Found 1900 census Marion Co.,IN
Charles Hang (Haug) 59 shoemaker born abt 1840 Ger imigrated 1871
Margaret 48 Ger born abt 1852 4ch 4living
Oscar C (Charles) 18 clerk IN
Arthur J 17 tailor and trimmer IN
Clara E 15 In
Helen C 7 IN
WW1 Registration
Oscar Charles Haug born 3 Aug 1881 Indpls,Marion Co.,IN
WWII Draft Reg 1942
Oscar C Haug 3 Aug 1881 INdpls, IN 109 Buckingham Dr.
60
Betty A Haug relative
employed M O'Connors and Co. 600 Kentucky Ave,Indpls,IN
Found a Clara Haug in Crown Hill Cemetery died 3/23/1961
Found in 1920 census Marion Co.,IN St Clair St
Margaret Haug owns 68 widow Germany
Clara 30 IN stenographer
Helen 24 IN stenographer
1930 census Marion Co,Indianapolis,IN Carroleton Ave
Margaret Haug 70 wd Ger
Clare 25 In clerk Insurance
Lawrence Krause 31 lodger salesman windows vet
Found in SS Index
Oscar C Haug died Feb 1960 Penellas,Florida
Hope this helps
Donnagene in CA