These are the ones visiting the Rowles familiy, presumably.
Despite the statement of birth 'Birmingham', I think only May was.
Jane Thomas Birth registered West Bromwich 1st quarter 1854 vol 6b page 577.
Kate Thomas Birth registered West Bromwich 1st quarter 1892 vol 6b page 887.
May Thomas Birth registered Birmingham 1st quarter 1897 vol 6d page 97.
Unless I have the wrong ones. I can't see them in other census records, 1901 1891 (Jane).