A fact from Lizzie Halliday appeared on Wikipedia's Main Page in the Did you know column on 31 October 2015 (check views). The text of the entry was as follows:
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"One of Paul Halliday's sons, Robert, claimed that Lizzie had confided him that she murdered a previous husband in Belfast" This claim shows up in a few refs, seems to come from newspaper accounts. An emigration age of 3 years old or 8 years old make this sound kind of dubious. It could be the date of immigration is wrong, none have a supporting ref. Fountains of Bryn Mawr (talk) 23:03, 22 September 2015 (UTC)[reply]
This seems to be Lizzie Brown Halliday's claim so I guess it doesn't fall under the ((Dubious)) tag, its her historical claim, not a shortcoming of reference. Leaving tag up in case other editors can shed light on it. Fountains of Bryn Mawr (talk) 20:31, 23 September 2015 (UTC)[reply]