John and family migrated from Unionville, Centre County, Pennsylvania. Recorded in the 1900 census.

1910 Census, WA, Stevens Co., Colville City, ED 218, p. 166, dwelling 490 supplemental
Mumau, Rev J. K, head, 38, m1 19 yrs, b: PA/PA/PA, minister churches
" , Clara, wife, 38, m1, 19 yrs, 9 children, 9 living, b: PA/PA/PA
" , Nora, dau, 18, single, b: PA/PA/PA
" , Clide, son, 15, single, b: PA/PA/PA
" , Lynn, son, 14, single, b: PA/PA/PA
" , Hazel, dau, 13, single, b: PA/PA/PA
" , Arthur, son, 11, single, b: PA/PA/PA
" , Viola, dau, 9, single, b: PA/PA/PA
" , Forest, son, 7, single, b: PA/PA/PA
" , Harold, son, 5, single, b: PA/PA/PA
" , Gertrude, dau, 3, single, b: PA/PA/PA

While they lived in Colville in 1910, they soon moved south to the little town of Penawawa, WA which is in Whitman County on the Snake River. This was a major ferry point across the river and a direct route from Colfax to Walla Walla. Evidence that they lived here for a period of time is from the marriage certificates of his children, whom he married and listed the place of the marriage and his residence. [Note: Penawawa no lover exists because of the building of the Little Goose Dam in 1963. Some of this area became flooded and the cemetery was moved to Colville]

25 Dec 1916 - Viola Mumau ( of Penawawa, Whitman Co., WA) married Guy Jones (of Pomeroy, Garfield Co., WA) in Penawawa, WA. The witnesses were Mr. J. F. Carter & Mrs. J.F. Carter of Pomeroy (Mrs. Carter was Viola's sister, Hazel Mumau)

1920 Census, WA, Stevens Co., Daisy Precinct, ED 286, dwelling 72,
Mumau, John K, head, rents, 48, b: PA/PA/PA
" , Clara L., wife, 48, b: PA/PA/PA
" , Harold E., son, 15, single, b: PA/PA/PA

24 Sept 1920 - Arthur Mumau, (of Whitman county) and Hazel Nelson (of Whitman County) married in Penawawa, WA. John Mumau, minister is from Daisy, WA.

1930 Census, WA, Stevens Co., Colville Precinct 3, dwelling 61, miner street road
Mumau, John K., head, owns, 58, 1st m: @ age 21, b: PA/PA/PA, Minister F.M. Church
" , Clara L., wife, 58, 1st m: @ age 20, b: PA/PA/PA
" , Lynn H., son, 34, widowed, 1st m: @ age 28, b: PA/PA/PA
" , Maleta L, grand dau, 6, b: PA/PA/PA
" , Delma A., grand dau, 4 2/12, b: PA/PA/PA

1940: Census, Tekoa, Whitman, Washington
Residence in 1935: Colville, Stevens, Washington
John K Mumaw 68
Clara L Mumaw 68

22 May 1942 - Helen Virginia Muma (of Whitman Co., WA) to J. Calvin Rhodes (Whitman County, WA) by J.K. Mumau of Tekoa, WA [Helen is from the MUMA family]

23 Jan 1945 - Mary Ann Mumau (of Chewelah, WA) to Orville Bartlett (of Opportunity, WA) by J.K. Mumau of Tekoa, WA [Mary Ann is his grand daughter and the daughter of Clyde]