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Catholic remembrance services for a death elsewhere?
First of all, Catholic funeral services are traditionally held on the day of death and/or on the day of the funeral of an individual. In addition to this, some Catholics have a Requiem Mass celebrated on the 30th day after their death or even then the 1st anniversary of their death, in order to facilitate the need for others to attend the original date of the funeral services, which were unattainable by some for whatever reason.
In the Tridentine Rite this was more predominant than in the New Rite, but nevertheless remain quite valid. It could be held anywhere and not only in the local of the person who died.
Just a reminder that eulogies not allowed at Catholic funerals. If any anniversaries are held in the Church some rules must be upheld.
The Vatican made that clear in 1989. In its Revised Order of Christian Funerals, it stated that "a brief homily based on the readings should always be given at the funeral liturgy, but never any kind of eulogy."
In 2000, Pope John Paul II restated the prohibition when he wrote βat the funeral mass there should, as a rule, be a short homily, but never a eulogy of any kind.β
The rationale is that eulogies are often considered the centrepiece of the service, and therefore detract from the mass and its central message, which is the Christian meaning of death. - [The rationale is that eulogies are often considered the centrepiece of the service, and therefore detract from the mass and its central message, which is the Christian meaning of death.-Eulogies not allowed at Catholic funerals
As for Requiem Masses via live feed or some other form of social media, you will have to talk to the pastor involved in these arrangements.