and was still an alien.
George and Jennie had been marr. for 5 years.
Jennie was the mother of 9 children, only 5 still alive by this census.
George's parents were both b. in (Eng. spkg.) Canada
The birthplace of Ollie's parents is unknown.
Jennie's father was b. in OH. and her mother was b. in NY.

In the 1910 U. S. census, 10 yr. old Ollie Houson, b. in CA., was living at 1425 Lyndon St. in South Pasadena, Los Angeles, CA. with her
38 yr. old adoptive father, George Houson, a laborer doing general work, b. in Canada
64 yr. old adoptive mother, Annie (Jennie) Houson, b. in OH.
27 yr. old cousin, Charles L Rank, a machinist in a shop, b. in IL.
George immigrated to the U.S. in 1896 and was now a naturalized citizen.
George's parents were both b. in England.
George and Jennie had been married for 14 years. This was a first marriage for him and a second for her. Jennie was the mother of 8 children, only 5 still alive by this census.

In the 1920 U. S. census, 19 yr. old Olive Houser (Houson), b. in CA., was living in the rear house at 1425 Lyndon St. in South Pasadena, Los Angeles, CA. with her
46 yr. old adoptive father, George Houser (Houson), a So. Pas. policeman, b. in OH. (Canada)
75 yr. old adoptive mother, Jennie O Houser (Houson), b. in IL.
George's parents were both b. in Canada
Jennie's father was b. in IL. and her mother in NY.

In the 1930 U. S. census, 28 yr. old Olive J Houson, a bookkeeper for a transfer co., b. in CA., was living in a home in a home valued at $7,000 at 1425 Lyndon St. in South Pasadena, Los Angeles, CA. with her
58 yr. old widowed adoptive father, George Houson, a city policeman, b. in OH. (Canada)
There was a radio set in the home.
George's parents were both b. in England

According to California, County Birth, Marriage, and Death Records for 1849-1980,
Olive J Houson and Sidney R. Underhill were marr. on Sep. 8, 1931 in Los Angeles, CA.

Olive & Sidney Underhill's children were:
1. George Sidney Underhill, b. Feb. 20, 1934 in Los Angeles county, CA. George marr. Patricia Bliss.
2. June Ray Underhill, b. Jun. 17, 1937 in Los Angeles county, CA. June marr. Ernest L. Formanns.

In the 1940 U. S. census, 40 yr. old Olive Underhill, b. in CA., was living at 1425 Lyndon St. in (South) Pasadena, Los Angeles, CA. with her
29 yr. old husband, Sidney Underhill, the owner of a meat market, b. in WI.
6 yr. old son, George Underhill, b. in CA.
2 yr. old daughter, June Underhill, b. in CA.
67 yr. old widowed adoptive father, George Houson, a policeman for the City Police Dept., b. in OH. (Canada)
Everyone is the family except for 2 yr. old June, was living in the same place in 1935.
The highest grade George had completed was 8th; Sidney had finished 2 yrs. of high school and Olive was a high school graduate.
George worked 48 hours in the week prior to the census and 52 weeks in 1939. His income was listed as $1,600. He had no income from other sources.
Sidney worked 48 hours in the week prior to the census and 52 weeks in 1939. Because he was self-employed, his income was listed as 0, but he had income from other sources.