In the 1900 U.S. census, 8 yr. old C. (Cornelius) Prugh Harnish, b. Mar. 1892 in PA., was living in Butler Ward 1, Butler, PA. with his
43 yr. old father, Daniel N. Harnish, a Clergyman, b. Jun. 1856 in PA.
34 yr. old mother, Mary A. Harnish, b. Feb. 1866 in OH.
and 4 yr. old sister, Katharine W. Harnish, b. Apr. 1896 in PA.
Daniel and Mary had been married for 9 yrs. Mary was the mother of two children, both still alive by this census.
Daniel's parents were both b. in PA.
Mary's father was b. in OH. and and her mother in PA.

In the 1910 U.S. census, 18 yr. old C. (Cornelius) Prugh Harnish, b. in PA., was living in Butler Ward 1, Butler, PA. with his
53 yr. old father, Daniel N. Harnish, a Clergyman in the Reformed Church in the U.S., b. abt. 1857 in PA.
44 yr. old mother, Mary A. Harnish, b. in OH.
8 yr. old sister, Charlotte G. Harnish, b. in PA.
Both of Daniel's parents were b. in PA.
This was a first marriage for both Daniel and Mary. They had been married for 18 yrs. Mary was the mother of four children, only two of whom were still alive by this census.

By the 1930 U.S. census, 38 yr. old Cornelius P. Harnish, a civil engineer for the water company, b. abt. 1892 in PA., was married and was living at 300 Almansor Av. in Alhambra, L.A., CA. with his
35 yr. old wife, Ina Harnish, b. in Scotland
6 yr. old son, Donald P. Harnish, b. in CA.
3 yr. 11 mth. old son, Keith M. Harnish, b. in CA.
and 20 yr. old servant, Leola Levy (Leyva?), b. in CA.
Both of Cornelius' parents were b. in PA.
Cornelius was 29 yrs. old and Ina was 27 when they married.

In the 1900 U.S. census, 8 yr. old C. (Cornelius) Prugh Harnish, b. Mar. 1892 in PA., was living in Butler Ward 1, Butler, PA. with his
43 yr. old father, Daniel N. Harnish, a Clergyman, b. Jun. 1856 in PA.
34 yr. old mother, Mary A. Harnish, b. Feb. 1866 in OH.
and 4 yr. old sister, Katharine W. Harnish, b. Apr. 1896 in PA.
Daniel and Mary had been married for 9 yrs. Mary was the mother of two children, both still alive by this census.
Daniel's parents were both b. in PA.
Mary's father was b. in OH. and and her mother in PA.

In the 1910 U.S. census, 18 yr. old C. (Cornelius) Prugh Harnish, b. in PA., was living in Butler Ward 1, Butler, PA. with his
53 yr. old father, Daniel N. Harnish, a Clergyman in the Reformed Church in the U.S., b. abt. 1857 in PA.
44 yr. old mother, Mary A. Harnish, b. in OH.
8 yr. old sister, Charlotte G. Harnish, b. in PA.
Both of Daniel's parents were b. in PA.
This was a first marriage for both Daniel and Mary. They had been married for 18 yrs. Mary was the mother of four children, only two of whom were still alive by this census.

By the 1930 U.S. census, 38 yr. old Cornelius P. Harnish, a civil engineer for the water company, b. abt. 1892 in PA., was married and was living at 300 Almansor Av. in Alhambra, L.A., CA. with his
35 yr. old wife, Ina Harnish, b. in Scotland
6 yr. old son, Donald P. Harnish, b. in CA.
3 yr. 11 mth. old son, Keith M. Harnish, b. in CA.
and 20 yr. old servant, Leola Levy (Leyva?), b. in CA.
Both of Cornelius' parents were b. in PA.
Cornelius was 29 yrs. old and Ina was 27 when they married.