There are 6 births of M*cdonald children with mother's surname Stacey, all registered in Merthyr Tydfil, Glamorganshire, Wales: Samuel Charles, 1905; Christiana, 1906 (died 1906); Hilda May, 1907; Alice Maud, 1909 (died 1910); William Thomas, 1911 (died 1912), Violet, 1912 (died 1912); Stanley, 1915; Irene L, 1917; Christiana, 1918 ; Ivy, 1920 (died 1920); Elizabeth A, 1922; Cyril; J, 1924. There's also a Kenneth B D in Thanet, Kent, in 1923, who is probably not related.
In the 1911 census in Aberdare are John Charles, 30, born Penzance; Beatrice, 27, Born Liskeard, Cornwall; Samuel Charles, 6, and Hild May, 3, both born Aberdare. (Aberdare is in the Merthyr Tydfil registration district.)
In the index to the 1921 census in Aberdare are John, Beatrice, Samuel, Hilda, Stanley, Mene*, and Christina. (*Mene is probably a mistranscription of Irene.)
In 1939 John, Beatrice, Christina, Elizabeth and Cyril are in Pontypridd, Glamorgan.
Beatrice Maud M Stacey was born in St Germans in 1885. She died in East Glamorgan in 1972. The death index gives her DoB as 27 October 1886, but it's not unheard of for an informant to get a date of birth wrong on a death certificate.
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